diff --git a/packages/babel-compat-data/data/plugins.json b/packages/babel-compat-data/data/plugins.json
index 801f033f09fe..4fda560066a4 100644
--- a/packages/babel-compat-data/data/plugins.json
+++ b/packages/babel-compat-data/data/plugins.json
@@ -87,6 +87,7 @@
     "chrome": "62",
     "opera": "49",
     "edge": "79",
+    "firefox": "78",
     "safari": "11.1",
     "node": "8.10",
     "ios": "11.3",
@@ -97,6 +98,7 @@
     "chrome": "64",
     "opera": "51",
     "edge": "79",
+    "firefox": "78",
     "safari": "11.1",
     "node": "10",
     "ios": "11.3",
@@ -268,6 +270,17 @@
     "samsung": "5",
     "electron": "0.37"
   },
+  "transform-unicode-escapes": {
+    "chrome": "44",
+    "opera": "31",
+    "edge": "12",
+    "firefox": "53",
+    "safari": "9",
+    "node": "4",
+    "ios": "9",
+    "samsung": "4",
+    "electron": "0.30"
+  },
   "transform-unicode-regex": {
     "chrome": "50",
     "opera": "37",
diff --git a/packages/babel-compat-data/scripts/data/plugin-features.js b/packages/babel-compat-data/scripts/data/plugin-features.js
index 0671413626fa..4f1d724bdf2a 100644
--- a/packages/babel-compat-data/scripts/data/plugin-features.js
+++ b/packages/babel-compat-data/scripts/data/plugin-features.js
@@ -62,6 +62,7 @@ const es2015 = {
       'RegExp "y" and "u" flags / "y" flag',
     ],
   },
+  "transform-unicode-escapes": "Unicode code point escapes",
   "transform-unicode-regex": {
     features: [
       'RegExp "y" and "u" flags / "u" flag, case folding',
diff --git a/packages/babel-compat-data/scripts/download-compat-table.sh b/packages/babel-compat-data/scripts/download-compat-table.sh
index 394fe1ed4ed9..bf8de677684a 100755
--- a/packages/babel-compat-data/scripts/download-compat-table.sh
+++ b/packages/babel-compat-data/scripts/download-compat-table.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-COMPAT_TABLE_COMMIT=9e07df3875d8416af85cf523716519e9dd1e5e44
+COMPAT_TABLE_COMMIT=50e5424d113869b08911a5df956d0e931722e5b5
 GIT_HEAD=build/compat-table/.git/HEAD
 
 if [ -d "build/compat-table" ]; then
diff --git a/packages/babel-plugin-transform-template-literals/test/fixtures/default/tag-with-unicode-escapes/input.js b/packages/babel-plugin-transform-template-literals/test/fixtures/default/tag-with-unicode-escapes/input.js
new file mode 100644
index 000000000000..d705d76c35af
--- /dev/null
+++ b/packages/babel-plugin-transform-template-literals/test/fixtures/default/tag-with-unicode-escapes/input.js
@@ -0,0 +1 @@
+var foo = bar`\u0061\u{0061}\ud835\udc9c\u{1d49c}`;
diff --git a/packages/babel-plugin-transform-template-literals/test/fixtures/default/tag-with-unicode-escapes/output.js b/packages/babel-plugin-transform-template-literals/test/fixtures/default/tag-with-unicode-escapes/output.js
new file mode 100644
index 000000000000..81e26c19e16a
--- /dev/null
+++ b/packages/babel-plugin-transform-template-literals/test/fixtures/default/tag-with-unicode-escapes/output.js
@@ -0,0 +1,13 @@
+function _templateObject() {
+  const data = _taggedTemplateLiteral(["aa\uD835\uDC9C\uD835\uDC9C"], ["\\u0061\\u{0061}\\ud835\\udc9c\\u{1d49c}"]);
+
+  _templateObject = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function _taggedTemplateLiteral(strings, raw) { if (!raw) { raw = strings.slice(0); } return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }
+
+var foo = bar(_templateObject());
diff --git a/packages/babel-plugin-transform-unicode-escapes/.npmignore b/packages/babel-plugin-transform-unicode-escapes/.npmignore
new file mode 100644
index 000000000000..f9806945836e
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/.npmignore
@@ -0,0 +1,3 @@
+src
+test
+*.log
diff --git a/packages/babel-plugin-transform-unicode-escapes/README.md b/packages/babel-plugin-transform-unicode-escapes/README.md
new file mode 100644
index 000000000000..7b8401621b92
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/README.md
@@ -0,0 +1,19 @@
+# @babel/plugin-transform-unicode-escapes
+
+> Compile ES2015 Unicode escapes to ES5
+
+See our website [@babel/plugin-transform-unicode-escapes](https://babeljs.io/docs/en/next/babel-plugin-transform-unicode-escapes.html) for more information.
+
+## Install
+
+Using npm:
+
+```sh
+npm install --save-dev @babel/plugin-transform-unicode-escapes
+```
+
+or using yarn:
+
+```sh
+yarn add @babel/plugin-transform-unicode-escapes --dev
+```
diff --git a/packages/babel-plugin-transform-unicode-escapes/package.json b/packages/babel-plugin-transform-unicode-escapes/package.json
new file mode 100644
index 000000000000..95ffcb57076c
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/package.json
@@ -0,0 +1,24 @@
+{
+  "name": "@babel/plugin-transform-unicode-escapes",
+  "version": "7.8.3",
+  "description": "Compile ES2015 Unicode escapes to ES5",
+  "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-unicode-escapes",
+  "license": "MIT",
+  "publishConfig": {
+    "access": "public"
+  },
+  "main": "lib/index.js",
+  "keywords": [
+    "babel-plugin"
+  ],
+  "dependencies": {
+    "@babel/helper-plugin-utils": "^7.8.3"
+  },
+  "peerDependencies": {
+    "@babel/core": "^7.0.0-0"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.8.3",
+    "@babel/helper-plugin-test-runner": "^7.8.3"
+  }
+}
diff --git a/packages/babel-plugin-transform-unicode-escapes/src/index.js b/packages/babel-plugin-transform-unicode-escapes/src/index.js
new file mode 100644
index 000000000000..bfb38422aaab
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/src/index.js
@@ -0,0 +1,107 @@
+import { declare } from "@babel/helper-plugin-utils";
+import { types as t } from "@babel/core";
+
+export default declare(api => {
+  api.assertVersion(7);
+
+  const surrogate = /[\ud800-\udfff]/g;
+  const unicodeEscape = /(\\+)u\{([0-9a-fA-F]+)\}/g;
+
+  function escape(code) {
+    let str = code.toString(16);
+    // Sigh, node 6 doesn't have padStart
+    // TODO: Remove in Babel 8, when we drop node 6.
