diff --git a/packages/babel-helpers/src/helpers-generated.ts b/packages/babel-helpers/src/helpers-generated.ts
index 2e7b65512ceb..315f79c0a61b 100644
--- a/packages/babel-helpers/src/helpers-generated.ts
+++ b/packages/babel-helpers/src/helpers-generated.ts
@@ -37,9 +37,9 @@ export default Object.freeze({
     "7.21.0",
     'import checkInRHS from"checkInRHS";function applyDecs2301Factory(){function createAddInitializerMethod(initializers,decoratorFinishedRef){return function(initializer){!function(decoratorFinishedRef,fnName){if(decoratorFinishedRef.v)throw new Error("attempted to call "+fnName+" after decoration was finished")}(decoratorFinishedRef,"addInitializer"),assertCallable(initializer,"An initializer"),initializers.push(initializer)}}function assertInstanceIfPrivate(has,target){if(!has(target))throw new TypeError("Attempted to access private element on non-instance")}function memberDec(dec,name,desc,initializers,kind,isStatic,isPrivate,value,hasPrivateBrand){var kindStr;switch(kind){case 1:kindStr="accessor";break;case 2:kindStr="method";break;case 3:kindStr="getter";break;case 4:kindStr="setter";break;default:kindStr="field"}var get,set,ctx={kind:kindStr,name:isPrivate?"#"+name:name,static:isStatic,private:isPrivate},decoratorFinishedRef={v:!1};if(0!==kind&&(ctx.addInitializer=createAddInitializerMethod(initializers,decoratorFinishedRef)),isPrivate||0!==kind&&2!==kind)if(2===kind)get=function(target){return assertInstanceIfPrivate(hasPrivateBrand,target),desc.value};else{var t=0===kind||1===kind;(t||3===kind)&&(get=isPrivate?function(target){return assertInstanceIfPrivate(hasPrivateBrand,target),desc.get.call(target)}:function(target){return desc.get.call(target)}),(t||4===kind)&&(set=isPrivate?function(target,value){assertInstanceIfPrivate(hasPrivateBrand,target),desc.set.call(target,value)}:function(target,value){desc.set.call(target,value)})}else get=function(target){return target[name]},0===kind&&(set=function(target,v){target[name]=v});var has=isPrivate?hasPrivateBrand.bind():function(target){return name in target};ctx.access=get&&set?{get:get,set:set,has:has}:get?{get:get,has:has}:{set:set,has:has};try{return dec(value,ctx)}finally{decoratorFinishedRef.v=!0}}function assertCallable(fn,hint){if("function"!=typeof fn)throw new TypeError(hint+" must be a function")}function assertValidReturnValue(kind,value){var type=typeof value;if(1===kind){if("object"!==type||null===value)throw new TypeError("accessor decorators must return an object with get, set, or init properties or void 0");void 0!==value.get&&assertCallable(value.get,"accessor.get"),void 0!==value.set&&assertCallable(value.set,"accessor.set"),void 0!==value.init&&assertCallable(value.init,"accessor.init")}else if("function"!==type){var hint;throw hint=0===kind?"field":10===kind?"class":"method",new TypeError(hint+" decorators must return a function or void 0")}}function curryThis2(fn){return function(value){fn(this,value)}}function applyMemberDec(ret,base,decInfo,name,kind,isStatic,isPrivate,initializers,hasPrivateBrand){var desc,init,value,fn,newValue,get,set,decs=decInfo[0];if(isPrivate?desc=0===kind||1===kind?{get:(fn=decInfo[3],function(){return fn(this)}),set:curryThis2(decInfo[4])}:3===kind?{get:decInfo[3]}:4===kind?{set:decInfo[3]}:{value:decInfo[3]}:0!==kind&&(desc=Object.getOwnPropertyDescriptor(base,name)),1===kind?value={get:desc.get,set:desc.set}:2===kind?value=desc.value:3===kind?value=desc.get:4===kind&&(value=desc.set),"function"==typeof decs)void 0!==(newValue=memberDec(decs,name,desc,initializers,kind,isStatic,isPrivate,value,hasPrivateBrand))&&(assertValidReturnValue(kind,newValue),0===kind?init=newValue:1===kind?(init=newValue.init,get=newValue.get||value.get,set=newValue.set||value.set,value={get:get,set:set}):value=newValue);else for(var i=decs.length-1;i>=0;i--){var newInit;if(void 0!==(newValue=memberDec(decs[i],name,desc,initializers,kind,isStatic,isPrivate,value,hasPrivateBrand)))assertValidReturnValue(kind,newValue),0===kind?newInit=newValue:1===kind?(newInit=newValue.init,get=newValue.get||value.get,set=newValue.set||value.set,value={get:get,set:set}):value=newValue,void 0!==newInit&&(void 0===init?init=newInit:"function"==typeof init?init=[init,newInit]:init.push(newInit))}if(0===kind||1===kind){if(void 0===init)init=function(instance,init){return init};else if("function"!=typeof init){var ownInitializers=init;init=function(instance,init){for(var value=init,i=0;i<ownInitializers.length;i++)value=ownInitializers[i].call(instance,value);return value}}else{var originalInitializer=init;init=function(instance,init){return originalInitializer.call(instance,init)}}ret.push(init)}0!==kind&&(1===kind?(desc.get=value.get,desc.set=value.set):2===kind?desc.value=value:3===kind?desc.get=value:4===kind&&(desc.set=value),isPrivate?1===kind?(ret.push((function(instance,args){return value.get.call(instance,args)})),ret.push((function(instance,args){return value.set.call(instance,args)}))):2===kind?ret.push(value):ret.push((function(instance,args){return value.call(instance,args)})):Object.defineProperty(base,name,desc))}function applyMemberDecs(Class,decInfos,instanceBrand){for(var protoInitializers,staticInitializers,staticBrand,ret=[],existingProtoNonFields=new Map,existingStaticNonFields=new Map,i=0;i<decInfos.length;i++){var decInfo=decInfos[i];if(Array.isArray(decInfo)){var base,initializers,kind=decInfo[1],name=decInfo[2],isPrivate=decInfo.length>3,isStatic=kind>=5,hasPrivateBrand=instanceBrand;if(isStatic?(base=Class,0!==(kind-=5)&&(initializers=staticInitializers=staticInitializers||[]),isPrivate&&!staticBrand&&(staticBrand=function(_){return checkInRHS(_)===Class}),hasPrivateBrand=staticBrand):(base=Class.prototype,0!==kind&&(initializers=protoInitializers=protoInitializers||[])),0!==kind&&!isPrivate){var existingNonFields=isStatic?existingStaticNonFields:existingProtoNonFields,existingKind=existingNonFields.get(name)||0;if(!0===existingKind||3===existingKind&&4!==kind||4===existingKind&&3!==kind)throw new Error("Attempted to decorate a public method/accessor that has the same name as a previously decorated public method/accessor. This is not currently supported by the decorators plugin. Property name was: "+name);!existingKind&&kind>2?existingNonFields.set(name,kind):existingNonFields.set(name,!0)}applyMemberDec(ret,base,decInfo,name,kind,isStatic,isPrivate,initializers,hasPrivateBrand)}}return pushInitializers(ret,protoInitializers),pushInitializers(ret,staticInitializers),ret}function pushInitializers(ret,initializers){initializers&&ret.push((function(instance){for(var i=0;i<initializers.length;i++)initializers[i].call(instance);return instance}))}return function(targetClass,memberDecs,classDecs,instanceBrand){return{e:applyMemberDecs(targetClass,memberDecs,instanceBrand),get c(){return function(targetClass,classDecs){if(classDecs.length>0){for(var initializers=[],newClass=targetClass,name=targetClass.name,i=classDecs.length-1;i>=0;i--){var decoratorFinishedRef={v:!1};try{var nextNewClass=classDecs[i](newClass,{kind:"class",name:name,addInitializer:createAddInitializerMethod(initializers,decoratorFinishedRef)})}finally{decoratorFinishedRef.v=!0}void 0!==nextNewClass&&(assertValidReturnValue(10,nextNewClass),newClass=nextNewClass)}return[newClass,function(){for(var i=0;i<initializers.length;i++)initializers[i].call(newClass)}]}}(targetClass,classDecs)}}}}export default function applyDecs2301(targetClass,memberDecs,classDecs,instanceBrand){return(applyDecs2301=applyDecs2301Factory())(targetClass,memberDecs,classDecs,instanceBrand)}',
   ),
-  applyDecs2303: helper(
+  applyDecs2305: helper(
     "7.21.0",
-    'import checkInRHS from"checkInRHS";function createAddInitializerMethod(initializers,decoratorFinishedRef){return function(initializer){assertNotFinished(decoratorFinishedRef,"addInitializer"),assertCallable(initializer,"An initializer"),initializers.push(initializer)}}function assertInstanceIfPrivate(has,target){if(!has(target))throw new TypeError("Attempted to access private element on non-instance")}function memberDec(dec,thisArg,name,desc,initializers,kind,isStatic,isPrivate,value,hasPrivateBrand){var kindStr;switch(kind){case 1:kindStr="accessor";break;case 2:kindStr="method";break;case 3:kindStr="getter";break;case 4:kindStr="setter";break;default:kindStr="field"}var get,set,ctx={kind:kindStr,name:isPrivate?"#"+name:name,static:isStatic,private:isPrivate},decoratorFinishedRef={v:!1};if(0!==kind&&(ctx.addInitializer=createAddInitializerMethod(initializers,decoratorFinishedRef)),isPrivate||0!==kind&&2!==kind)if(2===kind)get=function(target){return assertInstanceIfPrivate(hasPrivateBrand,target),desc.value};else{var t=0===kind||1===kind;(t||3===kind)&&(get=isPrivate?function(target){return assertInstanceIfPrivate(hasPrivateBrand,target),desc.get.call(target)}:function(target){return desc.get.call(target)}),(t||4===kind)&&(set=isPrivate?function(target,value){assertInstanceIfPrivate(hasPrivateBrand,target),desc.set.call(target,value)}:function(target,value){desc.set.call(target,value)})}else get=function(target){return target[name]},0===kind&&(set=function(target,v){target[name]=v});var has=isPrivate?hasPrivateBrand.bind():function(target){return name in target};ctx.access=get&&set?{get:get,set:set,has:has}:get?{get:get,has:has}:{set:set,has:has};try{return dec.call(thisArg,value,ctx)}finally{decoratorFinishedRef.v=!0}}function assertNotFinished(decoratorFinishedRef,fnName){if(decoratorFinishedRef.v)throw new Error("attempted to call "+fnName+" after decoration was finished")}function assertCallable(fn,hint){if("function"!=typeof fn)throw new TypeError(hint+" must be a function")}function assertValidReturnValue(kind,value){var type=typeof value;if(1===kind){if("object"!==type||null===value)throw new TypeError("accessor decorators must return an object with get, set, or init properties or void 0");void 0!==value.get&&assertCallable(value.get,"accessor.get"),void 0!==value.set&&assertCallable(value.set,"accessor.set"),void 0!==value.init&&assertCallable(value.init,"accessor.init")}else if("function"!==type){var hint;throw hint=0===kind?"field":5===kind?"class":"method",new TypeError(hint+" decorators must return a function or void 0")}}function curryThis1(fn){return function(){return fn(this)}}function curryThis2(fn){return function(value){fn(this,value)}}function applyMemberDec(ret,base,decInfo,decoratorsHaveThis,name,kind,isStatic,isPrivate,initializers,hasPrivateBrand){var desc,init,value,newValue,get,set,decs=decInfo[0];decoratorsHaveThis||Array.isArray(decs)||(decs=[decs]),isPrivate?desc=0===kind||1===kind?{get:curryThis1(decInfo[3]),set:curryThis2(decInfo[4])}:3===kind?{get:decInfo[3]}:4===kind?{set:decInfo[3]}:{value:decInfo[3]}:0!==kind&&(desc=Object.getOwnPropertyDescriptor(base,name)),1===kind?value={get:desc.get,set:desc.set}:2===kind?value=desc.value:3===kind?value=desc.get:4===kind&&(value=desc.set);for(var inc=decoratorsHaveThis?2:1,i=decs.length-1;i>=0;i-=inc){var newInit;if(void 0!==(newValue=memberDec(decs[i],decoratorsHaveThis?decs[i-1]:void 0,name,desc,initializers,kind,isStatic,isPrivate,value,hasPrivateBrand)))assertValidReturnValue(kind,newValue),0===kind?newInit=newValue:1===kind?(newInit=newValue.init,get=newValue.get||value.get,set=newValue.set||value.set,value={get:get,set:set}):value=newValue,void 0!==newInit&&(void 0===init?init=newInit:"function"==typeof init?init=[init,newInit]:init.push(newInit))}if(0===kind||1===kind){if(void 0===init)init=function(instance,init){return init};else if("function"!=typeof init){var ownInitializers=init;init=function(instance,init){for(var value=init,i=0;i<ownInitializers.length;i++)value=ownInitializers[i].call(instance,value);return value}}else{var originalInitializer=init;init=function(instance,init){return originalInitializer.call(instance,init)}}ret.push(init)}0!==kind&&(1===kind?(desc.get=value.get,desc.set=value.set):2===kind?desc.value=value:3===kind?desc.get=value:4===kind&&(desc.set=value),isPrivate?1===kind?(ret.push((function(instance,args){return value.get.call(instance,args)})),ret.push((function(instance,args){return value.set.call(instance,args)}))):2===kind?ret.push(value):ret.push((function(instance,args){return value.call(instance,args)})):Object.defineProperty(base,name,desc))}function applyMemberDecs(Class,decInfos,instanceBrand){for(var protoInitializers,staticInitializers,staticBrand,ret=[],existingProtoNonFields=new Map,existingStaticNonFields=new Map,i=0;i<decInfos.length;i++){var decInfo=decInfos[i];if(Array.isArray(decInfo)){var base,initializers,kind=decInfo[1],name=decInfo[2],isPrivate=decInfo.length>3,decoratorsHaveThis=16&kind,isStatic=!!(8&kind),hasPrivateBrand=instanceBrand;if(kind&=7,isStatic?(base=Class,0!==kind&&(initializers=staticInitializers=staticInitializers||[]),isPrivate&&!staticBrand&&(staticBrand=function(_){return checkInRHS(_)===Class}),hasPrivateBrand=staticBrand):(base=Class.prototype,0!==kind&&(initializers=protoInitializers=protoInitializers||[])),0!==kind&&!isPrivate){var existingNonFields=isStatic?existingStaticNonFields:existingProtoNonFields,existingKind=existingNonFields.get(name)||0;if(!0===existingKind||3===existingKind&&4!==kind||4===existingKind&&3!==kind)throw new Error("Attempted to decorate a public method/accessor that has the same name as a previously decorated public method/accessor. This is not currently supported by the decorators plugin. Property name was: "+name);existingNonFields.set(name,!(!existingKind&&kind>2)||kind)}applyMemberDec(ret,base,decInfo,decoratorsHaveThis,name,kind,isStatic,isPrivate,initializers,hasPrivateBrand)}}return pushInitializers(ret,protoInitializers),pushInitializers(ret,staticInitializers),ret}function pushInitializers(ret,initializers){initializers&&ret.push((function(instance){for(var i=0;i<initializers.length;i++)initializers[i].call(instance);return instance}))}function applyClassDecs(targetClass,classDecs,decoratorsHaveThis){if(classDecs.length){for(var initializers=[],newClass=targetClass,name=targetClass.name,inc=decoratorsHaveThis?2:1,i=classDecs.length-1;i>=0;i-=inc){var decoratorFinishedRef={v:!1};try{var nextNewClass=classDecs[i].call(decoratorsHaveThis?classDecs[i-1]:void 0,newClass,{kind:"class",name:name,addInitializer:createAddInitializerMethod(initializers,decoratorFinishedRef)})}finally{decoratorFinishedRef.v=!0}void 0!==nextNewClass&&(assertValidReturnValue(5,nextNewClass),newClass=nextNewClass)}return[newClass,function(){for(var i=0;i<initializers.length;i++)initializers[i].call(newClass)}]}}export default function applyDecs2303(targetClass,memberDecs,classDecs,classDecsHaveThis,instanceBrand){return{e:applyMemberDecs(targetClass,memberDecs,instanceBrand),get c(){return applyClassDecs(targetClass,classDecs,classDecsHaveThis)}}}',
+    'import checkInRHS from"checkInRHS";function createAddInitializerMethod(initializers,decoratorFinishedRef){return function(initializer){assertNotFinished(decoratorFinishedRef,"addInitializer"),assertCallable(initializer,"An initializer"),initializers.push(initializer)}}function assertInstanceIfPrivate(has,target){if(!has(target))throw new TypeError("Attempted to access private element on non-instance")}function memberDec(dec,thisArg,name,desc,initializers,kind,isStatic,isPrivate,value,hasPrivateBrand){var kindStr;switch(kind){case 1:kindStr="accessor";break;case 2:kindStr="method";break;case 3:kindStr="getter";break;case 4:kindStr="setter";break;default:kindStr="field"}var get,set,ctx={kind:kindStr,name:isPrivate?"#"+name:name,static:isStatic,private:isPrivate},decoratorFinishedRef={v:!1};if(0!==kind&&(ctx.addInitializer=createAddInitializerMethod(initializers,decoratorFinishedRef)),isPrivate||0!==kind&&2!==kind)if(2===kind)get=function(target){return assertInstanceIfPrivate(hasPrivateBrand,target),desc.value};else{var t=0===kind||1===kind;(t||3===kind)&&(get=isPrivate?function(target){return assertInstanceIfPrivate(hasPrivateBrand,target),desc.get.call(target)}:function(target){return desc.get.call(target)}),(t||4===kind)&&(set=isPrivate?function(target,value){assertInstanceIfPrivate(hasPrivateBrand,target),desc.set.call(target,value)}:function(target,value){desc.set.call(target,value)})}else get=function(target){return target[name]},0===kind&&(set=function(target,v){target[name]=v});var has=isPrivate?hasPrivateBrand.bind():function(target){return name in target};ctx.access=get&&set?{get:get,set:set,has:has}:get?{get:get,has:has}:{set:set,has:has};try{return dec.call(thisArg,value,ctx)}finally{decoratorFinishedRef.v=!0}}function assertNotFinished(decoratorFinishedRef,fnName){if(decoratorFinishedRef.v)throw new Error("attempted to call "+fnName+" after decoration was finished")}function assertCallable(fn,hint){if("function"!=typeof fn)throw new TypeError(hint+" must be a function")}function assertValidReturnValue(kind,value){var type=typeof value;if(1===kind){if("object"!==type||null===value)throw new TypeError("accessor decorators must return an object with get, set, or init properties or void 0");void 0!==value.get&&assertCallable(value.get,"accessor.get"),void 0!==value.set&&assertCallable(value.set,"accessor.set"),void 0!==value.init&&assertCallable(value.init,"accessor.init")}else if("function"!==type){var hint;throw hint=0===kind?"field":5===kind?"class":"method",new TypeError(hint+" decorators must return a function or void 0")}}function curryThis1(fn){return function(){return fn(this)}}function curryThis2(fn){return function(value){fn(this,value)}}function applyMemberDec(ret,base,decInfo,decoratorsHaveThis,name,kind,isStatic,isPrivate,initializers,hasPrivateBrand){var desc,init,value,newValue,get,set,decs=decInfo[0];decoratorsHaveThis||Array.isArray(decs)||(decs=[decs]),isPrivate?desc=0===kind||1===kind?{get:curryThis1(decInfo[3]),set:curryThis2(decInfo[4])}:3===kind?{get:decInfo[3]}:4===kind?{set:decInfo[3]}:{value:decInfo[3]}:0!==kind&&(desc=Object.getOwnPropertyDescriptor(base,name)),1===kind?value={get:desc.get,set:desc.set}:2===kind?value=desc.value:3===kind?value=desc.get:4===kind&&(value=desc.set);for(var inc=decoratorsHaveThis?2:1,i=decs.length-1;i>=0;i-=inc){var newInit;if(void 0!==(newValue=memberDec(decs[i],decoratorsHaveThis?decs[i-1]:void 0,name,desc,initializers,kind,isStatic,isPrivate,value,hasPrivateBrand)))assertValidReturnValue(kind,newValue),0===kind?newInit=newValue:1===kind?(newInit=newValue.init,get=newValue.get||value.get,set=newValue.set||value.set,value={get:get,set:set}):value=newValue,void 0!==newInit&&(void 0===init?init=newInit:"function"==typeof init?init=[init,newInit]:init.push(newInit))}if(0===kind||1===kind){if(void 0===init)init=function(instance,init){return init};else if("function"!=typeof init){var ownInitializers=init;init=function(instance,init){for(var value=init,i=0;i<ownInitializers.length;i++)value=ownInitializers[i].call(instance,value);return value}}else{var originalInitializer=init;init=function(instance,init){return originalInitializer.call(instance,init)}}ret.push(init)}0!==kind&&(1===kind?(desc.get=value.get,desc.set=value.set):2===kind?desc.value=value:3===kind?desc.get=value:4===kind&&(desc.set=value),isPrivate?1===kind?(ret.push((function(instance,args){return value.get.call(instance,args)})),ret.push((function(instance,args){return value.set.call(instance,args)}))):2===kind?ret.push(value):ret.push((function(instance,args){return value.call(instance,args)})):Object.defineProperty(base,name,desc))}function applyMemberDecs(Class,decInfos,instanceBrand){for(var protoInitializers,staticInitializers,staticBrand,ret=[],existingProtoNonFields=new Map,existingStaticNonFields=new Map,i=0;i<decInfos.length;i++){var decInfo=decInfos[i];if(Array.isArray(decInfo)){var base,initializers,kind=decInfo[1],name=decInfo[2],isPrivate=decInfo.length>3,decoratorsHaveThis=16&kind,isStatic=!!(8&kind),hasPrivateBrand=instanceBrand;if(kind&=7,isStatic?(base=Class,0!==kind&&(initializers=staticInitializers=staticInitializers||[]),isPrivate&&!staticBrand&&(staticBrand=function(_){return checkInRHS(_)===Class}),hasPrivateBrand=staticBrand):(base=Class.prototype,0!==kind&&(initializers=protoInitializers=protoInitializers||[])),0!==kind&&!isPrivate){var existingNonFields=isStatic?existingStaticNonFields:existingProtoNonFields,existingKind=existingNonFields.get(name)||0;if(!0===existingKind||3===existingKind&&4!==kind||4===existingKind&&3!==kind)throw new Error("Attempted to decorate a public method/accessor that has the same name as a previously decorated public method/accessor. This is not currently supported by the decorators plugin. Property name was: "+name);existingNonFields.set(name,!(!existingKind&&kind>2)||kind)}applyMemberDec(ret,base,decInfo,decoratorsHaveThis,name,kind,isStatic,isPrivate,initializers,hasPrivateBrand)}}return pushInitializers(ret,protoInitializers),pushInitializers(ret,staticInitializers),ret}function pushInitializers(ret,initializers){initializers&&ret.push((function(instance){for(var i=0;i<initializers.length;i++)initializers[i].call(instance);return instance}))}function applyClassDecs(targetClass,classDecs,decoratorsHaveThis){if(classDecs.length){for(var initializers=[],newClass=targetClass,name=targetClass.name,inc=decoratorsHaveThis?2:1,i=classDecs.length-1;i>=0;i-=inc){var decoratorFinishedRef={v:!1};try{var nextNewClass=classDecs[i].call(decoratorsHaveThis?classDecs[i-1]:void 0,newClass,{kind:"class",name:name,addInitializer:createAddInitializerMethod(initializers,decoratorFinishedRef)})}finally{decoratorFinishedRef.v=!0}void 0!==nextNewClass&&(assertValidReturnValue(5,nextNewClass),newClass=nextNewClass)}return[newClass,function(){for(var i=0;i<initializers.length;i++)initializers[i].call(newClass)}]}}export default function applyDecs2305(targetClass,memberDecs,classDecs,classDecsHaveThis,instanceBrand){return{e:applyMemberDecs(targetClass,memberDecs,instanceBrand),get c(){return applyClassDecs(targetClass,classDecs,classDecsHaveThis)}}}',
   ),
   asyncGeneratorDelegate: helper(
     "7.0.0-beta.0",
diff --git a/packages/babel-helpers/src/helpers/applyDecs2303.js b/packages/babel-helpers/src/helpers/applyDecs2305.js
similarity index 99%
rename from packages/babel-helpers/src/helpers/applyDecs2303.js
rename to packages/babel-helpers/src/helpers/applyDecs2305.js
index 9a47ac52e20f..4fe0eeb75385 100644
--- a/packages/babel-helpers/src/helpers/applyDecs2303.js
+++ b/packages/babel-helpers/src/helpers/applyDecs2305.js
@@ -664,7 +664,7 @@ function applyClassDecs(targetClass, classDecs, decoratorsHaveThis) {
   initializeClass(Class);
  */
 
-export default function applyDecs2303(
+export default function applyDecs2305(
   targetClass,
   memberDecs,
   classDecs,
diff --git a/packages/babel-plugin-proposal-decorators/src/index.ts b/packages/babel-plugin-proposal-decorators/src/index.ts
index 9e2e4c0b8c1e..88305927b797 100644
--- a/packages/babel-plugin-proposal-decorators/src/index.ts
+++ b/packages/babel-plugin-proposal-decorators/src/index.ts
@@ -7,7 +7,7 @@ import {
   FEATURES,
 } from "@babel/helper-create-class-features-plugin";
 import legacyVisitor from "./transformer-legacy";
-import transformer2022_03 from "./transformer-2023-03";
+import transformer2023_05 from "./transformer-2023-05";
 import type { Options as SyntaxOptions } from "@babel/plugin-syntax-decorators";
 
 interface Options extends SyntaxOptions {
@@ -41,9 +41,9 @@ export default declare((api, options: Options) => {
     version === "2021-12" ||
     version === "2022-03" ||
     version === "2023-01" ||
-    version === "2023-03"
+    version === "2023-05"
   ) {
-    return transformer2022_03(api, options, version);
+    return transformer2023_05(api, options, version);
   } else if (!process.env.BABEL_8_BREAKING) {
     api.assertVersion("^7.0.2");
     return createClassFeaturePlugin({
diff --git a/packages/babel-plugin-proposal-decorators/src/transformer-2023-03.ts b/packages/babel-plugin-proposal-decorators/src/transformer-2023-05.ts
similarity index 98%
rename from packages/babel-plugin-proposal-decorators/src/transformer-2023-03.ts
