3.37.0 - 2024.04.17

• Changes v3.36.1...v3.37.0
• New Set methods proposal:
  • Built-ins:
    • Set.prototype.intersection
    • Set.prototype.union
    • Set.prototype.difference
    • Set.prototype.symmetricDifference
    • Set.prototype.isSubsetOf
    • Set.prototype.isSupersetOf
    • Set.prototype.isDisjointFrom
  • Moved to stable ES, April 2024 TC39 meeting
  • Added es. namespace modules, /es/ and /stable/ namespaces entries
• Explicit Resource Management stage 3 proposal
  • Some minor updates like explicit-resource-management/217
• Added Math.sumPrecise stage 2.7 proposal:
  • Built-ins:
    • Math.sumPrecise
• Promise.try proposal:
  • Built-ins:
    • Promise.try
  • Added optional arguments support, promise-try/16
  • Moved to stage 2.7, April 2024 TC39 meeting
• RegExp.escape stage 2 proposal:
  • Moved to hex-escape semantics, regex-escaping/67
    • It's not the final change of the way of escaping, waiting for regex-escaping/77 soon
• Pattern matching stage 1 proposal:
  • Built-ins:
    • Symbol.customMatcher
  • Once again, the used well-known symbol was renamed
  • Added new entries for that
• Added Extractors stage 1 proposal:
  • Built-ins:
    • Symbol.customMatcher
  • Since the Symbol.customMatcher well-known symbol from the pattern matching proposal is also used in the exactors proposal, added an entry also for this proposal
• Added URL.parse, url/825
• Engines bugs fixes:
  • Added a fix of Safari { Object, Map }.groupBy bug that does not support iterable primitives
  • Added a fix of Safari bug with double call of constructor in Array.fromAsync
• Compat data improvements:
  • URL.parse added and marked as supported from FF 126
  • URL.parse added and marked as supported from Bun 1.1.4
  • URL.canParse fixed and marked as supported from Bun 1.1.0
  • New Set methods fixed in JavaScriptCore and marked as supported from Bun 1.1.1
  • Added Opera Android 82 compat data mapping

3.36.1 - 2024.03.19

• Changes v3.36.0...v3.36.1
• Fixed some validation cases in Object.setPrototypeOf, #1329, thanks @minseok-choe
• Fixed the order of validations in Array.from, #1331, thanks @minseok-choe
• Added a fix of Bun queueMicrotask arity
• Added a fix of Bun URL.canParse arity
• Added a fix of Bun SuppressedError extra arguments support and arity
• Compat data improvements:
  • value argument of URLSearchParams.prototype.{ has, delete } marked as supported from Bun 1.0.31
  • Added React Native 0.74 Hermes compat data, Array.prototype.{ toSpliced, toReversed, with } and atob marked as supported
  • Added Deno 1.41.3 compat data mapping
  • Added Opera Android 81 compat data mapping
  • Added Samsung Internet 25 compat data mapping
  • Added Oculus Quest Browser 32 compat data mapping
  • Updated Electron 30 compat data mapping

3.36.0 - 2024.02.14

• ArrayBuffer.prototype.transfer and friends proposal:
  • Built-ins:
    • ArrayBuffer.prototype.detached
    • ArrayBuffer.prototype.transfer
    • ArrayBuffer.prototype.transferToFixedLength
  • Moved to stable ES, Febrary 2024 TC39 meeting
  • Added es. namespace modules, /es/ and /stable/ namespaces entries
• Uint8Array to / from base64 and hex proposal:
  • Methods:
    • Uint8Array.fromBase64
    • Uint8Array.fromHex
    • Uint8Array.prototype.toBase64
    • Uint8Array.prototype.toHex
  • Moved to stage 3, Febrary 2024 TC39 meeting
  • Added /actual/ namespace entries
  • Skipped adding new methods of writing to existing arrays to clarification some moments
• Promise.try proposal has been resurrected and moved to stage 2, Febrary 2024 TC39 meeting
• Added an entry point for the new TC39 proposals stage - core-js/stage/2.7 - still empty
• Fixed regression in Set.prototype.intersection feature detection
• Fixed a missed check in Array.prototype.{ indexOf, lastIndexOf, includes }, #1325, thanks @minseok-choe
• Fixed a missed check in Array.prototype.{ reduce, reduceRight }, #1327, thanks @minseok-choe
• Fixed Array.from and some other methods with proxy targets, #1322, thanks @minseok-choe
• Fixed dependencies loading for modules from ArrayBuffer.prototype.transfer and friends proposal in some specific cases in IE10-
• Dropped context workaround from collection static methods entries since with current methods semantic it's no longer required
• Added instance methods polyfills to entries of collections static methods that produce collection instances
• Added missed Date.prototype.toJSON to JSON.stringify entries dependencies
• Added debugging info in some missed cases
• Compat data improvements:
  • { Map, Object }.groupBy, Promise.withResolvers, ArrayBuffer.prototype.transfer and friends marked as supported from Safari 17.4
  • New Set methods fixed and marked as supported from V8 ~ Chrome 123
  • Added Deno 1.40 compat data mapping
  • Symbol.metadata marked as supported from Deno 1.40.4
  • Updated Electron 30 compat data mapping

4.0.0-alpha.0 - 2024.02.13

Early release for testing some conceptions.