+    while (str.length < 4) str = "0" + str;
+    return "\\u" + str;
+  }
+
+  function replacer(match, backslashes, code) {
+    if (backslashes.length % 2 === 0) {
+      return match;
+    }
+
+    const char = String.fromCodePoint(parseInt(code, 16));
+    const escaped = backslashes.slice(0, -1) + escape(char.charCodeAt(0));
+
+    return char.length === 1 ? escaped : escaped + escape(char.charCodeAt(1));
+  }
+
+  function replaceUnicodeEscapes(str) {
+    return str.replace(unicodeEscape, replacer);
+  }
+
+  function getUnicodeEscape(str) {
+    let match;
+    while ((match = unicodeEscape.exec(str))) {
+      if (match[1].length % 2 === 0) continue;
+      unicodeEscape.lastIndex = 0;
+      return match[0];
+    }
+    return null;
+  }
+
+  return {
+    name: "transform-unicode-escapes",
+    visitor: {
+      Identifier(path) {
+        const { node, key } = path;
+        const { name } = node;
+        const replaced = name.replace(surrogate, c => {
+          return `_u${c.charCodeAt(0).toString(16)}`;
+        });
+        if (name === replaced) return;
+
+        const str = t.inherits(t.stringLiteral(name), node);
+
+        if (key === "key") {
+          path.replaceWith(str);
+          return;
+        }
+
+        const { parentPath, scope } = path;
+        if (
+          parentPath.isMemberExpression({ property: node }) ||
+          parentPath.isOptionalMemberExpression({ property: node })
+        ) {
+          parentPath.node.computed = true;
+          path.replaceWith(str);
+          return;
+        }
+
+        const binding = scope.getBinding(name);
+        if (binding) {
+          scope.rename(name, scope.generateUid(replaced));
+          return;
+        }
+
+        throw path.buildCodeFrameError(
+          `Can't reference '${name}' as a bare identifier`,
+        );
+      },
+
+      "StringLiteral|DirectiveLiteral"(path) {
+        const { node } = path;
+        const { extra } = node;
+
+        if (extra?.raw) extra.raw = replaceUnicodeEscapes(extra.raw);
+      },
+
+      TemplateElement(path) {
+        const { node, parentPath } = path;
+        const { value } = node;
+
+        const firstEscape = getUnicodeEscape(value.raw);
+        if (!firstEscape) return;
+
+        const grandParent = parentPath.parentPath;
+        if (grandParent.isTaggedTemplateExpression()) {
+          throw path.buildCodeFrameError(
+            `Can't replace Unicode escape '${firstEscape}' inside tagged template literals. You can enable '@babel/plugin-transform-template-literals' to compile them to classic strings.`,
+          );
+        }
+
+        value.raw = replaceUnicodeEscapes(value.raw);
+      },
+    },
+  };
+});
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/directive/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/directive/input.js
new file mode 100644
index 000000000000..13dde76a7c7a
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/directive/input.js
@@ -0,0 +1 @@
+"𝒜\ud835\udc9c\u{1d49c}"
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/directive/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/directive/output.js
new file mode 100644
index 000000000000..61e8e233ce94
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/directive/output.js
@@ -0,0 +1 @@
+"𝒜\ud835\udc9c\ud835\udc9c";
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-bare-identifier-global/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-bare-identifier-global/input.js
new file mode 100644
index 000000000000..7bec60fe49cf
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-bare-identifier-global/input.js
@@ -0,0 +1 @@
+\u{1d49c};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-bare-identifier-global/options.json b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-bare-identifier-global/options.json
new file mode 100644
index 000000000000..a384cf47f03a
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-bare-identifier-global/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Can't reference '𝒜' as a bare identifier"
+}
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-bare-identifier/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-bare-identifier/input.js
new file mode 100644
index 000000000000..050ec53d5f93
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-bare-identifier/input.js
@@ -0,0 +1,2 @@
+var \u{1d49c} = 1;
+\u{1d49c};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-bare-identifier/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-bare-identifier/output.js
new file mode 100644
index 000000000000..df3d39c48f46
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-bare-identifier/output.js
@@ -0,0 +1,2 @@
+var _ud835_udc9c = 1;
+_ud835_udc9c;
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-accessor-key/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-accessor-key/input.js
new file mode 100644
index 000000000000..101c1d70f779
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-accessor-key/input.js
@@ -0,0 +1 @@
+var o = class { get \u{1d49c}() {} };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-accessor-key/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-accessor-key/output.js
new file mode 100644
index 000000000000..10938f7568ff
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-accessor-key/output.js
@@ -0,0 +1,4 @@
+var o = class {
+  get "\uD835\uDC9C"() {}
+
+};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-field-key/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-field-key/input.js
new file mode 100644
index 000000000000..8ca7728ae6a6
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-field-key/input.js
@@ -0,0 +1 @@
+var o = class { \u{1d49c} =  1 };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-field-key/options.json b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-field-key/options.json
new file mode 100644
index 000000000000..9e2a21a02737
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-field-key/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["transform-unicode-escapes", "syntax-class-properties"]
+}
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-field-key/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-field-key/output.js
new file mode 100644
index 000000000000..faf4ff2776c1
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-field-key/output.js
@@ -0,0 +1,3 @@
+var o = class {
+  "\uD835\uDC9C" = 1;
+};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-method-key/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-method-key/input.js
new file mode 100644
index 000000000000..c73bd8dc84df
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-method-key/input.js
@@ -0,0 +1 @@
+var o = class { \u{1d49c}() {} };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-method-key/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-method-key/output.js
new file mode 100644
index 000000000000..fbdb2b3b3f52
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-class-method-key/output.js
@@ -0,0 +1,4 @@
+var o = class {
+  "\uD835\uDC9C"() {}
+
+};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-member-property/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-member-property/input.js
new file mode 100644
index 000000000000..c9968fadc049
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-member-property/input.js
@@ -0,0 +1 @@
+obj.\u{1d49c};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-member-property/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-member-property/output.js
new file mode 100644
index 000000000000..3b1f7e347692
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-member-property/output.js
@@ -0,0 +1 @@
+obj["\uD835\uDC9C"];
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-accessor-key/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-accessor-key/input.js
new file mode 100644
index 000000000000..90e379c12b96
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-accessor-key/input.js
@@ -0,0 +1 @@
+var o = { get \u{1d49c}() {} };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-accessor-key/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-accessor-key/output.js