rename to packages/babel-plugin-proposal-decorators/src/transformer-2023-05.ts
index 1460b824cf0f..df457dd239a0 100644
--- a/packages/babel-plugin-proposal-decorators/src/transformer-2023-03.ts
+++ b/packages/babel-plugin-proposal-decorators/src/transformer-2023-05.ts
@@ -20,7 +20,7 @@ type ClassElement =
   | t.TSIndexSignature
   | t.StaticBlock;
 
-type DecoratorVersionKind = "2023-03" | "2023-01" | "2022-03" | "2021-12";
+type DecoratorVersionKind = "2023-05" | "2023-01" | "2022-03" | "2021-12";
 
 function incrementId(id: number[], idx = id.length - 1): void {
   // If index is -1, id needs an additional character, unshift A
@@ -175,7 +175,7 @@ function addProxyAccessorsFor(
   const { static: isStatic } = element.node;
 
   const thisArg =
-    version === "2023-03" && isStatic ? className : t.thisExpression();
+    version === "2023-05" && isStatic ? className : t.thisExpression();
 
   const getterBody = t.blockStatement([
     t.returnStatement(
@@ -238,7 +238,7 @@ function extractProxyAccessorsFor(
   targetKey: t.PrivateName,
   version: DecoratorVersionKind,
 ): (t.FunctionExpression | t.ArrowFunctionExpression)[] {
-  if (version !== "2023-03" && version !== "2023-01") {
+  if (version !== "2023-05" && version !== "2023-01") {
     return [
       template.expression.ast`
         function () {
@@ -269,7 +269,7 @@ const METHOD = 2;
 const GETTER = 3;
 const SETTER = 4;
 
-const STATIC_OLD_VERSION = 5; // Before 2023-03
+const STATIC_OLD_VERSION = 5; // Before 2023-05
 const STATIC = 8; // 1 << 3
 const DECORATORS_HAVE_THIS = 16; // 1 << 3
 
@@ -355,7 +355,7 @@ function generateDecorationList(
   const hasOneThis = decoratorsThis.some(Boolean);
   const decs: t.Expression[] = [];
   for (let i = 0; i < decsCount; i++) {
-    if (version === "2023-03" && hasOneThis) {
+    if (version === "2023-05" && hasOneThis) {
       decs.push(
         decoratorsThis[i] || t.unaryExpression("void", t.numericLiteral(0)),
       );
@@ -380,7 +380,7 @@ function generateDecorationExprs(
 
       let flag = el.kind;
       if (el.isStatic) {
-        flag += version === "2023-03" ? STATIC : STATIC_OLD_VERSION;
+        flag += version === "2023-05" ? STATIC : STATIC_OLD_VERSION;
       }
       if (hasThis) flag += DECORATORS_HAVE_THIS;
 
@@ -589,7 +589,7 @@ function transformClass(
   const decoratorsThis = new Map<t.Decorator, t.Expression>();
   const maybeExtractDecorator = (decorator: t.Decorator) => {
     const { expression } = decorator;
-    if (version === "2023-03" && t.isMemberExpression(expression)) {
+    if (version === "2023-05" && t.isMemberExpression(expression)) {
       let object;
       if (
         t.isSuper(expression.object) ||
@@ -1132,7 +1132,7 @@ function createLocalsAssignment(
     );
   } else {
     // TODO(Babel 8): Only keep the if branch
-    if (version === "2023-03") {
+    if (version === "2023-05") {
       if (maybePrivateBranName || classDecorationsFlag.value !== 0) {
         args.push(classDecorationsFlag);
       }
@@ -1143,7 +1143,7 @@ function createLocalsAssignment(
           ` as t.ArrowFunctionExpression,
         );
       }
-      rhs = t.callExpression(state.addHelper("applyDecs2303"), args);
+      rhs = t.callExpression(state.addHelper("applyDecs2305"), args);
     } else if (version === "2023-01") {
       if (maybePrivateBranName) {
         args.push(
@@ -1180,9 +1180,9 @@ function createLocalsAssignment(
 export default function (
   { assertVersion, assumption }: PluginAPI,
   { loose }: Options,
-  version: "2023-03" | "2023-01" | "2022-03" | "2021-12",
+  version: "2023-05" | "2023-01" | "2022-03" | "2021-12",
 ): PluginObject {
-  if (version === "2023-03" || version === "2023-01") {
+  if (version === "2023-05" || version === "2023-01") {
     assertVersion("^7.21.0");
   } else if (version === "2021-12") {
     assertVersion("^7.16.0");
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/options.json
deleted file mode 100644
index 3878fe79a69c..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "plugins": [["proposal-decorators", { "version": "2023-03" }]]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/options.json
deleted file mode 100644
index 0127175ed0d1..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/options.json
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "plugins": [["proposal-decorators", { "version": "2023-03" }]],
-  "assumptions": {
-    "constantSuper": true
-  }
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/options.json
deleted file mode 100644
index 3878fe79a69c..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "plugins": [["proposal-decorators", { "version": "2023-03" }]]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/options.json
deleted file mode 100644
index 3878fe79a69c..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "plugins": [["proposal-decorators", { "version": "2023-03" }]]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/options.json
deleted file mode 100644
index 3878fe79a69c..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "plugins": [["proposal-decorators", { "version": "2023-03" }]]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/options.json
deleted file mode 100644
index 3878fe79a69c..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "plugins": [["proposal-decorators", { "version": "2023-03" }]]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/options.json
deleted file mode 100644
index 78dfc85292c5..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/options.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "plugins": [
-    ["proposal-decorators", { "version": "2023-03" }],
-    "proposal-class-properties",
-    "proposal-private-methods",
-    "proposal-class-static-block"
-  ]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/options.json
deleted file mode 100644
index 78dfc85292c5..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/options.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "plugins": [
-    ["proposal-decorators", { "version": "2023-03" }],
-    "proposal-class-properties",
-    "proposal-private-methods",
-    "proposal-class-static-block"
-  ]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/options.json
deleted file mode 100644
index 3878fe79a69c..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "plugins": [["proposal-decorators", { "version": "2023-03" }]]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/options.json
deleted file mode 100644
index 3878fe79a69c..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "plugins": [["proposal-decorators", { "version": "2023-03" }]]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/options.json
deleted file mode 100644
index 78dfc85292c5..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/options.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "plugins": [
-    ["proposal-decorators", { "version": "2023-03" }],
-    "proposal-class-properties",
-    "proposal-private-methods",
-    "proposal-class-static-block"
-  ]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/options.json
deleted file mode 100644
index 3878fe79a69c..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "plugins": [["proposal-decorators", { "version": "2023-03" }]]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/options.json
deleted file mode 100644
index 78dfc85292c5..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/options.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "plugins": [
-    ["proposal-decorators", { "version": "2023-03" }],
-    "proposal-class-properties",
-    "proposal-private-methods",
-    "proposal-class-static-block"
-  ]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/options.json
deleted file mode 100644
index 3878fe79a69c..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "plugins": [["proposal-decorators", { "version": "2023-03" }]]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/options.json
deleted file mode 100644
index 78dfc85292c5..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/options.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "plugins": [
-    ["proposal-decorators", { "version": "2023-03" }],
-    "proposal-class-properties",
-    "proposal-private-methods",
-    "proposal-class-static-block"
-  ]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/options.json
deleted file mode 100644
index b48aa6db604e..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/options.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "plugins": [["proposal-decorators", { "version": "2023-03" }]],
-  "minNodeVersion": "16.11.0"
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/options.json
deleted file mode 100644
index 78dfc85292c5..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/options.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "plugins": [
-    ["proposal-decorators", { "version": "2023-03" }],
-    "proposal-class-properties",
-    "proposal-private-methods",
-    "proposal-class-static-block"
-  ]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/options.json
deleted file mode 100644
index 78dfc85292c5..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/options.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "plugins": [
-    ["proposal-decorators", { "version": "2023-03" }],
-    "proposal-class-properties",
-    "proposal-private-methods",
-    "proposal-class-static-block"
-  ]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/options.json
deleted file mode 100644
index 3878fe79a69c..000000000000
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/options.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "plugins": [["proposal-decorators", { "version": "2023-03" }]]
-}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/options.json
similarity index 68%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/options.json
index 78dfc85292c5..90031fe8187a 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/options.json
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/options.json
@@ -1,6 +1,6 @@
 {
   "plugins": [
-    ["proposal-decorators", { "version": "2023-03" }],
+    ["proposal-decorators", { "version": "2023-05" }],
     "proposal-class-properties",
     "proposal-private-methods",
     "proposal-class-static-block"
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/private/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/private/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/private/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/private/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/private/output.js
similarity index 95%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/private/output.js
index f5afadf80683..e2db1b0bc267 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/private/output.js
@@ -36,4 +36,4 @@ function _set_b2(v) {
 function _get_b2() {
   return _get_b(this);
 }
-[_init_a, _get_a, _set_a, _init_b, _get_b, _set_b, _initProto] = babelHelpers.applyDecs2303(Foo, [[dec, 1, "a", o => babelHelpers.classPrivateFieldGet(o, _A), (o, v) => babelHelpers.classPrivateFieldSet(o, _A, v)], [dec, 1, "b", o => babelHelpers.classPrivateFieldGet(o, _B), (o, v) => babelHelpers.classPrivateFieldSet(o, _B, v)]], [], 0, _ => _a.has(babelHelpers.checkInRHS(_))).e;
+[_init_a, _get_a, _set_a, _init_b, _get_b, _set_b, _initProto] = babelHelpers.applyDecs2305(Foo, [[dec, 1, "a", o => babelHelpers.classPrivateFieldGet(o, _A), (o, v) => babelHelpers.classPrivateFieldSet(o, _A, v)], [dec, 1, "b", o => babelHelpers.classPrivateFieldGet(o, _B), (o, v) => babelHelpers.classPrivateFieldSet(o, _B, v)]], [], 0, _ => _a.has(babelHelpers.checkInRHS(_))).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/public/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/public/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/public/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/public/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/public/output.js
similarity index 94%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/public/output.js
index 22dc762cb4e8..2ed94c89dfff 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/public/output.js
@@ -38,4 +38,4 @@ class Foo {
     babelHelpers.classPrivateFieldSet(this, _C, v);
   }
 }
-[_init_a, _init_b, _init_computedKey, _initProto] = babelHelpers.applyDecs2303(Foo, [[dec, 1, "a"], [dec, 1, "b"], [dec, 1, _computedKey]], []).e;
+[_init_a, _init_b, _init_computedKey, _initProto] = babelHelpers.applyDecs2305(Foo, [[dec, 1, "a"], [dec, 1, "b"], [dec, 1, _computedKey]], []).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-private/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-private/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-private/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-private/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-private/output.js
similarity index 94%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-private/output.js
index 85e5b6909c33..8d398c811a40 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-private/output.js
@@ -27,7 +27,7 @@ function _get_b2() {
   return _get_b(this);
 }
 (() => {
-  [_init_a, _get_a, _set_a, _init_b, _get_b, _set_b, _initStatic] = babelHelpers.applyDecs2303(Foo, [[dec, 9, "a", o => babelHelpers.classStaticPrivateFieldSpecGet(o, Foo, _A), (o, v) => babelHelpers.classStaticPrivateFieldSpecSet(o, Foo, _A, v)], [dec, 9, "b", o => babelHelpers.classStaticPrivateFieldSpecGet(o, Foo, _B), (o, v) => babelHelpers.classStaticPrivateFieldSpecSet(o, Foo, _B, v)]], []).e;
+  [_init_a, _get_a, _set_a, _init_b, _get_b, _set_b, _initStatic] = babelHelpers.applyDecs2305(Foo, [[dec, 9, "a", o => babelHelpers.classStaticPrivateFieldSpecGet(o, Foo, _A), (o, v) => babelHelpers.classStaticPrivateFieldSpecSet(o, Foo, _A, v)], [dec, 9, "b", o => babelHelpers.classStaticPrivateFieldSpecGet(o, Foo, _B), (o, v) => babelHelpers.classStaticPrivateFieldSpecSet(o, Foo, _B, v)]], []).e;
   _initStatic(Foo);
 })();
 var _A = {
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-public-this/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-public-this/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-public-this/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-public-this/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-public/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-public/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-public/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-public/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-public/output.js
similarity index 93%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-public/output.js
index 9289a1a1890b..f124a7035620 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/static-public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/static-public/output.js
@@ -22,7 +22,7 @@ class Foo {
   }
 }
 (() => {
-  [_init_a, _init_b, _init_computedKey, _initStatic] = babelHelpers.applyDecs2303(Foo, [[dec, 9, "a"], [dec, 9, "b"], [dec, 9, _computedKey]], []).e;
+  [_init_a, _init_b, _init_computedKey, _initStatic] = babelHelpers.applyDecs2305(Foo, [[dec, 9, "a"], [dec, 9, "b"], [dec, 9, _computedKey]], []).e;
   _initStatic(Foo);
 })();
 var _A = {
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-private/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-private/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-private/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-private/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-private/output.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-private/output.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-public/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-public/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-public/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-public/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-public/output.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-public/output.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-static-private/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-static-private/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-static-private/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-static-private/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-static-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-static-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-static-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-static-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-static-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-static-private/output.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-static-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-static-private/output.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-static-public/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-static-public/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-static-public/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-static-public/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-static-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-static-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-static-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-static-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-static-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-static-public/output.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/undecorated-static-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors--to-es2015/undecorated-static-public/output.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/options.json
new file mode 100644
index 000000000000..15054fd05183
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": [["proposal-decorators", { "version": "2023-05" }]]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/private/output.js
similarity index 88%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/private/output.js
index 7e6aca54de41..158762fa3071 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/private/output.js
@@ -2,7 +2,7 @@ var _init_a, _get_a, _set_a, _init_b, _get_b, _set_b, _initProto;
 const dec = () => {};
 class Foo {
   static {
-    [_init_a, _get_a, _set_a, _init_b, _get_b, _set_b, _initProto] = babelHelpers.applyDecs2303(this, [[dec, 1, "a", o => o.#A, (o, v) => o.#A = v], [dec, 1, "b", o => o.#B, (o, v) => o.#B = v]], [], 0, _ => #a in _).e;
+    [_init_a, _get_a, _set_a, _init_b, _get_b, _set_b, _initProto] = babelHelpers.applyDecs2305(this, [[dec, 1, "a", o => o.#A, (o, v) => o.#A = v], [dec, 1, "b", o => o.#B, (o, v) => o.#B = v]], [], 0, _ => #a in _).e;
   }
   #A = (_initProto(this), _init_a(this));
   set #a(v) {
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/public/output.js
similarity index 89%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/public/output.js
index c8dd2991237c..d1cc1e1f991e 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/public/output.js
@@ -3,7 +3,7 @@ const dec = () => {};
 _computedKey = 'c';
 class Foo {
   static {
-    [_init_a, _init_b, _init_computedKey, _initProto] = babelHelpers.applyDecs2303(this, [[dec, 1, "a"], [dec, 1, "b"], [dec, 1, _computedKey]], []).e;
+    [_init_a, _init_b, _init_computedKey, _initProto] = babelHelpers.applyDecs2305(this, [[dec, 1, "a"], [dec, 1, "b"], [dec, 1, _computedKey]], []).e;
   }
   #A = (_initProto(this), _init_a(this));
   get a() {
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/static-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/static-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/static-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/static-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/static-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/static-private/output.js
similarity index 88%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/static-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/static-private/output.js
index 2521ca9eceaa..8857eade379f 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/static-private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/static-private/output.js
@@ -2,7 +2,7 @@ var _init_a, _get_a, _set_a, _init_b, _get_b, _set_b, _initStatic;
 const dec = () => {};
 class Foo {
   static {
-    [_init_a, _get_a, _set_a, _init_b, _get_b, _set_b, _initStatic] = babelHelpers.applyDecs2303(this, [[dec, 9, "a", o => o.#A, (o, v) => o.#A = v], [dec, 9, "b", o => o.#B, (o, v) => o.#B = v]], []).e;
+    [_init_a, _get_a, _set_a, _init_b, _get_b, _set_b, _initStatic] = babelHelpers.applyDecs2305(this, [[dec, 9, "a", o => o.#A, (o, v) => o.#A = v], [dec, 9, "b", o => o.#B, (o, v) => o.#B = v]], []).e;
     _initStatic(this);
   }
   static #A = _init_a(this);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/static-public-inherited/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/static-public-inherited/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/static-public-inherited/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/static-public-inherited/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/static-public-inherited/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/static-public-inherited/options.json
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/static-public-inherited/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/static-public-inherited/options.json
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/static-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/static-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/static-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/static-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/static-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/static-public/output.js
similarity index 90%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/static-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/static-public/output.js
index aa2dca77ccc4..f05e361a640b 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/static-public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/static-public/output.js
@@ -3,7 +3,7 @@ const dec = () => {};
 _computedKey = 'c';
 class Foo {
   static {
-    [_init_a, _init_b, _init_computedKey, _initStatic] = babelHelpers.applyDecs2303(this, [[dec, 9, "a"], [dec, 9, "b"], [dec, 9, _computedKey]], []).e;
+    [_init_a, _init_b, _init_computedKey, _initStatic] = babelHelpers.applyDecs2305(this, [[dec, 9, "a"], [dec, 9, "b"], [dec, 9, _computedKey]], []).e;
     _initStatic(this);
   }
   static #A = _init_a(this);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-private/output.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-private/output.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-public/output.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-public/output.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-static-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-static-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-static-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-static-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-static-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-static-private/output.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-static-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-static-private/output.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-static-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-static-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-static-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-static-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-static-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-static-public/output.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors/undecorated-static-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-accessors/undecorated-static-public/output.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/options.json