NOT FOR USAGE IN REAL PROJECTS.

See more info here: #1310

3.35.1 - 2024.01.21

• Fixed internal ToLength operation with bigints, #1318
• Removed significant redundant code from String#split polyfill
• Fixed setting names of methods with symbol keys in some old engines
• Minor fix of prototype methods export logic in the pure version
• Compat data improvements:
  • Iterator helpers proposal methods marked as supported from V8 ~ Chrome 122
  • Note that V8 ~ Chrome 122 add Set methods, but they have a bug similar to Safari
  • self marked as fixed from Bun 1.0.22
  • SuppressedError and Symbol.{ dispose, asyncDispose } marked as supported from Bun 1.0.23
  • Added Oculus Quest Browser 31 compat data mapping
  • Updated Electron 29 and added Electron 30 compat data mapping

3.35.0 - 2023.12.29

• { Map, Set, WeakMap, WeakSet }.{ from, of } became non-generic, following this and some other notes. Now they can be invoked without this, but no longer return subclass instances
• Fixed handling some cases of non-enumerable symbol keys from Symbol polyfill
• Removed unneeded NodeJS domains-related logic from queueMicrotask polyfill
• Fixed subclassing of wrapped ArrayBuffer
• Refactoring, many different minor optimizations
• Compat data improvements:
  • Array.fromAsync marked as supported from V8 ~ Chrome 121
  • It seems that the ancient Array.prototype.push bug is fixed in V8 ~ Chrome 122 (Hallelujah!)
  • ArrayBuffer.prototype.transfer and friends proposal features marked as supported from FF 122 and Bun 1.0.19
  • Object.groupBy and Map.groupBy marked as supported from Bun 1.0.19
  • Since Iterator helpers proposal methods are still not disabled in Deno, the web compatibility issue why it was disabled in Chromium makes no sense for Deno and fixed in the spec, they marked as supported from Deno 1.37
  • Added Opera Android 80 and updated Opera Android 79 compat data mapping
  • Added Samsung Internet 24 compat data mapping

3.34.0 - 2023.12.06

• Array grouping proposal:
  • Methods:
    • Object.groupBy
    • Map.groupBy
  • Moved to stable ES, November 2023 TC39 meeting
  • Added es. namespace modules, /es/ and /stable/ namespaces entries
• Promise.withResolvers proposal:
  • Method:
    • Promise.withResolvers
  • Moved to stable ES, November 2023 TC39 meeting
  • Added es. namespace module, /es/ and /stable/ namespaces entries
• Fixed a web incompatibility issue of Iterator helpers proposal, proposal-iterator-helpers/287 and some following changes, November 2023 TC39 meeting
• Added Uint8Array to / from base64 and hex stage 2 proposal:
  • Methods:
    • Uint8Array.fromBase64
    • Uint8Array.fromHex
    • Uint8Array.prototype.toBase64
    • Uint8Array.prototype.toHex
• Relaxed some specific cases of Number.fromString validation before clarification of proposal-number-fromstring/24
• Fixed @@toStringTag property descriptors on DOM collections, #1312
• Fixed the order of arguments validation in Array iteration methods, #1313
• Some minor atob / btoa improvements
• Compat data improvements:
  • Promise.withResolvers marked as shipped from FF121

3.33.3 - 2023.11.20

• Fixed an issue getting the global object on Duktape, #1303
• Avoid sharing internal [[DedentMap]] from String.dedent proposal between core-js instances before stabilization of the proposal
• Some internal untangling
• Compat data improvements:
  • Added Deno 1.38 compat data mapping
  • Array.fromAsync marked as supported from Deno 1.38
  • Symbol.{ dispose, asyncDispose } marked as supported from Deno 1.38
  • Added Opera Android 79 compat data mapping
  • Added Oculus Quest Browser 30 compat data mapping
  • Updated Electron 28 and 29 compat data mapping

3.33.2 - 2023.10.31

• Simplified structuredClone polyfill, avoided second tree pass in cases of transferring
• Added support of SuppressedError to structuredClone polyfill
• Removed unspecified unnecessary ArrayBuffer and DataView dependencies of structuredClone lack of which could cause errors in some entries in IE10-
• Fixed handling of fractional number part in Number.fromString
• Compat data improvements:
  • URL.canParse marked as supported from Chromium 120
  • Updated Opera Android 78 compat data mapping
  • Added Electron 29 compat data mapping

3.33.1 - 2023.10.20

• Added one more workaround of possible error with Symbol polyfill on global object, #1289
• Directly specified type: commonjs in package.json of all packages to avoid potential breakage in future Node versions, see this issue
• Prevented potential issue with lack of some dependencies after automatic optimization polyfills of some methods in the pure version
• Some minor internal fixes and optimizations
• Compat data improvements:
  • String.prototype.{ isWellFormed, toWellFormed } marked as supported from FF119
  • Added React Native 0.73 Hermes compat data, mainly fixes of some issues
  • Added NodeJS 21.0 compat data mapping