new file mode 100644
index 000000000000..2649ec435616
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-accessor-key/output.js
@@ -0,0 +1,4 @@
+var o = {
+  get "\uD835\uDC9C"() {}
+
+};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-method-key/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-method-key/input.js
new file mode 100644
index 000000000000..e9446704db94
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-method-key/input.js
@@ -0,0 +1 @@
+var o = { \u{1d49c}() {} };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-method-key/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-method-key/output.js
new file mode 100644
index 000000000000..66c6a6190d88
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-method-key/output.js
@@ -0,0 +1,4 @@
+var o = {
+  "\uD835\uDC9C"() {}
+
+};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-key/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-key/input.js
new file mode 100644
index 000000000000..1757ee1e83ef
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-key/input.js
@@ -0,0 +1 @@
+var o = { \u{1d49c}: 1 };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-key/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-key/output.js
new file mode 100644
index 000000000000..e05fb45e13ee
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-key/output.js
@@ -0,0 +1,3 @@
+var o = {
+  "\uD835\uDC9C": 1
+};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-shorthand-global/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-shorthand-global/input.js
new file mode 100644
index 000000000000..b92d2671090f
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-shorthand-global/input.js
@@ -0,0 +1 @@
+var o = { \u{1d49c} };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-shorthand-global/options.json b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-shorthand-global/options.json
new file mode 100644
index 000000000000..a384cf47f03a
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-shorthand-global/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Can't reference '𝒜' as a bare identifier"
+}
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-shorthand/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-shorthand/input.js
new file mode 100644
index 000000000000..bcf5f451edbd
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-shorthand/input.js
@@ -0,0 +1,2 @@
+var \u{1d49c} = 1;
+var o = { \u{1d49c} };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-shorthand/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-shorthand/output.js
new file mode 100644
index 000000000000..3f94fa340781
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-object-property-shorthand/output.js
@@ -0,0 +1,4 @@
+var _ud835_udc9c = 1;
+var o = {
+  "\uD835\uDC9C": _ud835_udc9c
+};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-optional-member-property/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-optional-member-property/input.js
new file mode 100644
index 000000000000..ced800a92f82
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-optional-member-property/input.js
@@ -0,0 +1 @@
+obj?.\u{1d49c};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-optional-member-property/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-optional-member-property/output.js
new file mode 100644
index 000000000000..1f07f6eba8f4
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/escaped-optional-member-property/output.js
@@ -0,0 +1 @@
+obj?.["\uD835\uDC9C"];
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/options.json b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/options.json
new file mode 100644
index 000000000000..4ba709f17bb4
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["transform-unicode-escapes"]
+}
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-bare-identifier-global/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-bare-identifier-global/input.js
new file mode 100644
index 000000000000..af52a87ea896
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-bare-identifier-global/input.js
@@ -0,0 +1 @@
+𝒜;
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-bare-identifier-global/options.json b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-bare-identifier-global/options.json
new file mode 100644
index 000000000000..a384cf47f03a
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-bare-identifier-global/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Can't reference '𝒜' as a bare identifier"
+}
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-bare-identifier/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-bare-identifier/input.js
new file mode 100644
index 000000000000..d440017ddffb
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-bare-identifier/input.js
@@ -0,0 +1,2 @@
+var 𝒜 = 1;
+𝒜;
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-bare-identifier/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-bare-identifier/output.js
new file mode 100644
index 000000000000..df3d39c48f46
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-bare-identifier/output.js
@@ -0,0 +1,2 @@
+var _ud835_udc9c = 1;
+_ud835_udc9c;
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-accessor-key/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-accessor-key/input.js
new file mode 100644
index 000000000000..7c18bbb33ae8
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-accessor-key/input.js
@@ -0,0 +1 @@
+var o = class { get 𝒜 () {} };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-accessor-key/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-accessor-key/output.js
new file mode 100644
index 000000000000..10938f7568ff
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-accessor-key/output.js
@@ -0,0 +1,4 @@
+var o = class {
+  get "\uD835\uDC9C"() {}
+
+};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-field-key/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-field-key/input.js
new file mode 100644
index 000000000000..a83d0a36b503
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-field-key/input.js
@@ -0,0 +1 @@
+var o = class { 𝒜  = 1 };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-field-key/options.json b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-field-key/options.json
new file mode 100644
index 000000000000..9e2a21a02737
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-field-key/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["transform-unicode-escapes", "syntax-class-properties"]
+}
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-field-key/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-field-key/output.js
new file mode 100644
index 000000000000..faf4ff2776c1
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-field-key/output.js
@@ -0,0 +1,3 @@
+var o = class {
+  "\uD835\uDC9C" = 1;
+};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-method-key/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-method-key/input.js
new file mode 100644
index 000000000000..fe39be463dce
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-method-key/input.js
@@ -0,0 +1 @@
+var o = class { 𝒜 () {} };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-method-key/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-method-key/output.js
new file mode 100644
index 000000000000..fbdb2b3b3f52
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-class-method-key/output.js
@@ -0,0 +1,4 @@
+var o = class {
+  "\uD835\uDC9C"() {}
+
+};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-member-property/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-member-property/input.js
new file mode 100644
index 000000000000..f4e248cfcb25
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-member-property/input.js
@@ -0,0 +1 @@
+obj.𝒜 ;
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-member-property/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-member-property/output.js
new file mode 100644
index 000000000000..3b1f7e347692