new file mode 100644
index 000000000000..369462b1233d
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/options.json
@@ -0,0 +1,6 @@
+{
+  "plugins": [["proposal-decorators", { "version": "2023-05" }]],
+  "assumptions": {
+    "constantSuper": true
+  }
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/super-in-nested-constructor-expression/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/super-in-nested-constructor-expression/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/super-in-nested-constructor-expression/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/super-in-nested-constructor-expression/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/super-in-nested-constructor-expression/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/super-in-nested-constructor-expression/output.js
similarity index 73%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/super-in-nested-constructor-expression/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/super-in-nested-constructor-expression/output.js
index da70eb6e4869..267564aaae78 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/super-in-nested-constructor-expression/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/super-in-nested-constructor-expression/output.js
@@ -3,7 +3,7 @@ const dec = () => {};
 let _Foo;
 class Foo extends Bar {
   static {
-    [_Foo, _initClass] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+    [_Foo, _initClass] = babelHelpers.applyDecs2305(this, [], [dec]).c;
   }
   constructor() {
     let foo = super();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/super-in-private-accessor/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/super-in-private-accessor/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/super-in-private-accessor/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/super-in-private-accessor/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/super-in-private-accessor/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/super-in-private-accessor/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/super-in-private-accessor/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/super-in-private-accessor/output.js
index df619e2fc0bb..b69e2ce5e1bb 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/super-in-private-accessor/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/super-in-private-accessor/output.js
@@ -2,7 +2,7 @@ var _call_x, _initProto;
 const dec = () => {};
 class Foo extends Bar {
   static {
-    [_call_x, _initProto] = babelHelpers.applyDecs2303(this, [[dec, 3, "x", function () {
+    [_call_x, _initProto] = babelHelpers.applyDecs2305(this, [[dec, 3, "x", function () {
       return Bar.prototype.foo.call(this);
     }]], [], 0, _ => #x in _).e;
   }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/super-in-private-method/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/super-in-private-method/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/super-in-private-method/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/super-in-private-method/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/super-in-private-method/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/super-in-private-method/output.js
similarity index 81%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/super-in-private-method/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/super-in-private-method/output.js
index 147825dd468b..e41db00e1d7b 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-assumption-constantSuper/super-in-private-method/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-assumption-constantSuper/super-in-private-method/output.js
@@ -2,7 +2,7 @@ var _call_x, _initProto;
 const dec = () => {};
 class Foo extends Bar {
   static {
-    [_call_x, _initProto] = babelHelpers.applyDecs2303(this, [[dec, 2, "x", function () {
+    [_call_x, _initProto] = babelHelpers.applyDecs2305(this, [[dec, 2, "x", function () {
       return Bar.prototype.foo.call(this);
     }]], [], 0, _ => #x in _).e;
   }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/decorator-access-modified-fields/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/decorator-access-modified-fields/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/decorator-access-modified-fields/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/decorator-access-modified-fields/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/decorator-access-modified-fields/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/decorator-access-modified-fields/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/decorator-access-modified-fields/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/decorator-access-modified-fields/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/decorator-access-modified-fields/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/decorator-access-modified-fields/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/decorator-access-modified-fields/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/decorator-access-modified-fields/output.js
index 7e214c498427..fa8ae7a79338 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/decorator-access-modified-fields/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/decorator-access-modified-fields/output.js
@@ -14,5 +14,5 @@ class C {
 ({
   e: [_init_m],
   c: [_C, _initClass]
-} = babelHelpers.applyDecs2303(C, [[memberDec, 0, "m"]], [classDec]));
+} = babelHelpers.applyDecs2305(C, [[memberDec, 0, "m"]], [classDec]));
 _initClass();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/decorator-access-modified-methods/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/decorator-access-modified-methods/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/decorator-access-modified-methods/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/decorator-access-modified-methods/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/decorator-access-modified-methods/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/decorator-access-modified-methods/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/decorator-access-modified-methods/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/decorator-access-modified-methods/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/decorator-access-modified-methods/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/decorator-access-modified-methods/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/decorator-access-modified-methods/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/decorator-access-modified-methods/output.js
index b20c78d9814b..87662878affd 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/decorator-access-modified-methods/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/decorator-access-modified-methods/output.js
@@ -15,5 +15,5 @@ class C {
 ({
   e: [_initProto],
   c: [_C, _initClass]
-} = babelHelpers.applyDecs2303(C, [[memberDec, 2, "m"]], [classDec]));
+} = babelHelpers.applyDecs2305(C, [[memberDec, 2, "m"]], [classDec]));
 _initClass();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/expressions-static-blocks/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/expressions-static-blocks/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/expressions-static-blocks/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/expressions-static-blocks/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/expressions-static-blocks/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/expressions-static-blocks/output.js
similarity index 78%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/expressions-static-blocks/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/expressions-static-blocks/output.js
index 99799da63d68..f4b047570ac4 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/expressions-static-blocks/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/expressions-static-blocks/output.js
@@ -6,7 +6,7 @@ const A = (new (_temp = class extends babelHelpers.identity {
   }
 }, (() => {
   class A {}
-  [_A, _initClass] = babelHelpers.applyDecs2303(A, [], [dec]).c;
+  [_A, _initClass] = babelHelpers.applyDecs2305(A, [], [dec]).c;
 })(), _temp)(), _A);
 const B = (new (_temp2 = class extends babelHelpers.identity {
   constructor() {
@@ -14,7 +14,7 @@ const B = (new (_temp2 = class extends babelHelpers.identity {
   }
 }, (() => {
   class C {}
-  [_C, _initClass2] = babelHelpers.applyDecs2303(C, [], [dec]).c;
+  [_C, _initClass2] = babelHelpers.applyDecs2305(C, [], [dec]).c;
 })(), _temp2)(), _C);
 const D = (new (_temp3 = class extends babelHelpers.identity {
   constructor() {
@@ -22,32 +22,32 @@ const D = (new (_temp3 = class extends babelHelpers.identity {
   }
 }, (() => {
   class D {}
-  [_D, _initClass3] = babelHelpers.applyDecs2303(D, [], [dec]).c;
+  [_D, _initClass3] = babelHelpers.applyDecs2305(D, [], [dec]).c;
 })(), _temp3)(), _D);
 const E = ((new (_temp4 = class extends babelHelpers.identity {
   constructor() {
     super(_decorated_class), (() => {})(), _initClass4();
   }
-}, (_class2 = class {}, [_decorated_class, _initClass4] = babelHelpers.applyDecs2303(_class2, [], [dec]).c), _temp4)(), _decorated_class), 123);
+}, (_class2 = class {}, [_decorated_class, _initClass4] = babelHelpers.applyDecs2305(_class2, [], [dec]).c), _temp4)(), _decorated_class), 123);
 const F = [(new (_temp5 = class extends babelHelpers.identity {
   constructor() {
     super(_G), (() => {})(), _initClass5();
   }
 }, (() => {
   class G {}
-  [_G, _initClass5] = babelHelpers.applyDecs2303(G, [], [dec]).c;
+  [_G, _initClass5] = babelHelpers.applyDecs2305(G, [], [dec]).c;
 })(), _temp5)(), _G), (new (_temp6 = class extends babelHelpers.identity {
   constructor() {
     super(_decorated_class2), (() => {})(), _initClass6();
   }
-}, (_class3 = class {}, [_decorated_class2, _initClass6] = babelHelpers.applyDecs2303(_class3, [], [dec]).c), _temp6)(), _decorated_class2)];
+}, (_class3 = class {}, [_decorated_class2, _initClass6] = babelHelpers.applyDecs2305(_class3, [], [dec]).c), _temp6)(), _decorated_class2)];
 const H = (new (_temp7 = class extends babelHelpers.identity {
   constructor() {
     super(_H), (() => {})(), _initClass7();
   }
 }, (() => {
   class H extends I {}
-  [_H, _initClass7] = babelHelpers.applyDecs2303(H, [], [dec]).c;
+  [_H, _initClass7] = babelHelpers.applyDecs2305(H, [], [dec]).c;
 })(), _temp7)(), _H);
 const J = (new (_temp8 = class extends babelHelpers.identity {
   constructor() {
@@ -55,7 +55,7 @@ const J = (new (_temp8 = class extends babelHelpers.identity {
   }
 }, (() => {
   class K extends L {}
-  [_K, _initClass8] = babelHelpers.applyDecs2303(K, [], [dec]).c;
+  [_K, _initClass8] = babelHelpers.applyDecs2305(K, [], [dec]).c;
 })(), _temp8)(), _K);
 function classFactory() {
   var _initClass9, _decorated_class3, _temp9, _class5;
@@ -63,5 +63,5 @@ function classFactory() {
     constructor() {
       super(_decorated_class3), (() => {})(), _initClass9();
     }
-  }, (_class5 = class {}, [_decorated_class3, _initClass9] = babelHelpers.applyDecs2303(_class5, [], [dec]).c), _temp9)(), _decorated_class3;
+  }, (_class5 = class {}, [_decorated_class3, _initClass9] = babelHelpers.applyDecs2305(_class5, [], [dec]).c), _temp9)(), _decorated_class3;
 }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/expressions/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/expressions/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/expressions/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/expressions/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/expressions/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/expressions/output.js
similarity index 63%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/expressions/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/expressions/output.js
index 0fba5b7a4a85..39492606f0e3 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/expressions/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/expressions/output.js
@@ -1,13 +1,13 @@
 var _initClass, _A, _class, _initClass2, _C, _class2, _initClass3, _D, _class3, _initClass4, _decorated_class, _class4, _initClass5, _G, _class5, _initClass6, _decorated_class2, _class6, _initClass7, _H, _class7, _initClass8, _K, _class8;
 const dec = () => {};
-const A = ((_class = class A {}, [_A, _initClass] = babelHelpers.applyDecs2303(_class, [], [dec]).c, _initClass()), _A);
-const B = ((_class2 = class C {}, [_C, _initClass2] = babelHelpers.applyDecs2303(_class2, [], [dec]).c, _initClass2()), _C);
-const D = ((_class3 = class D {}, [_D, _initClass3] = babelHelpers.applyDecs2303(_class3, [], [dec]).c, _initClass3()), _D);
-const E = (((_class4 = class {}, [_decorated_class, _initClass4] = babelHelpers.applyDecs2303(_class4, [], [dec]).c, _initClass4()), _decorated_class), 123);
-const F = [((_class5 = class G {}, [_G, _initClass5] = babelHelpers.applyDecs2303(_class5, [], [dec]).c, _initClass5()), _G), ((_class6 = class {}, [_decorated_class2, _initClass6] = babelHelpers.applyDecs2303(_class6, [], [dec]).c, _initClass6()), _decorated_class2)];
-const H = ((_class7 = class H extends I {}, [_H, _initClass7] = babelHelpers.applyDecs2303(_class7, [], [dec]).c, _initClass7()), _H);
-const J = ((_class8 = class K extends L {}, [_K, _initClass8] = babelHelpers.applyDecs2303(_class8, [], [dec]).c, _initClass8()), _K);
+const A = ((_class = class A {}, [_A, _initClass] = babelHelpers.applyDecs2305(_class, [], [dec]).c, _initClass()), _A);
+const B = ((_class2 = class C {}, [_C, _initClass2] = babelHelpers.applyDecs2305(_class2, [], [dec]).c, _initClass2()), _C);
+const D = ((_class3 = class D {}, [_D, _initClass3] = babelHelpers.applyDecs2305(_class3, [], [dec]).c, _initClass3()), _D);
+const E = (((_class4 = class {}, [_decorated_class, _initClass4] = babelHelpers.applyDecs2305(_class4, [], [dec]).c, _initClass4()), _decorated_class), 123);
+const F = [((_class5 = class G {}, [_G, _initClass5] = babelHelpers.applyDecs2305(_class5, [], [dec]).c, _initClass5()), _G), ((_class6 = class {}, [_decorated_class2, _initClass6] = babelHelpers.applyDecs2305(_class6, [], [dec]).c, _initClass6()), _decorated_class2)];
+const H = ((_class7 = class H extends I {}, [_H, _initClass7] = babelHelpers.applyDecs2305(_class7, [], [dec]).c, _initClass7()), _H);
+const J = ((_class8 = class K extends L {}, [_K, _initClass8] = babelHelpers.applyDecs2305(_class8, [], [dec]).c, _initClass8()), _K);
 function classFactory() {
   var _initClass9, _decorated_class3, _class9;
-  return (_class9 = class {}, [_decorated_class3, _initClass9] = babelHelpers.applyDecs2303(_class9, [], [dec]).c, _initClass9()), _decorated_class3;
+  return (_class9 = class {}, [_decorated_class3, _initClass9] = babelHelpers.applyDecs2305(_class9, [], [dec]).c, _initClass9()), _decorated_class3;
 }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/inheritance/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/inheritance/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/inheritance/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/inheritance/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/inheritance/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/inheritance/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/inheritance/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/inheritance/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/inheritance/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/inheritance/output.js
similarity index 57%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/inheritance/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/inheritance/output.js
index d975b8c90b39..209979bb08ca 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/inheritance/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/inheritance/output.js
@@ -3,9 +3,9 @@ const dec1 = () => {};
 const dec2 = () => {};
 let _Bar;
 class Bar {}
-[_Bar, _initClass] = babelHelpers.applyDecs2303(Bar, [], [dec1]).c;
+[_Bar, _initClass] = babelHelpers.applyDecs2305(Bar, [], [dec1]).c;
 _initClass();
 let _Foo;
 class Foo extends _Bar {}
-[_Foo, _initClass2] = babelHelpers.applyDecs2303(Foo, [], [dec2]).c;
+[_Foo, _initClass2] = babelHelpers.applyDecs2305(Foo, [], [dec2]).c;
 _initClass2();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/initializers/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/initializers/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/initializers/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/initializers/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/initializers/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/initializers/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/initializers/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/initializers/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/initializers/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/initializers/output.js
similarity index 81%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/initializers/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/initializers/output.js
index 0da569b21815..1e98b9b425e5 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/initializers/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/initializers/output.js
@@ -7,7 +7,7 @@ new (_temp = class extends babelHelpers.identity {
   }
 }, (() => {
   class Foo {}
-  [_Foo, _initClass] = babelHelpers.applyDecs2303(Foo, [], [dec]).c;
+  [_Foo, _initClass] = babelHelpers.applyDecs2305(Foo, [], [dec]).c;
 })(), _temp)();
 let _Bar;
 new (_temp2 = class extends babelHelpers.identity {
@@ -18,5 +18,5 @@ new (_temp2 = class extends babelHelpers.identity {
   }
 }, (() => {
   class Bar extends _Foo {}
-  [_Bar, _initClass2] = babelHelpers.applyDecs2303(Bar, [], [dec]).c;
+  [_Bar, _initClass2] = babelHelpers.applyDecs2305(Bar, [], [dec]).c;
 })(), _temp2)();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/options.json
similarity index 68%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/options.json
index 78dfc85292c5..90031fe8187a 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/options.json
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/options.json
@@ -1,6 +1,6 @@
 {
   "plugins": [
-    ["proposal-decorators", { "version": "2023-03" }],
+    ["proposal-decorators", { "version": "2023-05" }],
     "proposal-class-properties",
     "proposal-private-methods",
     "proposal-class-static-block"
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-static-installed-on-correct-class/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-static-installed-on-correct-class/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-static-installed-on-correct-class/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-static-installed-on-correct-class/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-static-installed-on-correct-class/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-static-installed-on-correct-class/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-static-installed-on-correct-class/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-static-installed-on-correct-class/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-static-installed-on-correct-class/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-static-installed-on-correct-class/output.js
similarity index 91%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-static-installed-on-correct-class/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-static-installed-on-correct-class/output.js
index b640a010c1a9..e6413e032983 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-static-installed-on-correct-class/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-static-installed-on-correct-class/output.js
@@ -16,6 +16,6 @@ new (_x = /*#__PURE__*/new WeakMap(), _m = /*#__PURE__*/new WeakSet(), (_temp =
   class Foo {
     static m() {}
   }
-  [_Foo, _initClass] = babelHelpers.applyDecs2303(Foo, [], [dec]).c;
+  [_Foo, _initClass] = babelHelpers.applyDecs2305(Foo, [], [dec]).c;
 })(), _temp))();
 function _m2() {}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-static-this/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-static-this/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-static-this/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-static-this/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-static-this/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-static-this/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-static-this/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-static-this/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-static-this/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-static-this/output.js
similarity index 83%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-static-this/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-static-this/output.js
index 3e9c496a2f5b..4c7f4fae492d 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-static-this/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-static-this/output.js
@@ -11,5 +11,5 @@ new (_temp = class extends babelHelpers.identity {
   }
 }, (() => {
   class Foo {}
-  [_Foo, _initClass] = babelHelpers.applyDecs2303(Foo, [], [dec]).c;
+  [_Foo, _initClass] = babelHelpers.applyDecs2305(Foo, [], [dec]).c;
 })(), _temp)();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-with-expr/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-with-expr/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-with-expr/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-with-expr/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-with-expr/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-with-expr/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-with-expr/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-with-expr/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-with-expr/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-with-expr/output.js
similarity index 77%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-with-expr/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-with-expr/output.js
index ba5b7da737a3..6f91424929d4 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement-with-expr/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement-with-expr/output.js
@@ -4,5 +4,5 @@ const Foo = ((_class = class Bar {
   constructor() {
     babelHelpers.defineProperty(this, "bar", new _Bar());
   }
-}, [_Bar, _initClass] = babelHelpers.applyDecs2303(_class, [], [dec]).c, _initClass()), _Bar);
+}, [_Bar, _initClass] = babelHelpers.applyDecs2305(_class, [], [dec]).c, _initClass()), _Bar);
 const foo = new Foo();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement/output.js
similarity index 81%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement/output.js
index ea526413bad4..636e8ad68440 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes--to-es2015/replacement/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes--to-es2015/replacement/output.js
@@ -7,6 +7,6 @@ new (_temp = class extends babelHelpers.identity {
   }
 }, (() => {
   class Foo {}
-  [_Foo, _initClass] = babelHelpers.applyDecs2303(Foo, [], [dec]).c;
+  [_Foo, _initClass] = babelHelpers.applyDecs2305(Foo, [], [dec]).c;
 })(), _temp)();
 const foo = new _Foo();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-fields/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-fields/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-fields/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-fields/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-fields/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-fields/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-fields/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-fields/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-fields/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-fields/options.json