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-member-property/output.js
@@ -0,0 +1 @@
+obj["\uD835\uDC9C"];
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-accessor-key/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-accessor-key/input.js
new file mode 100644
index 000000000000..cad166649cd2
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-accessor-key/input.js
@@ -0,0 +1 @@
+var o = { get 𝒜 () {} };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-accessor-key/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-accessor-key/output.js
new file mode 100644
index 000000000000..2649ec435616
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-accessor-key/output.js
@@ -0,0 +1,4 @@
+var o = {
+  get "\uD835\uDC9C"() {}
+
+};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-method-key/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-method-key/input.js
new file mode 100644
index 000000000000..ee0dececd792
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-method-key/input.js
@@ -0,0 +1 @@
+var o = { 𝒜 () {} };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-method-key/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-method-key/output.js
new file mode 100644
index 000000000000..66c6a6190d88
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-method-key/output.js
@@ -0,0 +1,4 @@
+var o = {
+  "\uD835\uDC9C"() {}
+
+};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-key/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-key/input.js
new file mode 100644
index 000000000000..b7a996472550
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-key/input.js
@@ -0,0 +1 @@
+var o = { 𝒜 : 1 };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-key/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-key/output.js
new file mode 100644
index 000000000000..e05fb45e13ee
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-key/output.js
@@ -0,0 +1,3 @@
+var o = {
+  "\uD835\uDC9C": 1
+};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-shorthand-global/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-shorthand-global/input.js
new file mode 100644
index 000000000000..8c17f84e1055
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-shorthand-global/input.js
@@ -0,0 +1 @@
+var o = { 𝒜  };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-shorthand-global/options.json b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-shorthand-global/options.json
new file mode 100644
index 000000000000..a384cf47f03a
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-shorthand-global/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Can't reference '𝒜' as a bare identifier"
+}
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-shorthand/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-shorthand/input.js
new file mode 100644
index 000000000000..4b9a9fceb03a
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-shorthand/input.js
@@ -0,0 +1,2 @@
+var 𝒜 = 1;
+var o = { 𝒜  };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-shorthand/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-shorthand/output.js
new file mode 100644
index 000000000000..3f94fa340781
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-object-property-shorthand/output.js
@@ -0,0 +1,4 @@
+var _ud835_udc9c = 1;
+var o = {
+  "\uD835\uDC9C": _ud835_udc9c
+};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-optional-member-property/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-optional-member-property/input.js
new file mode 100644
index 000000000000..04f5c2e40fba
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-optional-member-property/input.js
@@ -0,0 +1 @@
+obj?.𝒜 ;
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-optional-member-property/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-optional-member-property/output.js
new file mode 100644
index 000000000000..1f07f6eba8f4
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/raw-optional-member-property/output.js
@@ -0,0 +1 @@
+obj?.["\uD835\uDC9C"];
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/string/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/string/input.js
new file mode 100644
index 000000000000..111ed829e2a7
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/string/input.js
@@ -0,0 +1,7 @@
+0;
+"𝒜\ud835\udc9c\u{1d49c}";
+"\u{1d49c}";
+"\\u{1d49c}";
+"\\\u{1d49c}";
+"\\\\u{1d49c}";
+
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/string/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/string/output.js
new file mode 100644
index 000000000000..8a9215a9f06b
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/string/output.js
@@ -0,0 +1,6 @@
+0;
+"𝒜\ud835\udc9c\ud835\udc9c";
+"\ud835\udc9c";
+"\\u{1d49c}";
+"\\\ud835\udc9c";
+"\\\\u{1d49c}";
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/tagged-template-transformed/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/tagged-template-transformed/input.js
new file mode 100644
index 000000000000..ebead0e0518f
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/tagged-template-transformed/input.js
@@ -0,0 +1,6 @@
+test`𝒜\ud835\udc9c\u{1d49c}`;
+test`\u{1d49c}`;
+test`\\u{1d49c}`;
+test`\\\u{1d49c}`;
+test`\\\\u{1d49c}`;
+
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/tagged-template-transformed/options.json b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/tagged-template-transformed/options.json
new file mode 100644
index 000000000000..51ceffde967d
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/tagged-template-transformed/options.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["transform-unicode-escapes", "transform-template-literals"]
+}
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/tagged-template-transformed/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/tagged-template-transformed/output.js
new file mode 100644
index 000000000000..4f8fa85f21b8
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/tagged-template-transformed/output.js
@@ -0,0 +1,57 @@
+function _templateObject5() {
+  const data = _taggedTemplateLiteral(["\\\\u{1d49c}"], ["\\\\\\\\u{1d49c}"]);
+
+  _templateObject5 = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function _templateObject4() {
+  const data = _taggedTemplateLiteral(["\\\uD835\uDC9C"], ["\\\\\\u{1d49c}"]);
+
+  _templateObject4 = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function _templateObject3() {
+  const data = _taggedTemplateLiteral(["\\u{1d49c}"], ["\\\\u{1d49c}"]);
+
+  _templateObject3 = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function _templateObject2() {
+  const data = _taggedTemplateLiteral(["\uD835\uDC9C"], ["\\u{1d49c}"]);
+
+  _templateObject2 = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function _templateObject() {
+  const data = _taggedTemplateLiteral(["\uD835\uDC9C\uD835\uDC9C\uD835\uDC9C"], ["\uD835\uDC9C\\ud835\\udc9c\\u{1d49c}"]);
+
+  _templateObject = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function _taggedTemplateLiteral(strings, raw) { if (!raw) { raw = strings.slice(0); } return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }
+
+test(_templateObject());
+test(_templateObject2());
+test(_templateObject3());
+test(_templateObject4());
+test(_templateObject5());
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/tagged-template/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/tagged-template/input.js
new file mode 100644
index 000000000000..bae835787749
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/tagged-template/input.js
@@ -0,0 +1 @@
+test`𝒜\ud835\udc9c\u{1d49c}`;
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/tagged-template/options.json b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/tagged-template/options.json
new file mode 100644
index 000000000000..94430c4fefb4
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/tagged-template/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "Can't replace Unicode escape '\\u{1d49c}' inside tagged template literals. You can enable '@babel/plugin-transform-template-literals' to compile them to classic strings."
+}
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/template/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/template/input.js
new file mode 100644
index 000000000000..074e7042e2a6
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/template/input.js
@@ -0,0 +1,6 @@
+`𝒜\ud835\udc9c\u{1d49c}`;
+`\u{1d49c}`;
+`\\u{1d49c}`;
+`\\\u{1d49c}`;
+`\\\\u{1d49c}`;
+
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/template/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/template/output.js
new file mode 100644
index 000000000000..5c2728556d27
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/template/output.js
@@ -0,0 +1,5 @@
+`𝒜\ud835\udc9c\ud835\udc9c`;
+`\ud835\udc9c`;
+`\\u{1d49c}`;
+`\\\ud835\udc9c`;
+`\\\\u{1d49c}`;
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/uHHHH-escape/input.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/uHHHH-escape/input.js
new file mode 100644
index 000000000000..198caa2d5771
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/uHHHH-escape/input.js
@@ -0,0 +1,4 @@
+var \u0061 = {\u0061: 1};
+\u0061.\u0061;
+
+var o = { \u0061 };
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/uHHHH-escape/output.js b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/uHHHH-escape/output.js
new file mode 100644
index 000000000000..026617caf28d
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/fixtures/unicode-escapes/uHHHH-escape/output.js
@@ -0,0 +1,7 @@
+var a = {
+  a: 1
+};
+a.a;
+var o = {
+  a
+};
diff --git a/packages/babel-plugin-transform-unicode-escapes/test/index.js b/packages/babel-plugin-transform-unicode-escapes/test/index.js
new file mode 100644
index 000000000000..1b534b8fc64a
--- /dev/null
+++ b/packages/babel-plugin-transform-unicode-escapes/test/index.js
@@ -0,0 +1,3 @@
+import runner from "@babel/helper-plugin-test-runner";
+
+runner(__dirname);
diff --git a/packages/babel-preset-env/package.json b/packages/babel-preset-env/package.json
index 566f99d71762..04e28c19ad00 100644
--- a/packages/babel-preset-env/package.json
+++ b/packages/babel-preset-env/package.json
@@ -63,6 +63,7 @@
     "@babel/plugin-transform-sticky-regex": "^7.8.3",
     "@babel/plugin-transform-template-literals": "^7.8.3",
     "@babel/plugin-transform-typeof-symbol": "^7.8.4",
+    "@babel/plugin-transform-unicode-escapes": "^7.8.3",
     "@babel/plugin-transform-unicode-regex": "^7.8.3",
     "@babel/preset-modules": "^0.1.3",
     "@babel/types": "^7.9.6",
diff --git a/packages/babel-preset-env/src/available-plugins.js b/packages/babel-preset-env/src/available-plugins.js
index ef815702aa47..ffdd2a1aa175 100644
--- a/packages/babel-preset-env/src/available-plugins.js
+++ b/packages/babel-preset-env/src/available-plugins.js
@@ -49,6 +49,7 @@ import transformSpread from "@babel/plugin-transform-spread";
 import transformStickyRegex from "@babel/plugin-transform-sticky-regex";
 import transformTemplateLiterals from "@babel/plugin-transform-template-literals";
 import transformTypeofSymbol from "@babel/plugin-transform-typeof-symbol";
+import transformUnicodeEscapes from "@babel/plugin-transform-unicode-escapes";
 import transformUnicodeRegex from "@babel/plugin-transform-unicode-regex";
 
 import bugfixAsyncArrowsInClass from "@babel/preset-modules/lib/plugins/transform-async-arrows-in-class";
@@ -113,5 +114,6 @@ export default {
   "transform-sticky-regex": transformStickyRegex,
   "transform-template-literals": transformTemplateLiterals,
   "transform-typeof-symbol": transformTypeofSymbol,
+  "transform-unicode-escapes": transformUnicodeEscapes,
   "transform-unicode-regex": transformUnicodeRegex,
 };
diff --git a/packages/babel-preset-env/test/fixtures/bugfixes/edge-default-params-chrome-40/stdout.txt b/packages/babel-preset-env/test/fixtures/bugfixes/edge-default-params-chrome-40/stdout.txt
index 4b4b9cf2469b..42b3c0122d78 100644
--- a/packages/babel-preset-env/test/fixtures/bugfixes/edge-default-params-chrome-40/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/bugfixes/edge-default-params-chrome-40/stdout.txt
@@ -31,6 +31,7 @@ Using plugins:
   transform-computed-properties { "chrome":"40" }
   transform-for-of { "chrome":"40" }
   transform-sticky-regex { "chrome":"40" }
+  transform-unicode-escapes { "chrome":"40" }
   transform-unicode-regex { "chrome":"40" }
   transform-spread { "chrome":"40" }
   transform-block-scoping { "chrome":"40" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/browserslists-android-3/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/browserslists-android-3/stdout.txt
index 8aca688738cf..5d2646157074 100644
--- a/packages/babel-preset-env/test/fixtures/debug/browserslists-android-3/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/browserslists-android-3/stdout.txt
@@ -32,6 +32,7 @@ Using plugins:
   transform-computed-properties { "android":"3" }
   transform-for-of { "android":"3" }
   transform-sticky-regex { "android":"3" }
+  transform-unicode-escapes { "android":"3" }
   transform-unicode-regex { "android":"3" }
   transform-spread { "android":"3" }
   transform-destructuring { "android":"3" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/browserslists-defaults/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/browserslists-defaults/stdout.txt
index 5b0e34506ab3..a5948b446b4b 100644
--- a/packages/babel-preset-env/test/fixtures/debug/browserslists-defaults/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/browserslists-defaults/stdout.txt
@@ -39,6 +39,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/corejs-without-usebuiltins/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/corejs-without-usebuiltins/stdout.txt
index 22ef23b56af2..e38340b582aa 100644
--- a/packages/babel-preset-env/test/fixtures/debug/corejs-without-usebuiltins/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/corejs-without-usebuiltins/stdout.txt
@@ -32,6 +32,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-android/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-android/stdout.txt
index 61e29fd11fc4..07ea2154593d 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-android/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-android/stdout.txt
@@ -32,6 +32,7 @@ Using plugins:
   transform-computed-properties { "android":"4" }
   transform-for-of { "android":"4" }
   transform-sticky-regex { "android":"4" }
+  transform-unicode-escapes { "android":"4" }
   transform-unicode-regex { "android":"4" }
   transform-spread { "android":"4" }
   transform-destructuring { "android":"4" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-force-all-transforms/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-force-all-transforms/stdout.txt
index 1957d44bf5c7..e0af4f56cd61 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-force-all-transforms/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-force-all-transforms/stdout.txt
@@ -32,6 +32,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-proposals/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-proposals/stdout.txt
index 450f60f279b1..d6790ec06caf 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-proposals/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-proposals/stdout.txt
@@ -30,6 +30,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-shippedProposals/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-shippedProposals/stdout.txt
index a23c7d99305d..0efff26b48d5 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-shippedProposals/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-shippedProposals/stdout.txt
@@ -31,6 +31,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-specific-targets/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-specific-targets/stdout.txt