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-fields/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-fields/options.json
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-fields/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-fields/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-fields/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-fields/output.js
index 439521f4f065..f280a7062001 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-fields/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-fields/output.js
@@ -11,7 +11,7 @@ class C {
     ({
       e: [_init_m],
       c: [_C, _initClass]
-    } = babelHelpers.applyDecs2303(this, [[memberDec, 0, "m"]], [classDec]));
+    } = babelHelpers.applyDecs2305(this, [[memberDec, 0, "m"]], [classDec]));
   }
   m = _init_m(this);
   static {
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-methods/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-methods/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-methods/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-methods/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-methods/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-methods/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-methods/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-methods/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-methods/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-methods/options.json
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-methods/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-methods/options.json
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-methods/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-methods/output.js
similarity index 84%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-methods/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-methods/output.js
index e9b3ade00991..79e6ff7facb3 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/decorator-access-modified-methods/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/decorator-access-modified-methods/output.js
@@ -11,7 +11,7 @@ class C {
     ({
       e: [_initProto],
       c: [_C, _initClass]
-    } = babelHelpers.applyDecs2303(this, [[memberDec, 2, "m"]], [classDec]));
+    } = babelHelpers.applyDecs2305(this, [[memberDec, 2, "m"]], [classDec]));
   }
   constructor(...args) {
     _initProto(this);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/expressions-static-blocks/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/expressions-static-blocks/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/expressions-static-blocks/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/expressions-static-blocks/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/expressions-static-blocks/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/expressions-static-blocks/output.js
similarity index 83%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/expressions-static-blocks/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/expressions-static-blocks/output.js
index 3c1e27d025f1..ec19f58026e5 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/expressions-static-blocks/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/expressions-static-blocks/output.js
@@ -4,7 +4,7 @@ const A = (new class extends babelHelpers.identity {
   static {
     class A {
       static {
-        [_A, _initClass] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+        [_A, _initClass] = babelHelpers.applyDecs2305(this, [], [dec]).c;
       }
     }
   }
@@ -16,7 +16,7 @@ const B = (new class extends babelHelpers.identity {
   static {
     class C {
       static {
-        [_C, _initClass2] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+        [_C, _initClass2] = babelHelpers.applyDecs2305(this, [], [dec]).c;
       }
     }
   }
@@ -28,7 +28,7 @@ const D = (new class extends babelHelpers.identity {
   static {
     class D {
       static {
-        [_D, _initClass3] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+        [_D, _initClass3] = babelHelpers.applyDecs2305(this, [], [dec]).c;
       }
     }
   }
@@ -40,7 +40,7 @@ const E = ((new class extends babelHelpers.identity {
   static {
     (class {
       static {
-        [_decorated_class, _initClass4] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+        [_decorated_class, _initClass4] = babelHelpers.applyDecs2305(this, [], [dec]).c;
       }
     });
   }
@@ -52,7 +52,7 @@ const F = [(new class extends babelHelpers.identity {
   static {
     class G {
       static {
-        [_G, _initClass5] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+        [_G, _initClass5] = babelHelpers.applyDecs2305(this, [], [dec]).c;
       }
     }
   }
@@ -63,7 +63,7 @@ const F = [(new class extends babelHelpers.identity {
   static {
     (class {
       static {
-        [_decorated_class2, _initClass6] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+        [_decorated_class2, _initClass6] = babelHelpers.applyDecs2305(this, [], [dec]).c;
       }
     });
   }
@@ -75,7 +75,7 @@ const H = (new class extends babelHelpers.identity {
   static {
     class H extends I {
       static {
-        [_H, _initClass7] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+        [_H, _initClass7] = babelHelpers.applyDecs2305(this, [], [dec]).c;
       }
     }
   }
@@ -87,7 +87,7 @@ const J = (new class extends babelHelpers.identity {
   static {
     class K extends L {
       static {
-        [_K, _initClass8] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+        [_K, _initClass8] = babelHelpers.applyDecs2305(this, [], [dec]).c;
       }
     }
   }
@@ -101,7 +101,7 @@ function classFactory() {
     static {
       (class {
         static {
-          [_decorated_class3, _initClass9] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+          [_decorated_class3, _initClass9] = babelHelpers.applyDecs2305(this, [], [dec]).c;
         }
       });
     }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/expressions/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/expressions/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/expressions/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/expressions/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/expressions/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/expressions/output.js
similarity index 71%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/expressions/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/expressions/output.js
index 29db6d8050d3..9391b1e2597f 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/expressions/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/expressions/output.js
@@ -2,7 +2,7 @@ var _initClass, _A, _initClass2, _C, _initClass3, _D, _initClass4, _decorated_cl
 const dec = () => {};
 const A = (class A {
   static {
-    [_A, _initClass] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+    [_A, _initClass] = babelHelpers.applyDecs2305(this, [], [dec]).c;
   }
   static {
     _initClass();
@@ -10,7 +10,7 @@ const A = (class A {
 }, _A);
 const B = (class C {
   static {
-    [_C, _initClass2] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+    [_C, _initClass2] = babelHelpers.applyDecs2305(this, [], [dec]).c;
   }
   static {
     _initClass2();
@@ -18,7 +18,7 @@ const B = (class C {
 }, _C);
 const D = (class D {
   static {
-    [_D, _initClass3] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+    [_D, _initClass3] = babelHelpers.applyDecs2305(this, [], [dec]).c;
   }
   static {
     _initClass3();
@@ -26,7 +26,7 @@ const D = (class D {
 }, _D);
 const E = ((class {
   static {
-    [_decorated_class, _initClass4] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+    [_decorated_class, _initClass4] = babelHelpers.applyDecs2305(this, [], [dec]).c;
   }
   static {
     _initClass4();
@@ -34,14 +34,14 @@ const E = ((class {
 }, _decorated_class), 123);
 const F = [(class G {
   static {
-    [_G, _initClass5] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+    [_G, _initClass5] = babelHelpers.applyDecs2305(this, [], [dec]).c;
   }
   static {
     _initClass5();
   }
 }, _G), (class {
   static {
-    [_decorated_class2, _initClass6] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+    [_decorated_class2, _initClass6] = babelHelpers.applyDecs2305(this, [], [dec]).c;
   }
   static {
     _initClass6();
@@ -49,7 +49,7 @@ const F = [(class G {
 }, _decorated_class2)];
 const H = (class H extends I {
   static {
-    [_H, _initClass7] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+    [_H, _initClass7] = babelHelpers.applyDecs2305(this, [], [dec]).c;
   }
   static {
     _initClass7();
@@ -57,7 +57,7 @@ const H = (class H extends I {
 }, _H);
 const J = (class K extends L {
   static {
-    [_K, _initClass8] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+    [_K, _initClass8] = babelHelpers.applyDecs2305(this, [], [dec]).c;
   }
   static {
     _initClass8();
@@ -67,7 +67,7 @@ function classFactory() {
   var _initClass9, _decorated_class3;
   return class {
     static {
-      [_decorated_class3, _initClass9] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+      [_decorated_class3, _initClass9] = babelHelpers.applyDecs2305(this, [], [dec]).c;
     }
     static {
       _initClass9();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/inheritance/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/inheritance/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/inheritance/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/inheritance/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/inheritance/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/inheritance/output.js
similarity index 67%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/inheritance/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/inheritance/output.js
index aa47aff8ef04..5ee04e699f16 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/inheritance/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/inheritance/output.js
@@ -4,7 +4,7 @@ let _Bar;
 _dec = dec1;
 class Bar {
   static {
-    [_Bar, _initClass] = babelHelpers.applyDecs2303(this, [], [_dec]).c;
+    [_Bar, _initClass] = babelHelpers.applyDecs2305(this, [], [_dec]).c;
   }
   static {
     _initClass();
@@ -14,7 +14,7 @@ let _Foo;
 _dec2 = dec2;
 class Foo extends _Bar {
   static {
-    [_Foo, _initClass2] = babelHelpers.applyDecs2303(this, [], [_dec2]).c;
+    [_Foo, _initClass2] = babelHelpers.applyDecs2305(this, [], [_dec2]).c;
   }
   static {
     _initClass2();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/initializers/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/initializers/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/initializers/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/initializers/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/initializers/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/initializers/output.js
similarity index 79%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/initializers/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/initializers/output.js
index eecf942bf26e..23906884f271 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/initializers/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/initializers/output.js
@@ -5,7 +5,7 @@ new class extends babelHelpers.identity {
   static {
     class Foo {
       static {
-        [_Foo, _initClass] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+        [_Foo, _initClass] = babelHelpers.applyDecs2305(this, [], [dec]).c;
       }
     }
   }
@@ -19,7 +19,7 @@ new class extends babelHelpers.identity {
   static {
     class Bar extends _Foo {
       static {
-        [_Bar, _initClass2] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+        [_Bar, _initClass2] = babelHelpers.applyDecs2305(this, [], [dec]).c;
       }
     }
   }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/options.json
new file mode 100644
index 000000000000..15054fd05183
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": [["proposal-decorators", { "version": "2023-05" }]]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement-static-installed-on-correct-class/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement-static-installed-on-correct-class/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement-static-installed-on-correct-class/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement-static-installed-on-correct-class/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement-static-installed-on-correct-class/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement-static-installed-on-correct-class/output.js
similarity index 84%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement-static-installed-on-correct-class/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement-static-installed-on-correct-class/output.js
index 32335a927df2..7216dda60846 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement-static-installed-on-correct-class/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement-static-installed-on-correct-class/output.js
@@ -6,7 +6,7 @@ new class extends babelHelpers.identity {
   static {
     class Foo {
       static {
-        [_Foo, _initClass] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+        [_Foo, _initClass] = babelHelpers.applyDecs2305(this, [], [dec]).c;
       }
       static m() {}
     }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement-static-this/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement-static-this/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement-static-this/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement-static-this/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement-static-this/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement-static-this/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement-static-this/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement-static-this/output.js
index e187fdb62453..66c8ef5979ee 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement-static-this/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement-static-this/output.js
@@ -5,7 +5,7 @@ new class extends babelHelpers.identity {
   static {
     class Foo {
       static {
-        [_Foo, _initClass] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+        [_Foo, _initClass] = babelHelpers.applyDecs2305(this, [], [dec]).c;
       }
     }
   }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement-with-expr/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement-with-expr/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement-with-expr/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement-with-expr/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement-with-expr/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement-with-expr/output.js
similarity index 73%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement-with-expr/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement-with-expr/output.js
index 771c60816010..73da860bd0ed 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement-with-expr/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement-with-expr/output.js
@@ -2,7 +2,7 @@ var _initClass, _Bar;
 const dec = () => {};
 const Foo = (class Bar {
   static {
-    [_Bar, _initClass] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+    [_Bar, _initClass] = babelHelpers.applyDecs2305(this, [], [dec]).c;
   }
   bar = new _Bar();
   static {
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement/output.js
similarity index 80%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement/output.js
index 7b4c9179c1c6..fdced4d4f3b7 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-classes/replacement/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-classes/replacement/output.js
@@ -5,7 +5,7 @@ new class extends babelHelpers.identity {
   static {
     class Foo {
       static {
-        [_Foo, _initClass] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+        [_Foo, _initClass] = babelHelpers.applyDecs2305(this, [], [dec]).c;
       }
     }
   }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/computed-keys-same-ast/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/computed-keys-same-ast/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/computed-keys-same-ast/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/computed-keys-same-ast/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/computed-keys-same-ast/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/computed-keys-same-ast/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/computed-keys-same-ast/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/computed-keys-same-ast/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/computed-keys-same-ast/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/computed-keys-same-ast/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/computed-keys-same-ast/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/computed-keys-same-ast/output.js
index 7ddef3be40d9..44378e06bd5f 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/computed-keys-same-ast/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/computed-keys-same-ast/output.js
@@ -13,4 +13,4 @@ class Foo {
     return 2;
   }
 }
-[_initProto] = babelHelpers.applyDecs2303(Foo, [[dec, 2, _computedKey], [dec, 2, _computedKey2]], []).e;
+[_initProto] = babelHelpers.applyDecs2305(Foo, [[dec, 2, _computedKey], [dec, 2, _computedKey2]], []).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/computed-keys-same-value/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/computed-keys-same-value/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/computed-keys-same-value/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/computed-keys-same-value/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/computed-keys-same-value/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/computed-keys-same-value/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/computed-keys-same-value/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/computed-keys-same-value/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/computed-keys-same-value/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/computed-keys-same-value/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/computed-keys-same-value/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/computed-keys-same-value/output.js
index 9c9448835538..e3a195f2a774 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/computed-keys-same-value/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/computed-keys-same-value/output.js
@@ -13,4 +13,4 @@ class Foo {
     return 2;
   }
 }
-[_initProto] = babelHelpers.applyDecs2303(Foo, [[dec, 2, _computedKey], [dec, 2, _computedKey2]], []).e;
+[_initProto] = babelHelpers.applyDecs2305(Foo, [[dec, 2, _computedKey], [dec, 2, _computedKey2]], []).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/method-and-field/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/method-and-field/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/method-and-field/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/method-and-field/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/method-and-field/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/method-and-field/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/method-and-field/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/method-and-field/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/method-and-field/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/method-and-field/output.js
similarity index 77%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/method-and-field/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/method-and-field/output.js
index adc3006a8190..70726746ac71 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/method-and-field/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/method-and-field/output.js
@@ -8,4 +8,4 @@ class Foo {
     return 1;
   }
 }
-[_init_a, _initProto] = babelHelpers.applyDecs2303(Foo, [[dec, 2, "a"], [dec, 0, "a"]], []).e;
+[_init_a, _initProto] = babelHelpers.applyDecs2305(Foo, [[dec, 2, "a"], [dec, 0, "a"]], []).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/methods-with-same-key/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/methods-with-same-key/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/methods-with-same-key/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/methods-with-same-key/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/methods-with-same-key/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/methods-with-same-key/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/methods-with-same-key/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/methods-with-same-key/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/methods-with-same-key/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/methods-with-same-key/output.js
similarity index 73%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/methods-with-same-key/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/methods-with-same-key/output.js
index 3fe80ca58e17..269d5980d4bf 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/methods-with-same-key/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/methods-with-same-key/output.js
@@ -11,4 +11,4 @@ class Foo {
     return 2;
   }
 }
-[_initProto] = babelHelpers.applyDecs2303(Foo, [[dec, 2, "a"], [dec, 2, "a"]], []).e;
+[_initProto] = babelHelpers.applyDecs2305(Foo, [[dec, 2, "a"], [dec, 2, "a"]], []).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/options.json
similarity index 68%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/options.json
index 78dfc85292c5..90031fe8187a 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-accessors--to-es2015/options.json
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys--to-es2015/options.json
@@ -1,6 +1,6 @@
 {
   "plugins": [
-    ["proposal-decorators", { "version": "2023-03" }],
+    ["proposal-decorators", { "version": "2023-05" }],
     "proposal-class-properties",
     "proposal-private-methods",
     "proposal-class-static-block"
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/computed-keys-same-ast/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/computed-keys-same-ast/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/computed-keys-same-ast/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/computed-keys-same-ast/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/computed-keys-same-ast/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/computed-keys-same-ast/output.js
similarity index 83%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/computed-keys-same-ast/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/computed-keys-same-ast/output.js
index b409741c95c1..cfbba5d6cf27 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/computed-keys-same-ast/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/computed-keys-same-ast/output.js
@@ -4,7 +4,7 @@ _computedKey = getKey();
 _computedKey2 = getKey();
 class Foo {
   static {
-    [_initProto] = babelHelpers.applyDecs2303(this, [[dec, 2, _computedKey], [dec, 2, _computedKey2]], []).e;
+    [_initProto] = babelHelpers.applyDecs2305(this, [[dec, 2, _computedKey], [dec, 2, _computedKey2]], []).e;
   }
   constructor(...args) {
     _initProto(this);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/computed-keys-same-value/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/computed-keys-same-value/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/computed-keys-same-value/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/computed-keys-same-value/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/computed-keys-same-value/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/computed-keys-same-value/output.js