index d8ff428f891a..a270601f4bd0 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-specific-targets/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-specific-targets/stdout.txt
@@ -37,6 +37,7 @@ Using plugins:
   transform-computed-properties { "ie":"10", "safari":"7" }
   transform-for-of { "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
   transform-sticky-regex { "ie":"10", "ios":"9", "safari":"7" }
+  transform-unicode-escapes { "firefox":"49", "ie":"10", "safari":"7" }
   transform-unicode-regex { "ie":"10", "ios":"9", "safari":"7" }
   transform-spread { "ie":"10", "ios":"9", "safari":"7" }
   transform-destructuring { "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-versions-decimals/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-versions-decimals/stdout.txt
index 5e0461926b22..83111b64646b 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-versions-decimals/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-versions-decimals/stdout.txt
@@ -43,6 +43,7 @@ Using plugins:
   transform-computed-properties { "ie":"10" }
   transform-for-of { "electron":"0.36", "ie":"10", "node":"6.1" }
   transform-sticky-regex { "electron":"0.36", "ie":"10" }
+  transform-unicode-escapes { "ie":"10" }
   transform-unicode-regex { "electron":"0.36", "ie":"10" }
   transform-spread { "ie":"10" }
   transform-destructuring { "electron":"0.36", "ie":"10", "node":"6.1" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-versions-strings/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-versions-strings/stdout.txt
index ceefa4e733e1..eaea0d0653c7 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-versions-strings/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2-versions-strings/stdout.txt
@@ -34,6 +34,7 @@ Using plugins:
   transform-computed-properties { "ie":"10" }
   transform-for-of { "ie":"10" }
   transform-sticky-regex { "ie":"10" }
+  transform-unicode-escapes { "ie":"10" }
   transform-unicode-regex { "ie":"10" }
   transform-spread { "ie":"10" }
   transform-destructuring { "ie":"10" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2/stdout.txt
index 5244ee91b413..d61f58659bef 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs2/stdout.txt
@@ -34,6 +34,7 @@ Using plugins:
   transform-computed-properties { "ie":"10" }
   transform-for-of { "ie":"10", "node":"6" }
   transform-sticky-regex { "ie":"10" }
+  transform-unicode-escapes { "ie":"10" }
   transform-unicode-regex { "ie":"10" }
   transform-spread { "ie":"10" }
   transform-destructuring { "ie":"10", "node":"6" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-all/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-all/stdout.txt
index 363c0bd3c67c..c82937aa9c1b 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-all/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-all/stdout.txt
@@ -31,6 +31,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-android/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-android/stdout.txt
index 4ed2ea61df94..2598ed3ad41d 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-android/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-android/stdout.txt
@@ -32,6 +32,7 @@ Using plugins:
   transform-computed-properties { "android":"4" }
   transform-for-of { "android":"4" }
   transform-sticky-regex { "android":"4" }
+  transform-unicode-escapes { "android":"4" }
   transform-unicode-regex { "android":"4" }
   transform-spread { "android":"4" }
   transform-destructuring { "android":"4" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-babel-polyfill/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-babel-polyfill/stdout.txt
index 27066e050aff..b0a5d8b8408e 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-babel-polyfill/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-babel-polyfill/stdout.txt
@@ -31,6 +31,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es-proposals/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es-proposals/stdout.txt
index 50609a36cdb0..642b12aac41f 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es-proposals/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es-proposals/stdout.txt
@@ -31,6 +31,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es/stdout.txt
index 27aca61b0e0c..8b63372c6e5f 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es/stdout.txt
@@ -31,6 +31,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-force-all-transforms/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-force-all-transforms/stdout.txt
index f2048d5abaa8..621510c0caa6 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-force-all-transforms/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-force-all-transforms/stdout.txt
@@ -32,6 +32,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-proposals/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-proposals/stdout.txt
index 6019d4ccdc8a..5be4733d347c 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-proposals/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-proposals/stdout.txt
@@ -30,6 +30,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-specific-entries/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-specific-entries/stdout.txt
index b28a0ffd93de..97a334407f01 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-specific-entries/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-specific-entries/stdout.txt
@@ -31,6 +31,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-specific-targets/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-specific-targets/stdout.txt
index e687ac4dbc31..72bcc4bcad1d 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-specific-targets/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-specific-targets/stdout.txt
@@ -37,6 +37,7 @@ Using plugins:
   transform-computed-properties { "ie":"10", "safari":"7" }
   transform-for-of { "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
   transform-sticky-regex { "ie":"10", "ios":"9", "safari":"7" }
+  transform-unicode-escapes { "firefox":"49", "ie":"10", "safari":"7" }
   transform-unicode-regex { "ie":"10", "ios":"9", "safari":"7" }
   transform-spread { "ie":"10", "ios":"9", "safari":"7" }
   transform-destructuring { "edge":"13", "firefox":"49", "ie":"10", "ios":"9", "safari":"7" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stable/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stable/stdout.txt
index 5c4d29fd8bb7..44c15dbd8fa7 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stable/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stable/stdout.txt
@@ -31,6 +31,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stage/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stage/stdout.txt
index 7ccc0e599efb..a124bb23bb35 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stage/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stage/stdout.txt
@@ -31,6 +31,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-decimals/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-decimals/stdout.txt
index d54a72009d03..e0bc3e59b5cf 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-decimals/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-decimals/stdout.txt
@@ -43,6 +43,7 @@ Using plugins:
   transform-computed-properties { "ie":"10" }
   transform-for-of { "electron":"0.36", "ie":"10", "node":"6.1" }
   transform-sticky-regex { "electron":"0.36", "ie":"10" }
+  transform-unicode-escapes { "ie":"10" }
   transform-unicode-regex { "electron":"0.36", "ie":"10" }
   transform-spread { "ie":"10" }
   transform-destructuring { "electron":"0.36", "ie":"10", "node":"6.1" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-strings-minor-3.0/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-strings-minor-3.0/stdout.txt
index 5c51854907ad..a791fa8bb25c 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-strings-minor-3.0/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-strings-minor-3.0/stdout.txt
@@ -34,6 +34,7 @@ Using plugins:
   transform-computed-properties { "ie":"10" }
   transform-for-of { "ie":"10" }
   transform-sticky-regex { "ie":"10" }
+  transform-unicode-escapes { "ie":"10" }
   transform-unicode-regex { "ie":"10" }
   transform-spread { "ie":"10" }
   transform-destructuring { "ie":"10" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-strings-minor-3.1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-strings-minor-3.1/stdout.txt
index 9d157e38564c..038f04373173 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-strings-minor-3.1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-strings-minor-3.1/stdout.txt
@@ -34,6 +34,7 @@ Using plugins:
   transform-computed-properties { "ie":"10" }
   transform-for-of { "ie":"10" }
   transform-sticky-regex { "ie":"10" }
+  transform-unicode-escapes { "ie":"10" }
   transform-unicode-regex { "ie":"10" }
   transform-spread { "ie":"10" }
   transform-destructuring { "ie":"10" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-strings/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-strings/stdout.txt
index 7e13e7aa70dd..046ba9c43aa8 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-strings/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-versions-strings/stdout.txt
@@ -34,6 +34,7 @@ Using plugins:
   transform-computed-properties { "ie":"10" }
   transform-for-of { "ie":"10" }
   transform-sticky-regex { "ie":"10" }
+  transform-unicode-escapes { "ie":"10" }
   transform-unicode-regex { "ie":"10" }
   transform-spread { "ie":"10" }
   transform-destructuring { "ie":"10" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-web/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-web/stdout.txt
index 48969ccc8be7..d8a97bc466e5 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-web/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3-web/stdout.txt
@@ -31,6 +31,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3/stdout.txt
index 943367823653..bb15384ae70c 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-corejs3/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-corejs3/stdout.txt
@@ -34,6 +34,7 @@ Using plugins:
   transform-computed-properties { "ie":"10" }
   transform-for-of { "ie":"10", "node":"6" }
   transform-sticky-regex { "ie":"10" }
+  transform-unicode-escapes { "ie":"10" }
   transform-unicode-regex { "ie":"10" }
   transform-spread { "ie":"10" }
   transform-destructuring { "ie":"10", "node":"6" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-no-corejs-shippedProposals/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-no-corejs-shippedProposals/stdout.txt
index d3f31edabfe2..5c4b944d1916 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-no-corejs-shippedProposals/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-no-corejs-shippedProposals/stdout.txt
@@ -31,6 +31,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-no-corejs-uglify/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-no-corejs-uglify/stdout.txt
index f72d6ce0d339..6575dd496548 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-no-corejs-uglify/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-no-corejs-uglify/stdout.txt
@@ -35,6 +35,7 @@ Using plugins:
   transform-computed-properties {}
   transform-for-of {}
   transform-sticky-regex {}
+  transform-unicode-escapes {}
   transform-unicode-regex {}
   transform-spread {}
   transform-destructuring {}
diff --git a/packages/babel-preset-env/test/fixtures/debug/entry-no-corejs/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/entry-no-corejs/stdout.txt
index 6beee91afe13..f5bae02fca9e 100644
--- a/packages/babel-preset-env/test/fixtures/debug/entry-no-corejs/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/entry-no-corejs/stdout.txt
@@ -34,6 +34,7 @@ Using plugins:
   transform-computed-properties { "ie":"10" }
   transform-for-of { "ie":"10", "node":"6" }
   transform-sticky-regex { "ie":"10" }
+  transform-unicode-escapes { "ie":"10" }
   transform-unicode-regex { "ie":"10" }
   transform-spread { "ie":"10" }
   transform-destructuring { "ie":"10", "node":"6" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/plugins-only/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/plugins-only/stdout.txt
index 5df73c211101..d03017f54097 100644
--- a/packages/babel-preset-env/test/fixtures/debug/plugins-only/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/plugins-only/stdout.txt
@@ -28,6 +28,7 @@ Using plugins:
   transform-literals { "firefox":"52" }
   transform-function-name { "firefox":"52" }
   transform-for-of { "firefox":"52" }
+  transform-unicode-escapes { "firefox":"52" }
   transform-destructuring { "firefox":"52" }
   transform-modules-commonjs { "firefox":"52", "node":"7.4" }
   proposal-dynamic-import { "firefox":"52", "node":"7.4" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-1/stdout.txt
index 86d9ee9c268a..5d11f0292efa 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-1/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-2/stdout.txt
index 0a9ec16db807..c2e91644b730 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-2/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-none-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-none-1/stdout.txt
index 6d8652b78cdc..eecc8369739e 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-none-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-none-1/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-none-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-none-2/stdout.txt
index ccc7599dda50..15738ee29493 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-none-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-none-2/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-proposals-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-proposals-1/stdout.txt
index cd711febc4cc..84684166e0da 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-proposals-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-proposals-1/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-proposals-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-proposals-2/stdout.txt
index ace7d9316f59..5bea33c8717a 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-proposals-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-proposals-2/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-shippedProposals-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-shippedProposals-1/stdout.txt
index e9987a6c8ad7..6c1823a33c8d 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-shippedProposals-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-shippedProposals-1/stdout.txt
@@ -34,6 +34,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-shippedProposals-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-shippedProposals-2/stdout.txt
index c635aa38aba7..b79fe1f7af38 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-shippedProposals-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs2-shippedProposals-2/stdout.txt
@@ -34,6 +34,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-1/stdout.txt
index 15055784cbe1..b72e59025a8b 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-1/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-2/stdout.txt
index 1ba69f0d95a6..64bedff98a21 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-2/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-none-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-none-1/stdout.txt
index 754bdb719947..20f2154d7384 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-none-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-none-1/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-none-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-none-2/stdout.txt