similarity index 83%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/computed-keys-same-value/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/computed-keys-same-value/output.js
index 00bd162f0999..1a58d243573e 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/computed-keys-same-value/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/computed-keys-same-value/output.js
@@ -4,7 +4,7 @@ _computedKey = getKeyI();
 _computedKey2 = getKeyJ();
 class Foo {
   static {
-    [_initProto] = babelHelpers.applyDecs2303(this, [[dec, 2, _computedKey], [dec, 2, _computedKey2]], []).e;
+    [_initProto] = babelHelpers.applyDecs2305(this, [[dec, 2, _computedKey], [dec, 2, _computedKey2]], []).e;
   }
   constructor(...args) {
     _initProto(this);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/method-and-field/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/method-and-field/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/method-and-field/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/method-and-field/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/method-and-field/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/method-and-field/output.js
similarity index 74%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/method-and-field/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/method-and-field/output.js
index 53f2911d5016..4bf204f4686a 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/method-and-field/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/method-and-field/output.js
@@ -2,7 +2,7 @@ var _init_a, _initProto;
 const dec = () => {};
 class Foo {
   static {
-    [_init_a, _initProto] = babelHelpers.applyDecs2303(this, [[dec, 2, "a"], [dec, 0, "a"]], []).e;
+    [_init_a, _initProto] = babelHelpers.applyDecs2305(this, [[dec, 2, "a"], [dec, 0, "a"]], []).e;
   }
   a = (_initProto(this), _init_a(this, 123));
   a() {
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/methods-with-same-key/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/methods-with-same-key/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/methods-with-same-key/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/methods-with-same-key/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/methods-with-same-key/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/methods-with-same-key/output.js
similarity index 75%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/methods-with-same-key/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/methods-with-same-key/output.js
index 427a72d2aaf6..b05c1ca3ee94 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys/methods-with-same-key/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/methods-with-same-key/output.js
@@ -2,7 +2,7 @@ var _initProto;
 const dec = () => {};
 class Foo {
   static {
-    [_initProto] = babelHelpers.applyDecs2303(this, [[dec, 2, "a"], [dec, 2, "a"]], []).e;
+    [_initProto] = babelHelpers.applyDecs2305(this, [[dec, 2, "a"], [dec, 2, "a"]], []).e;
   }
   constructor(...args) {
     _initProto(this);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/options.json
new file mode 100644
index 000000000000..15054fd05183
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-duplicated-keys/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": [["proposal-decorators", { "version": "2023-05" }]]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/default-anonymous/input.mjs b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/default-anonymous/input.mjs
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/default-anonymous/input.mjs
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/default-anonymous/input.mjs
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/default-anonymous/output.mjs b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/default-anonymous/output.mjs
similarity index 67%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/default-anonymous/output.mjs
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/default-anonymous/output.mjs
index 27714fc7f865..0269b8ef738d 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/default-anonymous/output.mjs
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/default-anonymous/output.mjs
@@ -3,7 +3,7 @@ let _A;
 _dec = dec;
 class A {
   static {
-    [_A, _initClass] = babelHelpers.applyDecs2303(this, [], [_dec]).c;
+    [_A, _initClass] = babelHelpers.applyDecs2305(this, [], [_dec]).c;
   }
   static {
     _initClass();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/default-named/input.mjs b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/default-named/input.mjs
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/default-named/input.mjs
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/default-named/input.mjs
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/default-named/output.mjs b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/default-named/output.mjs
similarity index 71%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/default-named/output.mjs
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/default-named/output.mjs
index 4e00a527e4ec..dc9a83f0b5a9 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/default-named/output.mjs
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/default-named/output.mjs
@@ -3,7 +3,7 @@ let _default2;
 _dec = dec;
 class _default {
   static {
-    [_default2, _initClass] = babelHelpers.applyDecs2303(this, [], [_dec]).c;
+    [_default2, _initClass] = babelHelpers.applyDecs2305(this, [], [_dec]).c;
   }
   static {
     _initClass();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/member-decorator/input.mjs b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/member-decorator/input.mjs
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/member-decorator/input.mjs
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/member-decorator/input.mjs
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/member-decorator/output.mjs b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/member-decorator/output.mjs
similarity index 60%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/member-decorator/output.mjs
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/member-decorator/output.mjs
index 6a95338049fa..fc487029f496 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/member-decorator/output.mjs
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/member-decorator/output.mjs
@@ -2,7 +2,7 @@ var _dec, _init_x;
 _dec = dec;
 export class A {
   static {
-    [_init_x] = babelHelpers.applyDecs2303(this, [[_dec, 0, "x"]], []).e;
+    [_init_x] = babelHelpers.applyDecs2305(this, [[_dec, 0, "x"]], []).e;
   }
   x = _init_x(this);
 }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/named/input.mjs b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/named/input.mjs
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/named/input.mjs
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/named/input.mjs
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/named/output.mjs b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/named/output.mjs
similarity index 66%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/named/output.mjs
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/named/output.mjs
index ccec1e265258..3eae3eec47d2 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/named/output.mjs
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/named/output.mjs
@@ -3,7 +3,7 @@ let _A;
 _dec = dec;
 class A {
   static {
-    [_A, _initClass] = babelHelpers.applyDecs2303(this, [], [_dec]).c;
+    [_A, _initClass] = babelHelpers.applyDecs2305(this, [], [_dec]).c;
   }
   static {
     _initClass();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/no-decorators/input.mjs b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/no-decorators/input.mjs
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/no-decorators/input.mjs
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/no-decorators/input.mjs
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/no-decorators/output.mjs b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/no-decorators/output.mjs
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-exported/no-decorators/output.mjs
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/no-decorators/output.mjs
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/options.json
new file mode 100644
index 000000000000..15054fd05183
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-exported/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": [["proposal-decorators", { "version": "2023-05" }]]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/options.json
similarity index 68%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/options.json
index 78dfc85292c5..90031fe8187a 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-duplicated-keys--to-es2015/options.json
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/options.json
@@ -1,6 +1,6 @@
 {
   "plugins": [
-    ["proposal-decorators", { "version": "2023-03" }],
+    ["proposal-decorators", { "version": "2023-05" }],
     "proposal-class-properties",
     "proposal-private-methods",
     "proposal-class-static-block"
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/private/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/private/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/private/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/private/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/private/output.js
similarity index 91%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/private/output.js
index 09e5e8b4588e..5e014f1e0022 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/private/output.js
@@ -14,4 +14,4 @@ class Foo {
     });
   }
 }
-[_init_a, _init_b] = babelHelpers.applyDecs2303(Foo, [[dec, 0, "a", o => babelHelpers.classPrivateFieldGet(o, _a), (o, v) => babelHelpers.classPrivateFieldSet(o, _a, v)], [dec, 0, "b", o => babelHelpers.classPrivateFieldGet(o, _b), (o, v) => babelHelpers.classPrivateFieldSet(o, _b, v)]], [], 0, _ => _b.has(babelHelpers.checkInRHS(_))).e;
+[_init_a, _init_b] = babelHelpers.applyDecs2305(Foo, [[dec, 0, "a", o => babelHelpers.classPrivateFieldGet(o, _a), (o, v) => babelHelpers.classPrivateFieldSet(o, _a, v)], [dec, 0, "b", o => babelHelpers.classPrivateFieldGet(o, _b), (o, v) => babelHelpers.classPrivateFieldSet(o, _b, v)]], [], 0, _ => _b.has(babelHelpers.checkInRHS(_))).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/public/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/public/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/public/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/public/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/public/output.js
similarity index 86%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/public/output.js
index a022b9921fcb..4b6f87585eb3 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/public/output.js
@@ -8,4 +8,4 @@ class Foo {
     babelHelpers.defineProperty(this, _computedKey, _init_computedKey(this, 456));
   }
 }
-[_init_a, _init_b, _init_computedKey] = babelHelpers.applyDecs2303(Foo, [[dec, 0, "a"], [dec, 0, "b"], [dec, 0, _computedKey]], []).e;
+[_init_a, _init_b, _init_computedKey] = babelHelpers.applyDecs2305(Foo, [[dec, 0, "a"], [dec, 0, "b"], [dec, 0, _computedKey]], []).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/static-private/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/static-private/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/static-private/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/static-private/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/static-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/static-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/static-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/static-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/static-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/static-private/output.js
similarity index 87%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/static-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/static-private/output.js
index 600bc4ed58c7..888a72a454f2 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/static-private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/static-private/output.js
@@ -1,7 +1,7 @@
 var _init_a, _init_b;
 const dec = () => {};
 class Foo {}
-[_init_a, _init_b] = babelHelpers.applyDecs2303(Foo, [[dec, 8, "a", o => babelHelpers.classStaticPrivateFieldSpecGet(o, Foo, _a), (o, v) => babelHelpers.classStaticPrivateFieldSpecSet(o, Foo, _a, v)], [dec, 8, "b", o => babelHelpers.classStaticPrivateFieldSpecGet(o, Foo, _b), (o, v) => babelHelpers.classStaticPrivateFieldSpecSet(o, Foo, _b, v)]], []).e;
+[_init_a, _init_b] = babelHelpers.applyDecs2305(Foo, [[dec, 8, "a", o => babelHelpers.classStaticPrivateFieldSpecGet(o, Foo, _a), (o, v) => babelHelpers.classStaticPrivateFieldSpecSet(o, Foo, _a, v)], [dec, 8, "b", o => babelHelpers.classStaticPrivateFieldSpecGet(o, Foo, _b), (o, v) => babelHelpers.classStaticPrivateFieldSpecSet(o, Foo, _b, v)]], []).e;
 var _a = {
   writable: true,
   value: _init_a(Foo)
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/static-public/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/static-public/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/static-public/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/static-public/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/static-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/static-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/static-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/static-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/static-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/static-public/output.js
similarity index 85%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/static-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/static-public/output.js
index 4d58d500c721..a708464cb337 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields--to-es2015/static-public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields--to-es2015/static-public/output.js
@@ -2,7 +2,7 @@ var _init_a, _init_b, _computedKey, _init_computedKey;
 const dec = () => {};
 _computedKey = 'c';
 class Foo {}
-[_init_a, _init_b, _init_computedKey] = babelHelpers.applyDecs2303(Foo, [[dec, 8, "a"], [dec, 8, "b"], [dec, 8, _computedKey]], []).e;
+[_init_a, _init_b, _init_computedKey] = babelHelpers.applyDecs2305(Foo, [[dec, 8, "a"], [dec, 8, "b"], [dec, 8, _computedKey]], []).e;
 babelHelpers.defineProperty(Foo, "a", _init_a(Foo));
 babelHelpers.defineProperty(Foo, "b", _init_b(Foo, 123));
 babelHelpers.defineProperty(Foo, _computedKey, _init_computedKey(Foo, 456));
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/options.json
new file mode 100644
index 000000000000..15054fd05183
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": [["proposal-decorators", { "version": "2023-05" }]]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/private/output.js
similarity index 78%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/private/output.js
index b157c17a1579..e118ca78ccec 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/private/output.js
@@ -2,7 +2,7 @@ var _init_a, _init_b;
 const dec = () => {};
 class Foo {
   static {
-    [_init_a, _init_b] = babelHelpers.applyDecs2303(this, [[dec, 0, "a", o => o.#a, (o, v) => o.#a = v], [dec, 0, "b", o => o.#b, (o, v) => o.#b = v]], [], 0, _ => #b in _).e;
+    [_init_a, _init_b] = babelHelpers.applyDecs2305(this, [[dec, 0, "a", o => o.#a, (o, v) => o.#a = v], [dec, 0, "b", o => o.#b, (o, v) => o.#b = v]], [], 0, _ => #b in _).e;
   }
   #a = _init_a(this);
   #b = _init_b(this, 123);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/public/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/public/output.js
index d654f2719616..922c8f793e57 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/public/output.js
@@ -3,7 +3,7 @@ const dec = () => {};
 _computedKey = 'c';
 class Foo {
   static {
-    [_init_a, _init_b, _init_computedKey] = babelHelpers.applyDecs2303(this, [[dec, 0, "a"], [dec, 0, "b"], [dec, 0, _computedKey]], []).e;
+    [_init_a, _init_b, _init_computedKey] = babelHelpers.applyDecs2305(this, [[dec, 0, "a"], [dec, 0, "b"], [dec, 0, _computedKey]], []).e;
   }
   a = _init_a(this);
   b = _init_b(this, 123);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/static-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/static-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/static-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/static-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/static-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/static-private/output.js
similarity index 78%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/static-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/static-private/output.js
index 44fd38e41add..4150e9947f1f 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/static-private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/static-private/output.js
@@ -2,7 +2,7 @@ var _init_a, _init_b;
 const dec = () => {};
 class Foo {
   static {
-    [_init_a, _init_b] = babelHelpers.applyDecs2303(this, [[dec, 8, "a", o => o.#a, (o, v) => o.#a = v], [dec, 8, "b", o => o.#b, (o, v) => o.#b = v]], []).e;
+    [_init_a, _init_b] = babelHelpers.applyDecs2305(this, [[dec, 8, "a", o => o.#a, (o, v) => o.#a = v], [dec, 8, "b", o => o.#b, (o, v) => o.#b = v]], []).e;
   }
   static #a = _init_a(this);
   static #b = _init_b(this, 123);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/static-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/static-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/static-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/static-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/static-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/static-public/output.js
similarity index 83%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/static-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/static-public/output.js
index 8a17282aba1a..ced0276ccf0a 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-fields/static-public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-fields/static-public/output.js
@@ -3,7 +3,7 @@ const dec = () => {};
 _computedKey = 'c';
 class Foo {
   static {
-    [_init_a, _init_b, _init_computedKey] = babelHelpers.applyDecs2303(this, [[dec, 8, "a"], [dec, 8, "b"], [dec, 8, _computedKey]], []).e;
+    [_init_a, _init_b, _init_computedKey] = babelHelpers.applyDecs2305(this, [[dec, 8, "a"], [dec, 8, "b"], [dec, 8, _computedKey]], []).e;
   }
   static a = _init_a(this);
   static b = _init_b(this, 123);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/options.json
new file mode 100644
index 000000000000..90031fe8187a
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/options.json
@@ -0,0 +1,8 @@
+{
+  "plugins": [
+    ["proposal-decorators", { "version": "2023-05" }],
+    "proposal-class-properties",
+    "proposal-private-methods",
+    "proposal-class-static-block"
+  ]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/private/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/private/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/private/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/private/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/private/output.js
similarity index 88%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/private/output.js
index 8a330f603114..3d04c19d1698 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/private/output.js
@@ -17,6 +17,6 @@ class Foo {
 function _get_a() {
   return _call_a(this);
 }
-[_call_a, _initProto] = babelHelpers.applyDecs2303(Foo, [[dec, 3, "a", function () {
+[_call_a, _initProto] = babelHelpers.applyDecs2305(Foo, [[dec, 3, "a", function () {
   return this.value;
 }]], [], 0, _ => _a.has(babelHelpers.checkInRHS(_))).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/public/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/public/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/public/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/public/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/public/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/public/output.js
index 763867651958..81bc3aa71767 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/public/output.js
@@ -13,4 +13,4 @@ class Foo {
     return this.value;
   }
 }
-[_initProto] = babelHelpers.applyDecs2303(Foo, [[dec, 3, "a"], [dec, 3, _computedKey]], []).e;
+[_initProto] = babelHelpers.applyDecs2305(Foo, [[dec, 3, "a"], [dec, 3, _computedKey]], []).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/static-private/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/static-private/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/static-private/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/static-private/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/static-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/static-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/static-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/static-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/static-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/static-private/output.js
similarity index 85%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/static-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/static-private/output.js
index 3c4ec052328d..b12d94be3fb2 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/static-private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/static-private/output.js
@@ -13,7 +13,7 @@ var _a = {
   set: void 0
 };
 (() => {
-  [_call_a, _initStatic] = babelHelpers.applyDecs2303(Foo, [[dec, 11, "a", function () {
+  [_call_a, _initStatic] = babelHelpers.applyDecs2305(Foo, [[dec, 11, "a", function () {
     return this.value;
   }]], []).e;
   _initStatic(Foo);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/static-public/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/static-public/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/static-public/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/static-public/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/static-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/static-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/static-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/static-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/static-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/static-public/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/static-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/static-public/output.js
index d85f72267c4f..f3a99040dff7 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters--to-es2015/static-public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters--to-es2015/static-public/output.js
@@ -10,7 +10,7 @@ class Foo {
   }
 }
 (() => {
-  [_initStatic] = babelHelpers.applyDecs2303(Foo, [[dec, 11, "a"], [dec, 11, _computedKey]], []).e;
+  [_initStatic] = babelHelpers.applyDecs2305(Foo, [[dec, 11, "a"], [dec, 11, _computedKey]], []).e;
   _initStatic(Foo);
 })();
 babelHelpers.defineProperty(Foo, "value", 1);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/options.json
new file mode 100644
index 000000000000..90031fe8187a
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/options.json
@@ -0,0 +1,8 @@
+{
+  "plugins": [
+    ["proposal-decorators", { "version": "2023-05" }],
+    "proposal-class-properties",
+    "proposal-private-methods",
+    "proposal-class-static-block"
+  ]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/private/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/private/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/private/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/private/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/private/output.js