index fd82852217e7..3bb3da9097ed 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-none-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-none-2/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-proposals-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-proposals-1/stdout.txt
index 2d1cbf4c9e26..19a90b47adc9 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-proposals-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-proposals-1/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-proposals-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-proposals-2/stdout.txt
index f723e9bfab49..af74441f807d 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-proposals-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-proposals-2/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-shippedProposals-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-shippedProposals-1/stdout.txt
index 50d9dfd4faa3..734828ea0d9a 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-shippedProposals-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-shippedProposals-1/stdout.txt
@@ -34,6 +34,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-shippedProposals-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-shippedProposals-2/stdout.txt
index 58804db33659..be09e3e8fd78 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-shippedProposals-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-shippedProposals-2/stdout.txt
@@ -34,6 +34,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.0-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.0-1/stdout.txt
index d9325f917ac1..4579f2c1a33b 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.0-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.0-1/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.0-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.0-2/stdout.txt
index 82dc0922f317..cfb581f2b978 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.0-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.0-2/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.1-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.1-1/stdout.txt
index c9852b6e5b36..45d9d8b50fd3 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.1-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.1-1/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.1-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.1-2/stdout.txt
index 0b189d6a732d..27ee227d2bf4 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.1-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-corejs3-versions-strings-minor-3.1-2/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-1/stdout.txt
index 3d43e271e9ab..dbd065e328d6 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-1/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-2/stderr.txt b/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-2/stderr.txt
index dbee5e8f3eb3..d9061acb2c57 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-2/stderr.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-2/stderr.txt
@@ -3,4 +3,4 @@ WARNING: We noticed you're using the `useBuiltIns` option without declaring a co
 You should also be sure that the version you pass to the `corejs` option matches the version specified in your `package.json`'s `dependencies` section. If it doesn't, you need to run one of the following commands:
 
   npm install --save core-js@2    npm install --save core-js@3
-  yarn add core-js@2              yarn add core-js@3
\ No newline at end of file
+  yarn add core-js@2              yarn add core-js@3
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-2/stdout.txt
index 0ab8583382c1..c37a1fc2431d 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-2/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-none-1/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-none-1/stdout.txt
index 88512c2a579a..d7a676f138f3 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-none-1/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-none-1/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-none-2/stdout.txt b/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-none-2/stdout.txt
index 991eaf43c452..f33dfedca1aa 100644
--- a/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-none-2/stdout.txt
+++ b/packages/babel-preset-env/test/fixtures/debug/usage-no-corejs-none-2/stdout.txt
@@ -33,6 +33,7 @@ Using plugins:
   transform-computed-properties { "ie":"11" }
   transform-for-of { "firefox":"50", "ie":"11" }
   transform-sticky-regex { "ie":"11" }
+  transform-unicode-escapes { "firefox":"50", "ie":"11" }
   transform-unicode-regex { "ie":"11" }
   transform-spread { "ie":"11" }
   transform-destructuring { "firefox":"50", "ie":"11" }
diff --git a/packages/babel-standalone/package.json b/packages/babel-standalone/package.json
index a95c4a5d0e24..4682251b9dbf 100644
--- a/packages/babel-standalone/package.json
+++ b/packages/babel-standalone/package.json
@@ -99,6 +99,7 @@
     "@babel/plugin-transform-template-literals": "^7.8.3",
     "@babel/plugin-transform-typeof-symbol": "^7.8.4",
     "@babel/plugin-transform-typescript": "^7.9.6",
+    "@babel/plugin-transform-unicode-escapes": "^7.8.3",
     "@babel/plugin-transform-unicode-regex": "^7.8.3",
     "@babel/preset-env": "^7.9.6",
     "@babel/preset-flow": "^7.9.0",
diff --git a/packages/babel-standalone/scripts/pluginConfig.json b/packages/babel-standalone/scripts/pluginConfig.json
index 856d0869b5e5..7a773ceb5e8d 100644
--- a/packages/babel-standalone/scripts/pluginConfig.json
+++ b/packages/babel-standalone/scripts/pluginConfig.json
@@ -85,5 +85,6 @@
   "transform-template-literals",
   "transform-typeof-symbol",
   "transform-typescript",
+  "transform-unicode-escapes",
   "transform-unicode-regex"
 ]
diff --git a/packages/babel-standalone/src/generated/plugins.js b/packages/babel-standalone/src/generated/plugins.js
index 0b55279003db..7b8416105ce2 100644
--- a/packages/babel-standalone/src/generated/plugins.js
+++ b/packages/babel-standalone/src/generated/plugins.js
@@ -89,6 +89,7 @@ import transformStrictMode from "@babel/plugin-transform-strict-mode";
 import transformTemplateLiterals from "@babel/plugin-transform-template-literals";
 import transformTypeofSymbol from "@babel/plugin-transform-typeof-symbol";
 import transformTypescript from "@babel/plugin-transform-typescript";
+import transformUnicodeEscapes from "@babel/plugin-transform-unicode-escapes";
 import transformUnicodeRegex from "@babel/plugin-transform-unicode-regex";
 
 export {
@@ -178,6 +179,7 @@ export {
   transformTemplateLiterals,
   transformTypeofSymbol,
   transformTypescript,
+  transformUnicodeEscapes,
   transformUnicodeRegex,
 };
 
@@ -268,5 +270,6 @@ export const all = {
   "transform-template-literals": transformTemplateLiterals,
   "transform-typeof-symbol": transformTypeofSymbol,
   "transform-typescript": transformTypescript,
+  "transform-unicode-escapes": transformUnicodeEscapes,
   "transform-unicode-regex": transformUnicodeRegex,
 };
diff --git a/packages/babel-standalone/src/preset-es2015.js b/packages/babel-standalone/src/preset-es2015.js
index 0b48bb6f673b..0add83d9be72 100644
--- a/packages/babel-standalone/src/preset-es2015.js
+++ b/packages/babel-standalone/src/preset-es2015.js
@@ -29,6 +29,7 @@ export default (_: any, opts: Object): Object => {
       [babelPlugins.transformComputedProperties, optsLoose],
       [babelPlugins.transformForOf, optsLoose],
       babelPlugins.transformStickyRegex,
+      babelPlugins.transformUnicodeEscapes,
       babelPlugins.transformUnicodeRegex,
       [babelPlugins.transformSpread, optsLoose],
       [babelPlugins.transformParameters, optsLoose],