similarity index 91%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/private/output.js
index 385df14cddac..a8669c2bc544 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/private/output.js
@@ -23,7 +23,7 @@ function _get_a() {
 function _set_a(v) {
   _call_a2(this, v);
 }
-[_call_a, _call_a2, _initProto] = babelHelpers.applyDecs2303(Foo, [[dec, 3, "a", function () {
+[_call_a, _call_a2, _initProto] = babelHelpers.applyDecs2305(Foo, [[dec, 3, "a", function () {
   return this.value;
 }], [dec, 4, "a", function (v) {
   this.value = v;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/public/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/public/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/public/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/public/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/public/output.js
similarity index 88%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/public/output.js
index 8d381858681b..0a94d7d3a1af 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/public/output.js
@@ -20,4 +20,4 @@ class Foo {
     this.value = v;
   }
 }
-[_initProto] = babelHelpers.applyDecs2303(Foo, [[dec, 3, "a"], [dec, 4, "a"], [dec, 3, _computedKey], [dec, 4, _computedKey2]], []).e;
+[_initProto] = babelHelpers.applyDecs2305(Foo, [[dec, 3, "a"], [dec, 4, "a"], [dec, 3, _computedKey], [dec, 4, _computedKey2]], []).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/static-private/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/static-private/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/static-private/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/static-private/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/static-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/static-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/static-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/static-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/static-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/static-private/output.js
similarity index 90%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/static-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/static-private/output.js
index d74e35f45d5d..05a30c307f11 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/static-private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/static-private/output.js
@@ -19,7 +19,7 @@ var _a = {
   set: _set_a
 };
 (() => {
-  [_call_a, _call_a2, _initStatic] = babelHelpers.applyDecs2303(Foo, [[dec, 11, "a", function () {
+  [_call_a, _call_a2, _initStatic] = babelHelpers.applyDecs2305(Foo, [[dec, 11, "a", function () {
     return this.value;
   }], [dec, 12, "a", function (v) {
     this.value = v;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/static-public/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/static-public/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/static-public/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/static-public/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/static-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/static-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/static-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/static-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/static-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/static-public/output.js
similarity index 88%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/static-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/static-public/output.js
index f0dad4e9d5d1..2ad222223db6 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters--to-es2015/static-public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters--to-es2015/static-public/output.js
@@ -17,7 +17,7 @@ class Foo {
   }
 }
 (() => {
-  [_initStatic] = babelHelpers.applyDecs2303(Foo, [[dec, 11, "a"], [dec, 12, "a"], [dec, 11, _computedKey], [dec, 12, _computedKey2]], []).e;
+  [_initStatic] = babelHelpers.applyDecs2305(Foo, [[dec, 11, "a"], [dec, 12, "a"], [dec, 11, _computedKey], [dec, 12, _computedKey2]], []).e;
   _initStatic(Foo);
 })();
 babelHelpers.defineProperty(Foo, "value", 1);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/options.json
new file mode 100644
index 000000000000..15054fd05183
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": [["proposal-decorators", { "version": "2023-05" }]]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/private/output.js
similarity index 87%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/private/output.js
index efd554e85844..b1df32728c7f 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/private/output.js
@@ -2,7 +2,7 @@ var _call_a, _call_a2, _initProto;
 const dec = () => {};
 class Foo {
   static {
-    [_call_a, _call_a2, _initProto] = babelHelpers.applyDecs2303(this, [[dec, 3, "a", function () {
+    [_call_a, _call_a2, _initProto] = babelHelpers.applyDecs2305(this, [[dec, 3, "a", function () {
       return this.value;
     }], [dec, 4, "a", function (v) {
       this.value = v;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/public/output.js
similarity index 87%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/public/output.js
index 319f7189bd08..5e11ed318222 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/public/output.js
@@ -4,7 +4,7 @@ _computedKey = 'b';
 _computedKey2 = 'b';
 class Foo {
   static {
-    [_initProto] = babelHelpers.applyDecs2303(this, [[dec, 3, "a"], [dec, 4, "a"], [dec, 3, _computedKey], [dec, 4, _computedKey2]], []).e;
+    [_initProto] = babelHelpers.applyDecs2305(this, [[dec, 3, "a"], [dec, 4, "a"], [dec, 3, _computedKey], [dec, 4, _computedKey2]], []).e;
   }
   constructor(...args) {
     _initProto(this);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/static-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/static-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/static-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/static-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/static-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/static-private/output.js
similarity index 92%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/static-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/static-private/output.js
index 06fe9efca701..168ed643a964 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/static-private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/static-private/output.js
@@ -2,7 +2,7 @@ var _call_a, _call_a2, _initStatic;
 const dec = () => {};
 class Foo {
   static {
-    [_call_a, _call_a2, _initStatic] = babelHelpers.applyDecs2303(this, [[dec, 11, "a", function () {
+    [_call_a, _call_a2, _initStatic] = babelHelpers.applyDecs2305(this, [[dec, 11, "a", function () {
       return this.value;
     }], [dec, 12, "a", function (v) {
       this.value = v;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/static-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/static-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/static-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/static-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/static-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/static-public/output.js
similarity index 87%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/static-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/static-public/output.js
index edf6fda322a3..ca36aed1af62 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters-and-setters/static-public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters-and-setters/static-public/output.js
@@ -4,7 +4,7 @@ _computedKey = 'b';
 _computedKey2 = 'b';
 class Foo {
   static {
-    [_initStatic] = babelHelpers.applyDecs2303(this, [[dec, 11, "a"], [dec, 12, "a"], [dec, 11, _computedKey], [dec, 12, _computedKey2]], []).e;
+    [_initStatic] = babelHelpers.applyDecs2305(this, [[dec, 11, "a"], [dec, 12, "a"], [dec, 11, _computedKey], [dec, 12, _computedKey2]], []).e;
     _initStatic(this);
   }
   static value = 1;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/options.json
new file mode 100644
index 000000000000..15054fd05183
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": [["proposal-decorators", { "version": "2023-05" }]]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/private/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/private/output.js
index 090e373bbd1c..5f696817f78d 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/private/output.js
@@ -2,7 +2,7 @@ var _call_a, _initProto;
 const dec = () => {};
 class Foo {
   static {
-    [_call_a, _initProto] = babelHelpers.applyDecs2303(this, [[dec, 3, "a", function () {
+    [_call_a, _initProto] = babelHelpers.applyDecs2305(this, [[dec, 3, "a", function () {
       return this.value;
     }]], [], 0, _ => #a in _).e;
   }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/public/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/public/output.js
index f9255dccc6ec..95bd7ee3235e 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/public/output.js
@@ -3,7 +3,7 @@ const dec = () => {};
 _computedKey = 'b';
 class Foo {
   static {
-    [_initProto] = babelHelpers.applyDecs2303(this, [[dec, 3, "a"], [dec, 3, _computedKey]], []).e;
+    [_initProto] = babelHelpers.applyDecs2305(this, [[dec, 3, "a"], [dec, 3, _computedKey]], []).e;
   }
   constructor(...args) {
     _initProto(this);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/static-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/static-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/static-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/static-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/static-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/static-private/output.js
similarity index 81%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/static-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/static-private/output.js
index c151d554a936..e409b9a19438 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/static-private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/static-private/output.js
@@ -2,7 +2,7 @@ var _call_a, _initStatic;
 const dec = () => {};
 class Foo {
   static {
-    [_call_a, _initStatic] = babelHelpers.applyDecs2303(this, [[dec, 11, "a", function () {
+    [_call_a, _initStatic] = babelHelpers.applyDecs2305(this, [[dec, 11, "a", function () {
       return this.value;
     }]], []).e;
     _initStatic(this);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/static-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/static-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/static-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/static-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/static-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/static-public/output.js
similarity index 81%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/static-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/static-public/output.js
index 382348b31248..d924f9a613f3 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-getters/static-public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-getters/static-public/output.js
@@ -3,7 +3,7 @@ const dec = () => {};
 _computedKey = 'b';
 class Foo {
   static {
-    [_initStatic] = babelHelpers.applyDecs2303(this, [[dec, 11, "a"], [dec, 11, _computedKey]], []).e;
+    [_initStatic] = babelHelpers.applyDecs2305(this, [[dec, 11, "a"], [dec, 11, _computedKey]], []).e;
     _initStatic(this);
   }
   static value = 1;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/options.json
new file mode 100644
index 000000000000..90031fe8187a
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/options.json
@@ -0,0 +1,8 @@
+{
+  "plugins": [
+    ["proposal-decorators", { "version": "2023-05" }],
+    "proposal-class-properties",
+    "proposal-private-methods",
+    "proposal-class-static-block"
+  ]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/private-with-initializers/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/private-with-initializers/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/private-with-initializers/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/private-with-initializers/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/private/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/private/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/private/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/private/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/private/output.js
similarity index 88%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/private/output.js
index 26eed5e4f435..730d8deeefe1 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/private/output.js
@@ -14,6 +14,6 @@ class Foo {
     return babelHelpers.classPrivateFieldGet(this, _a).call(this);
   }
 }
-[_call_a, _initProto] = babelHelpers.applyDecs2303(Foo, [[dec, 2, "a", function () {
+[_call_a, _initProto] = babelHelpers.applyDecs2305(Foo, [[dec, 2, "a", function () {
   return this.value;
 }]], [], 0, _ => _a.has(babelHelpers.checkInRHS(_))).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/public-with-initializers/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/public-with-initializers/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/public-with-initializers/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/public-with-initializers/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/public/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/public/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/public/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/public/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/public/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/public/output.js
index 570adc92fb1a..8a4e58184d16 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/public/output.js
@@ -13,4 +13,4 @@ class Foo {
     return this.value;
   }
 }
-[_initProto] = babelHelpers.applyDecs2303(Foo, [[dec, 2, "a"], [dec, 2, _computedKey]], []).e;
+[_initProto] = babelHelpers.applyDecs2305(Foo, [[dec, 2, "a"], [dec, 2, _computedKey]], []).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-private-with-initializers/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-private-with-initializers/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-private-with-initializers/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-private-with-initializers/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-private/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-private/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-private/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-private/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-private/output.js
similarity index 84%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-private/output.js
index ac0ca1b4c3b5..9d80d32f442f 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-private/output.js
@@ -6,7 +6,7 @@ class Foo {
   }
 }
 (() => {
-  [_call_a, _initStatic] = babelHelpers.applyDecs2303(Foo, [[dec, 10, "a", function () {
+  [_call_a, _initStatic] = babelHelpers.applyDecs2305(Foo, [[dec, 10, "a", function () {
     return this.value;
   }]], []).e;
   _initStatic(Foo);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-public-with-initializers/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-public-with-initializers/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-public-with-initializers/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-public-with-initializers/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-public/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-public/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-public/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-public/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-public/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-public/output.js
index e9d13491fe3d..0aadaa343295 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods--to-es2015/static-public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods--to-es2015/static-public/output.js
@@ -10,7 +10,7 @@ class Foo {
   }
 }
 (() => {
-  [_initStatic] = babelHelpers.applyDecs2303(Foo, [[dec, 10, "a"], [dec, 10, _computedKey]], []).e;
+  [_initStatic] = babelHelpers.applyDecs2305(Foo, [[dec, 10, "a"], [dec, 10, _computedKey]], []).e;
   _initStatic(Foo);
 })();
 babelHelpers.defineProperty(Foo, "value", 1);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/options.json
new file mode 100644
index 000000000000..15054fd05183
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": [["proposal-decorators", { "version": "2023-05" }]]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/private/output.js
similarity index 81%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/private/output.js
index fa5f691bb4e4..1f2a2abb25d1 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/private/output.js
@@ -2,7 +2,7 @@ var _call_a, _initProto;
 const dec = () => {};
 class Foo {
   static {
-    [_call_a, _initProto] = babelHelpers.applyDecs2303(this, [[dec, 2, "a", function () {
+    [_call_a, _initProto] = babelHelpers.applyDecs2305(this, [[dec, 2, "a", function () {
       return this.value;
     }]], [], 0, _ => #a in _).e;
   }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/public/output.js
similarity index 81%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/public/output.js
index ecb55e9ba21f..08e57bbaf923 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/public/output.js
@@ -3,7 +3,7 @@ const dec = () => {};
 _computedKey = 'b';
 class Foo {
   static {
-    [_initProto] = babelHelpers.applyDecs2303(this, [[dec, 2, "a"], [dec, 2, _computedKey]], []).e;
+    [_initProto] = babelHelpers.applyDecs2305(this, [[dec, 2, "a"], [dec, 2, _computedKey]], []).e;
   }
   constructor(...args) {
     _initProto(this);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/static-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/static-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/static-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/static-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/static-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/static-private/output.js
similarity index 80%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/static-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/static-private/output.js
index be23a5c8f0bd..c1db8be452fc 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/static-private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/static-private/output.js
@@ -2,7 +2,7 @@ var _call_a, _initStatic;
 const dec = () => {};
 class Foo {
   static {
-    [_call_a, _initStatic] = babelHelpers.applyDecs2303(this, [[dec, 10, "a", function () {
+    [_call_a, _initStatic] = babelHelpers.applyDecs2305(this, [[dec, 10, "a", function () {
       return this.value;
     }]], []).e;
     _initStatic(this);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/static-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/static-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/static-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/static-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/static-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/static-public/output.js
similarity index 81%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/static-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/static-public/output.js
index f606920bdc0b..843617af4d3e 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-methods/static-public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-methods/static-public/output.js
@@ -3,7 +3,7 @@ const dec = () => {};
 _computedKey = 'b';
 class Foo {
   static {
-    [_initStatic] = babelHelpers.applyDecs2303(this, [[dec, 10, "a"], [dec, 10, _computedKey]], []).e;
+    [_initStatic] = babelHelpers.applyDecs2305(this, [[dec, 10, "a"], [dec, 10, _computedKey]], []).e;
     _initStatic(this);
   }
   static value = 1;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/class-and-method-decorators/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/class-and-method-decorators/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/class-and-method-decorators/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/class-and-method-decorators/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/class-and-property-decorators/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/class-and-property-decorators/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/class-and-property-decorators/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/class-and-property-decorators/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/decorator-evaluation-scope/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/decorator-evaluation-scope/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/decorator-evaluation-scope/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/decorator-evaluation-scope/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/initProto-existing-derived-constructor/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/initProto-existing-derived-constructor/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/initProto-existing-derived-constructor/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/initProto-existing-derived-constructor/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/initProto-existing-derived-constructor/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/initProto-existing-derived-constructor/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/initProto-existing-derived-constructor/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/initProto-existing-derived-constructor/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/initProto-existing-derived-constructor/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/initProto-existing-derived-constructor/output.js
similarity index 73%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/initProto-existing-derived-constructor/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/initProto-existing-derived-constructor/output.js
index 41f3d5c3604b..96026932df55 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/initProto-existing-derived-constructor/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/initProto-existing-derived-constructor/output.js
@@ -9,4 +9,4 @@ class A extends B {
   }
   method() {}
 }
-[_initProto] = babelHelpers.applyDecs2303(A, [[_dec, 2, "method"]], []).e;
+[_initProto] = babelHelpers.applyDecs2305(A, [[_dec, 2, "method"]], []).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/initializer-property-ignored/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/initializer-property-ignored/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/initializer-property-ignored/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/initializer-property-ignored/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/initializer-timing/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/initializer-timing/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/initializer-timing/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/initializer-timing/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/leaked-context-addInitializer-throw/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/leaked-context-addInitializer-throw/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/leaked-context-addInitializer-throw/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/leaked-context-addInitializer-throw/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/leaked-context-addInitializer/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/leaked-context-addInitializer/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/leaked-context-addInitializer/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/leaked-context-addInitializer/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/options.json
new file mode 100644
index 000000000000..90031fe8187a
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/options.json
@@ -0,0 +1,8 @@
+{
+  "plugins": [
+    ["proposal-decorators", { "version": "2023-05" }],
+    "proposal-class-properties",
+    "proposal-private-methods",
+    "proposal-class-static-block"
+  ]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/super-in-decorator/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/super-in-decorator/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/super-in-decorator/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/super-in-decorator/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/super-in-decorator/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/super-in-decorator/output.js
similarity index 85%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/super-in-decorator/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/super-in-decorator/output.js
index df26042793a7..b977fb657630 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/super-in-decorator/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/super-in-decorator/output.js
@@ -15,7 +15,7 @@ class A extends B {
     ({
       e: [_initProto],
       c: [_C, _initClass]
-    } = babelHelpers.applyDecs2303(C, [[[_obj2, _dec2], 18, "m2"]], [_obj, _dec], 1));
+    } = babelHelpers.applyDecs2305(C, [[[_obj2, _dec2], 18, "m2"]], [_obj, _dec], 1));
     _initClass();
   }
 }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/this/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/this/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/this/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/this/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/this/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/this/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/this/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/this/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/this/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/this/output.js
similarity index 90%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/this/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/this/output.js
index 4bc5ec015b5f..cbd9f3b7e277 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/this/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/this/output.js
@@ -21,5 +21,5 @@ class A {
 ({
   e: [_init_x, _init_y],
   c: [_A, _initClass]
-} = babelHelpers.applyDecs2303(A, [[[_obj3, _dec4, _obj4, _dec5], 16, "x"], [[_obj5, _dec6, void 0, _dec7], 16, "y"]], [_obj, _dec, void 0, _dec2, _obj2, _dec3], 1));
+} = babelHelpers.applyDecs2305(A, [[[_obj3, _dec4, _obj4, _dec5], 16, "x"], [[_obj5, _dec6, void 0, _dec7], 16, "y"]], [_obj, _dec, void 0, _dec2, _obj2, _dec3], 1));
 _initClass();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/valid-expression-formats/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/valid-expression-formats/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/valid-expression-formats/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/valid-expression-formats/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/valid-expression-formats/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/valid-expression-formats/output.js
similarity index 88%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/valid-expression-formats/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/valid-expression-formats/output.js
index fa98039e6116..7d5829ccd30b 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc--to-es2015/valid-expression-formats/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc--to-es2015/valid-expression-formats/output.js
@@ -27,11 +27,11 @@ class Foo {
       constructor() {
         babelHelpers.defineProperty(this, "bar", _init_bar(this));
       }
-    }, [_init_bar] = babelHelpers.applyDecs2303(_class, [[_dec9, 0, "bar"]], []).e, _class);
+    }, [_init_bar] = babelHelpers.applyDecs2305(_class, [[_dec9, 0, "bar"]], []).e, _class);
   }
 }
 ({
   e: [_initProto],
   c: [_Foo, _initClass]
-} = babelHelpers.applyDecs2303(Foo, [[[void 0, dec, void 0, _dec5, void 0, _dec6, void 0, _dec7, _obj2, _dec8], 18, "method"]], [void 0, dec, void 0, _dec, void 0, _dec2, void 0, _dec3, _obj, _dec4], 1));
+} = babelHelpers.applyDecs2305(Foo, [[[void 0, dec, void 0, _dec5, void 0, _dec6, void 0, _dec7, _obj2, _dec8], 18, "method"]], [void 0, dec, void 0, _dec, void 0, _dec2, void 0, _dec3, _obj, _dec4], 1));
 _initClass();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/all-decorators/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/all-decorators/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/all-decorators/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/all-decorators/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/all-decorators/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/all-decorators/output.js
similarity index 97%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/all-decorators/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/all-decorators/output.js
index 77ccc56af3af..f72010c74a38 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/all-decorators/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/all-decorators/output.js
@@ -8,7 +8,7 @@ new class extends babelHelpers.identity {
         ({
           e: [_init_m, _call_o, _call_p, _call_q, _init_r, _get_r, _set_r, _init_d, _call_f, _call_g, _call_g2, _init_h, _get_h, _set_h, _init_i, _init_n, _init_a, _init_e, _initProto, _initStatic],
           c: [_Class, _initClass]
-        } = babelHelpers.applyDecs2303(this, [[dec, 10, "j"], [dec, 11, "k"], [dec, 12, "l"], [dec, 9, "m"], [dec, 10, "o", function () {}], [dec, 11, "p", function () {}], [dec, 12, "q", function (v) {}], [dec, 9, "r", o => o.#D, (o, v) => o.#D = v], [dec, 2, "b"], [dec, 3, "c"], [dec, 4, "c"], [dec, 1, "d"], [dec, 2, "f", function () {}], [dec, 3, "g", function () {}], [dec, 4, "g", function (v) {}], [dec, 1, "h", o => o.#B, (o, v) => o.#B = v], [dec, 8, "i"], [dec, 8, "n", o => o.#n, (o, v) => o.#n = v], [dec, 0, "a"], [dec, 0, "e", o => o.#e, (o, v) => o.#e = v]], [dec], 0, _ => #e in _));
+        } = babelHelpers.applyDecs2305(this, [[dec, 10, "j"], [dec, 11, "k"], [dec, 12, "l"], [dec, 9, "m"], [dec, 10, "o", function () {}], [dec, 11, "p", function () {}], [dec, 12, "q", function (v) {}], [dec, 9, "r", o => o.#D, (o, v) => o.#D = v], [dec, 2, "b"], [dec, 3, "c"], [dec, 4, "c"], [dec, 1, "d"], [dec, 2, "f", function () {}], [dec, 3, "g", function () {}], [dec, 4, "g", function (v) {}], [dec, 1, "h", o => o.#B, (o, v) => o.#B = v], [dec, 8, "i"], [dec, 8, "n", o => o.#n, (o, v) => o.#n = v], [dec, 0, "a"], [dec, 0, "e", o => o.#e, (o, v) => o.#e = v]], [dec], 0, _ => #e in _));
         _initStatic(this);
       }
       #f = _call_f;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/decorator-evaluation-scope/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/decorator-evaluation-scope/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/decorator-evaluation-scope/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/decorator-evaluation-scope/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/decorator-evaluation-scope/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/decorator-evaluation-scope/options.json
similarity index 61%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/decorator-evaluation-scope/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/decorator-evaluation-scope/options.json
index fa55e7652b1a..c70512252968 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/decorator-evaluation-scope/options.json
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/decorator-evaluation-scope/options.json
@@ -1,6 +1,6 @@
 {
   "plugins": [
-    ["proposal-decorators", { "version": "2023-03" }],
+    ["proposal-decorators", { "version": "2023-05" }],
     "proposal-class-static-block"
   ],
   "minNodeVersion": "12.0.0"
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/initProto-existing-derived-constructor-multiple-super/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/initProto-existing-derived-constructor-multiple-super/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/initProto-existing-derived-constructor-multiple-super/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/initProto-existing-derived-constructor-multiple-super/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/initProto-existing-derived-constructor-multiple-super/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/initProto-existing-derived-constructor-multiple-super/output.js
similarity index 78%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/initProto-existing-derived-constructor-multiple-super/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/initProto-existing-derived-constructor-multiple-super/output.js
index e90a08e474bd..6ad6fa2fe920 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/initProto-existing-derived-constructor-multiple-super/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/initProto-existing-derived-constructor-multiple-super/output.js
@@ -3,7 +3,7 @@ const dec = () => {};
 _dec = deco;
 class A extends B {
   static {
-    [_initProto] = babelHelpers.applyDecs2303(this, [[_dec, 2, "method"]], []).e;
+    [_initProto] = babelHelpers.applyDecs2305(this, [[_dec, 2, "method"]], []).e;
   }
   constructor() {
     if (Math.random() > 0.5) {
@@ -17,7 +17,7 @@ class A extends B {
 _dec2 = deco;
 class C extends B {
   static {
-    [_initProto2] = babelHelpers.applyDecs2303(this, [[_dec2, 2, "method"]], []).e;
+    [_initProto2] = babelHelpers.applyDecs2305(this, [[_dec2, 2, "method"]], []).e;
   }
   constructor() {
     try {
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/initProto-existing-derived-constructor/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/initProto-existing-derived-constructor/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/initProto-existing-derived-constructor/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/initProto-existing-derived-constructor/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/initProto-existing-derived-constructor/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/initProto-existing-derived-constructor/output.js
similarity index 73%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/initProto-existing-derived-constructor/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/initProto-existing-derived-constructor/output.js
index e20913dffe63..b28d62844d7c 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/initProto-existing-derived-constructor/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/initProto-existing-derived-constructor/output.js
@@ -2,7 +2,7 @@ var _initProto;
 const dec = () => {};
 class A extends B {
   static {
-    [_initProto] = babelHelpers.applyDecs2303(this, [[dec, 2, "method"]], []).e;
+    [_initProto] = babelHelpers.applyDecs2305(this, [[dec, 2, "method"]], []).e;
   }
   constructor() {
     let a = 2;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/initializer-property-ignored/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/initializer-property-ignored/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/initializer-property-ignored/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/initializer-property-ignored/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/initializer-property-ignored/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/initializer-property-ignored/options.json
similarity index 61%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/initializer-property-ignored/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/initializer-property-ignored/options.json
index fa55e7652b1a..c70512252968 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/initializer-property-ignored/options.json
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/initializer-property-ignored/options.json
@@ -1,6 +1,6 @@
 {
   "plugins": [
-    ["proposal-decorators", { "version": "2023-03" }],
+    ["proposal-decorators", { "version": "2023-05" }],
     "proposal-class-static-block"
   ],
   "minNodeVersion": "12.0.0"
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/options.json
new file mode 100644
index 000000000000..15054fd05183
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": [["proposal-decorators", { "version": "2023-05" }]]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/private-keys-in-enclosing-class/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/private-keys-in-enclosing-class/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/private-keys-in-enclosing-class/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/private-keys-in-enclosing-class/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/private-keys-in-enclosing-class/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/private-keys-in-enclosing-class/output.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/private-keys-in-enclosing-class/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/private-keys-in-enclosing-class/output.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-array-pattern/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-array-pattern/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-array-pattern/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-array-pattern/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-array-pattern/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-array-pattern/options.json
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-array-pattern/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-array-pattern/options.json
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-for-of/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-for-of/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-for-of/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-for-of/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-for-of/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-for-of/options.json
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-for-of/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-for-of/options.json
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-object-pattern/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-object-pattern/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-object-pattern/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-object-pattern/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-object-pattern/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-object-pattern/options.json
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-object-pattern/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-object-pattern/options.json
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-rest/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-rest/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-rest/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-rest/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-rest/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-rest/options.json
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-rest/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-rest/options.json
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-update/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-update/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-update/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-update/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-update/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-update/options.json
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method-via-update/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method-via-update/options.json
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method/options.json
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/setting-private-method/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/setting-private-method/options.json
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-decorator/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-decorator/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-decorator/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-decorator/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-decorator/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-decorator/output.js
similarity index 87%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-decorator/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-decorator/output.js
index 544fc2f8c916..04a2be72ff77 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-decorator/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-decorator/output.js
@@ -11,7 +11,7 @@ class A extends B {
         ({
           e: [_initProto],
           c: [_C, _initClass]
-        } = babelHelpers.applyDecs2303(this, [[[_obj2, _dec2], 18, "m2"]], [_obj, _dec], 1));
+        } = babelHelpers.applyDecs2305(this, [[[_obj2, _dec2], 18, "m2"]], [_obj, _dec], 1));
       }
       constructor(...args) {
         _initProto(this);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-nested-constructor-expression/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-nested-constructor-expression/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-nested-constructor-expression/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-nested-constructor-expression/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-nested-constructor-expression/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-nested-constructor-expression/output.js
similarity index 73%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-nested-constructor-expression/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-nested-constructor-expression/output.js
index da70eb6e4869..267564aaae78 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-nested-constructor-expression/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-nested-constructor-expression/output.js
@@ -3,7 +3,7 @@ const dec = () => {};
 let _Foo;
 class Foo extends Bar {
   static {
-    [_Foo, _initClass] = babelHelpers.applyDecs2303(this, [], [dec]).c;
+    [_Foo, _initClass] = babelHelpers.applyDecs2305(this, [], [dec]).c;
   }
   constructor() {
     let foo = super();
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-private-accessor/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-private-accessor/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-private-accessor/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-private-accessor/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-private-accessor/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-private-accessor/output.js
similarity index 84%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-private-accessor/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-private-accessor/output.js
index c7de91d2c094..cc2ef8ee435f 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-private-accessor/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-private-accessor/output.js
@@ -2,7 +2,7 @@ var _call_x, _initProto;
 const dec = () => {};
 class Foo extends Bar {
   static {
-    [_call_x, _initProto] = babelHelpers.applyDecs2303(this, [[dec, 3, "x", function () {
+    [_call_x, _initProto] = babelHelpers.applyDecs2305(this, [[dec, 3, "x", function () {
       return babelHelpers.get(babelHelpers.getPrototypeOf(Foo), "foo", this).call(this);
     }]], [], 0, _ => #x in _).e;
   }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-private-method/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-private-method/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-private-method/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-private-method/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-private-method/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-private-method/output.js
similarity index 83%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-private-method/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-private-method/output.js
index 7f76ac041fb8..1a370c02ff33 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/super-in-private-method/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/super-in-private-method/output.js
@@ -2,7 +2,7 @@ var _call_x, _initProto;
 const dec = () => {};
 class Foo extends Bar {
   static {
-    [_call_x, _initProto] = babelHelpers.applyDecs2303(this, [[dec, 2, "x", function () {
+    [_call_x, _initProto] = babelHelpers.applyDecs2305(this, [[dec, 2, "x", function () {
       return babelHelpers.get(babelHelpers.getPrototypeOf(Foo), "foo", this).call(this);
     }]], [], 0, _ => #x in _).e;
   }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/this/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/this/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/this/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/this/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/this/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/this/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/this/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/this/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/this/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/this/options.json
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/this/options.json
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/this/options.json
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/this/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/this/output.js
similarity index 90%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/this/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/this/output.js
index 6e35346d25da..cc5c62df7399 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/this/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/this/output.js
@@ -17,7 +17,7 @@ class A {
     ({
       e: [_init_x, _init_y],
       c: [_A, _initClass]
-    } = babelHelpers.applyDecs2303(this, [[[_obj3, _dec4, _obj4, _dec5], 16, "x"], [[_obj5, _dec6, void 0, _dec7], 16, "y"]], [_obj, _dec, void 0, _dec2, _obj2, _dec3], 1));
+    } = babelHelpers.applyDecs2305(this, [[[_obj3, _dec4, _obj4, _dec5], 16, "x"], [[_obj5, _dec6, void 0, _dec7], 16, "y"]], [_obj, _dec, void 0, _dec2, _obj2, _dec3], 1));
   }
   x = _init_x(this);
   y = _init_y(this);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/valid-expression-formats/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/valid-expression-formats/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/valid-expression-formats/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/valid-expression-formats/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/valid-expression-formats/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/valid-expression-formats/output.js
similarity index 87%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/valid-expression-formats/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/valid-expression-formats/output.js
index 8a1c97c12e02..3bb5e2ef71f6 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-misc/valid-expression-formats/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-misc/valid-expression-formats/output.js
@@ -16,7 +16,7 @@ class Foo {
     ({
       e: [_initProto],
       c: [_Foo, _initClass]
-    } = babelHelpers.applyDecs2303(this, [[[void 0, dec, void 0, _dec5, void 0, _dec6, void 0, _dec7, _obj2, _dec8], 18, "method"]], [void 0, dec, void 0, _dec, void 0, _dec2, void 0, _dec3, _obj, _dec4], 1));
+    } = babelHelpers.applyDecs2305(this, [[[void 0, dec, void 0, _dec5, void 0, _dec6, void 0, _dec7, _obj2, _dec8], 18, "method"]], [void 0, dec, void 0, _dec, void 0, _dec2, void 0, _dec3, _obj, _dec4], 1));
   }
   constructor(...args) {
     _initProto(this);
@@ -27,7 +27,7 @@ class Foo {
     var _obj3, _dec9, _init_bar;
     return _obj3 = this, _dec9 = this.#a, class Nested {
       static {
-        [_init_bar] = babelHelpers.applyDecs2303(this, [[[_obj3, _dec9], 16, "bar"]], []).e;
+        [_init_bar] = babelHelpers.applyDecs2305(this, [[[_obj3, _dec9], 16, "bar"]], []).e;
       }
       bar = _init_bar(this);
     };
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/accessor-initializers-fields/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/accessor-initializers-fields/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/accessor-initializers-fields/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/accessor-initializers-fields/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/accessor-initializers-setters/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/accessor-initializers-setters/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/accessor-initializers-setters/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/accessor-initializers-setters/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/accessor-method-initializers/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/accessor-method-initializers/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/accessor-method-initializers/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/accessor-method-initializers/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/accessor-static-accessor-initializers/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/accessor-static-accessor-initializers/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/accessor-static-accessor-initializers/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/accessor-static-accessor-initializers/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/accessor-static-method-initializers/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/accessor-static-method-initializers/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/accessor-static-method-initializers/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/accessor-static-method-initializers/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/field-initializers-after-methods/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/field-initializers-after-methods/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/field-initializers-after-methods/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/field-initializers-after-methods/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/field/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/field/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/field/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/field/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/initializers/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/initializers/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/initializers/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/initializers/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/options.json
new file mode 100644
index 000000000000..90031fe8187a
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/options.json
@@ -0,0 +1,8 @@
+{
+  "plugins": [
+    ["proposal-decorators", { "version": "2023-05" }],
+    "proposal-class-properties",
+    "proposal-private-methods",
+    "proposal-class-static-block"
+  ]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/static-accessor-method-initializers/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/static-accessor-method-initializers/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/static-accessor-method-initializers/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/static-accessor-method-initializers/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/static-field-initializers-after-methods/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/static-field-initializers-after-methods/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering--to-es2015/static-field-initializers-after-methods/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering--to-es2015/static-field-initializers-after-methods/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/accessor-initializers-fields/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/accessor-initializers-fields/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/accessor-initializers-fields/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/accessor-initializers-fields/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/accessor-initializers-setters/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/accessor-initializers-setters/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/accessor-initializers-setters/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/accessor-initializers-setters/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/accessor-method-initializers/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/accessor-method-initializers/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/accessor-method-initializers/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/accessor-method-initializers/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/accessor-static-accessor-initializers/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/accessor-static-accessor-initializers/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/accessor-static-accessor-initializers/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/accessor-static-accessor-initializers/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/accessor-static-method-initializers/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/accessor-static-method-initializers/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/accessor-static-method-initializers/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/accessor-static-method-initializers/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/field-initializers-after-methods/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/field-initializers-after-methods/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/field-initializers-after-methods/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/field-initializers-after-methods/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/field/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/field/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/field/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/field/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/initializers/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/initializers/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/initializers/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/initializers/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/options.json
new file mode 100644
index 000000000000..480fe17629b4
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/options.json
@@ -0,0 +1,4 @@
+{
+  "plugins": [["proposal-decorators", { "version": "2023-05" }]],
+  "minNodeVersion": "16.11.0"
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/static-accessor-method-initializers/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/static-accessor-method-initializers/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/static-accessor-method-initializers/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/static-accessor-method-initializers/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/static-field-initializers-after-methods/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/static-field-initializers-after-methods/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-ordering/static-field-initializers-after-methods/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-ordering/static-field-initializers-after-methods/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/invalid-accessor-decorator-return/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/invalid-accessor-decorator-return/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/invalid-accessor-decorator-return/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/invalid-accessor-decorator-return/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/invalid-add-initializer/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/invalid-add-initializer/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/invalid-add-initializer/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/invalid-add-initializer/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/invalid-class-decorator-return/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/invalid-class-decorator-return/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/invalid-class-decorator-return/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/invalid-class-decorator-return/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/invalid-field-decorator-return/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/invalid-field-decorator-return/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/invalid-field-decorator-return/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/invalid-field-decorator-return/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/invalid-getter-decorator-return/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/invalid-getter-decorator-return/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/invalid-getter-decorator-return/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/invalid-getter-decorator-return/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/invalid-method-decorator-return/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/invalid-method-decorator-return/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/invalid-method-decorator-return/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/invalid-method-decorator-return/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/invalid-setter-decorator-return/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/invalid-setter-decorator-return/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-runtime-errors--to-es2015/invalid-setter-decorator-return/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/invalid-setter-decorator-return/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/options.json
new file mode 100644
index 000000000000..90031fe8187a
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-runtime-errors--to-es2015/options.json
@@ -0,0 +1,8 @@
+{
+  "plugins": [
+    ["proposal-decorators", { "version": "2023-05" }],
+    "proposal-class-properties",
+    "proposal-private-methods",
+    "proposal-class-static-block"
+  ]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/options.json
new file mode 100644
index 000000000000..90031fe8187a
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/options.json
@@ -0,0 +1,8 @@
+{
+  "plugins": [
+    ["proposal-decorators", { "version": "2023-05" }],
+    "proposal-class-properties",
+    "proposal-private-methods",
+    "proposal-class-static-block"
+  ]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/private/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/private/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/private/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/private/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/private/output.js
similarity index 88%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/private/output.js
index 2cd3cf38d5e4..bbe10fb4677a 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/private/output.js
@@ -17,6 +17,6 @@ class Foo {
 function _set_a(v) {
   _call_a(this, v);
 }
-[_call_a, _initProto] = babelHelpers.applyDecs2303(Foo, [[dec, 4, "a", function (v) {
+[_call_a, _initProto] = babelHelpers.applyDecs2305(Foo, [[dec, 4, "a", function (v) {
   return this.value = v;
 }]], [], 0, _ => _a.has(babelHelpers.checkInRHS(_))).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/public/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/public/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/public/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/public/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/public/output.js
similarity index 83%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/public/output.js
index 48da3f7bfcfb..41cd48423ff5 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/public/output.js
@@ -13,4 +13,4 @@ class Foo {
     return this.value = v;
   }
 }
-[_initProto] = babelHelpers.applyDecs2303(Foo, [[dec, 4, "a"], [dec, 4, _computedKey]], []).e;
+[_initProto] = babelHelpers.applyDecs2305(Foo, [[dec, 4, "a"], [dec, 4, _computedKey]], []).e;
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/static-private/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/static-private/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/static-private/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/static-private/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/static-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/static-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/static-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/static-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/static-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/static-private/output.js
similarity index 85%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/static-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/static-private/output.js
index ae469ad44203..cc884c193f4d 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/static-private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/static-private/output.js
@@ -13,7 +13,7 @@ var _a = {
   set: _set_a
 };
 (() => {
-  [_call_a, _initStatic] = babelHelpers.applyDecs2303(Foo, [[dec, 12, "a", function (v) {
+  [_call_a, _initStatic] = babelHelpers.applyDecs2305(Foo, [[dec, 12, "a", function (v) {
     return this.value = v;
   }]], []).e;
   _initStatic(Foo);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/static-public/exec.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/static-public/exec.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/static-public/exec.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/static-public/exec.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/static-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/static-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/static-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/static-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/static-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/static-public/output.js
similarity index 83%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/static-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/static-public/output.js
index a49448d428ef..b035cd37ae2c 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters--to-es2015/static-public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters--to-es2015/static-public/output.js
@@ -10,7 +10,7 @@ class Foo {
   }
 }
 (() => {
-  [_initStatic] = babelHelpers.applyDecs2303(Foo, [[dec, 12, "a"], [dec, 12, _computedKey]], []).e;
+  [_initStatic] = babelHelpers.applyDecs2305(Foo, [[dec, 12, "a"], [dec, 12, _computedKey]], []).e;
   _initStatic(Foo);
 })();
 babelHelpers.defineProperty(Foo, "value", 1);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/options.json b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/options.json
new file mode 100644
index 000000000000..15054fd05183
--- /dev/null
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": [["proposal-decorators", { "version": "2023-05" }]]
+}
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/private/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/private/output.js
index 267191900af3..73a6d735335e 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/private/output.js
@@ -2,7 +2,7 @@ var _call_a, _initProto;
 const dec = () => {};
 class Foo {
   static {
-    [_call_a, _initProto] = babelHelpers.applyDecs2303(this, [[dec, 4, "a", function (v) {
+    [_call_a, _initProto] = babelHelpers.applyDecs2305(this, [[dec, 4, "a", function (v) {
       return this.value = v;
     }]], [], 0, _ => #a in _).e;
   }
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/public/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/public/output.js
index 5fea5ec2b8cb..1af777204389 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/public/output.js
@@ -3,7 +3,7 @@ const dec = () => {};
 _computedKey = 'b';
 class Foo {
   static {
-    [_initProto] = babelHelpers.applyDecs2303(this, [[dec, 4, "a"], [dec, 4, _computedKey]], []).e;
+    [_initProto] = babelHelpers.applyDecs2305(this, [[dec, 4, "a"], [dec, 4, _computedKey]], []).e;
   }
   constructor(...args) {
     _initProto(this);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/static-private/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/static-private/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/static-private/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/static-private/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/static-private/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/static-private/output.js
similarity index 81%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/static-private/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/static-private/output.js
index 8514769ec2a3..201e9f0463bf 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/static-private/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/static-private/output.js
@@ -2,7 +2,7 @@ var _call_a, _initStatic;
 const dec = () => {};
 class Foo {
   static {
-    [_call_a, _initStatic] = babelHelpers.applyDecs2303(this, [[dec, 12, "a", function (v) {
+    [_call_a, _initStatic] = babelHelpers.applyDecs2305(this, [[dec, 12, "a", function (v) {
       return this.value = v;
     }]], []).e;
     _initStatic(this);
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/static-public/input.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/static-public/input.js
similarity index 100%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/static-public/input.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/static-public/input.js
diff --git a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/static-public/output.js b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/static-public/output.js
similarity index 82%
rename from packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/static-public/output.js
rename to packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/static-public/output.js
index 1b2f3ed16969..fdb2ec3a0d61 100644
--- a/packages/babel-plugin-proposal-decorators/test/fixtures/2023-03-setters/static-public/output.js
+++ b/packages/babel-plugin-proposal-decorators/test/fixtures/2023-05-setters/static-public/output.js
@@ -3,7 +3,7 @@ const dec = () => {};
 _computedKey = 'b';
 class Foo {
   static {
-    [_initStatic] = babelHelpers.applyDecs2303(this, [[dec, 12, "a"], [dec, 12, _computedKey]], []).e;
+    [_initStatic] = babelHelpers.applyDecs2305(this, [[dec, 12, "a"], [dec, 12, _computedKey]], []).e;
     _initStatic(this);
   }
   static value = 1;
diff --git a/packages/babel-plugin-syntax-decorators/src/index.ts b/packages/babel-plugin-syntax-decorators/src/index.ts
index 1fe36fb7658e..992ff5b8a33e 100644
--- a/packages/babel-plugin-syntax-decorators/src/index.ts
+++ b/packages/babel-plugin-syntax-decorators/src/index.ts
@@ -10,7 +10,7 @@ export interface Options {
     | "2021-12"
     | "2022-03"
     | "2023-01"
-    | "2023-03";
+    | "2023-05";
   // TODO(Babel 8): Remove
   decoratorsBeforeExport?: boolean;
 }
@@ -24,11 +24,11 @@ export default declare((api, options: Options) => {
     if (version === undefined) {
       throw new Error(
         "The decorators plugin requires a 'version' option, whose value must be one of: " +
-          "'2023-03', '2023-01', '2022-03', '2021-12', '2018-09', or 'legacy'.",
+          "'2023-05', '2023-01', '2022-03', '2021-12', '2018-09', or 'legacy'.",
       );
     }
     if (
-      version !== "2023-03" &&
+      version !== "2023-05" &&
       version !== "2023-01" &&
       version !== "2022-03" &&
       version !== "2021-12" &&
@@ -63,7 +63,7 @@ export default declare((api, options: Options) => {
     if (version === undefined) {
       version = legacy ? "legacy" : "2018-09";
     } else if (
-      version !== "2023-03" &&
+      version !== "2023-05" &&
       version !== "2023-01" &&
       version !== "2022-03" &&
       version !== "2021-12" &&
@@ -112,7 +112,7 @@ export default declare((api, options: Options) => {
           "decoratorAutoAccessors",
         );
       } else {
-        if (version === "2023-01" || version === "2023-03") {
+        if (version === "2023-01" || version === "2023-05") {
           parserOpts.plugins.push(
             ["decorators", { allowCallParenthesized: false }],
             "decoratorAutoAccessors",
diff --git a/packages/babel-runtime-corejs2/package.json b/packages/babel-runtime-corejs2/package.json
index 2262a1c7eb89..724ff204671a 100644
--- a/packages/babel-runtime-corejs2/package.json
+++ b/packages/babel-runtime-corejs2/package.json
@@ -72,15 +72,15 @@
       "./helpers/applyDecs2301.js"
     ],
     "./helpers/esm/applyDecs2301": "./helpers/esm/applyDecs2301.js",
-    "./helpers/applyDecs2303": [
+    "./helpers/applyDecs2305": [
       {
-        "node": "./helpers/applyDecs2303.js",
-        "import": "./helpers/esm/applyDecs2303.js",
-        "default": "./helpers/applyDecs2303.js"
+        "node": "./helpers/applyDecs2305.js",
+        "import": "./helpers/esm/applyDecs2305.js",
+        "default": "./helpers/applyDecs2305.js"
       },
-      "./helpers/applyDecs2303.js"
+      "./helpers/applyDecs2305.js"
     ],
-    "./helpers/esm/applyDecs2303": "./helpers/esm/applyDecs2303.js",
+    "./helpers/esm/applyDecs2305": "./helpers/esm/applyDecs2305.js",
     "./helpers/asyncGeneratorDelegate": [
       {
         "node": "./helpers/asyncGeneratorDelegate.js",
diff --git a/packages/babel-runtime-corejs3/package.json b/packages/babel-runtime-corejs3/package.json
index ef1ce7966ae9..265d9ac5f488 100644
--- a/packages/babel-runtime-corejs3/package.json
+++ b/packages/babel-runtime-corejs3/package.json
@@ -71,15 +71,15 @@
       "./helpers/applyDecs2301.js"
     ],
     "./helpers/esm/applyDecs2301": "./helpers/esm/applyDecs2301.js",
-    "./helpers/applyDecs2303": [
+    "./helpers/applyDecs2305": [
       {
-        "node": "./helpers/applyDecs2303.js",
-        "import": "./helpers/esm/applyDecs2303.js",
-        "default": "./helpers/applyDecs2303.js"
+        "node": "./helpers/applyDecs2305.js",
+        "import": "./helpers/esm/applyDecs2305.js",
+        "default": "./helpers/applyDecs2305.js"
       },
-      "./helpers/applyDecs2303.js"
+      "./helpers/applyDecs2305.js"
     ],
-    "./helpers/esm/applyDecs2303": "./helpers/esm/applyDecs2303.js",
+    "./helpers/esm/applyDecs2305": "./helpers/esm/applyDecs2305.js",
     "./helpers/asyncGeneratorDelegate": [
       {
         "node": "./helpers/asyncGeneratorDelegate.js",
diff --git a/packages/babel-runtime/package.json b/packages/babel-runtime/package.json
index ced5ec6d9693..5d5cad35bee3 100644
--- a/packages/babel-runtime/package.json
+++ b/packages/babel-runtime/package.json
@@ -71,15 +71,15 @@
       "./helpers/applyDecs2301.js"
     ],
     "./helpers/esm/applyDecs2301": "./helpers/esm/applyDecs2301.js",
-    "./helpers/applyDecs2303": [
+    "./helpers/applyDecs2305": [
       {
-        "node": "./helpers/applyDecs2303.js",
-        "import": "./helpers/esm/applyDecs2303.js",
-        "default": "./helpers/applyDecs2303.js"
+        "node": "./helpers/applyDecs2305.js",
+        "import": "./helpers/esm/applyDecs2305.js",
+        "default": "./helpers/applyDecs2305.js"
       },
-      "./helpers/applyDecs2303.js"
+      "./helpers/applyDecs2305.js"
     ],
-    "./helpers/esm/applyDecs2303": "./helpers/esm/applyDecs2303.js",
+    "./helpers/esm/applyDecs2305": "./helpers/esm/applyDecs2305.js",
     "./helpers/asyncGeneratorDelegate": [
       {
         "node": "./helpers/asyncGeneratorDelegate.js",