zloirock/core-js
### [`v3.20.1`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3201---20211223)
[Compare Source](https://togithub.com/zloirock/core-js/compare/v3.20.0...v3.20.1)
- Fixed the order of calling reactions of already fulfilled / rejected promises in `Promise.prototype.then`, [#1026](https://togithub.com/zloirock/core-js/issues/1026)
- Fixed possible memory leak in specific promise chains
- Fixed some missed dependencies of entries
- Added Deno 1.18 compat data mapping
### [`v3.20.0`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3200---20211216)
[Compare Source](https://togithub.com/zloirock/core-js/compare/v3.19.3...v3.20.0)
- Added `structuredClone` method [from the HTML spec](https://html.spec.whatwg.org/multipage/structured-data.html#dom-structuredclone), [see MDN](https://developer.mozilla.org/en-US/docs/Web/API/structuredClone)
- Includes all cases of cloning and transferring of required ECMAScript and platform types that can be polyfilled, for the details see [the caveats](https://togithub.com/zloirock/core-js#caveats-when-using-structuredclone-polyfill)
- Uses native structured cloning algorithm implementations where it's possible
- Includes the new semantic of errors cloning from [`html/5749`](https://togithub.com/whatwg/html/pull/5749)
- Added `DOMException` polyfill, [the Web IDL spec](https://webidl.spec.whatwg.org/#idl-DOMException), [see MDN](https://developer.mozilla.org/en-US/docs/Web/API/DOMException)
- Includes `DOMException` and its attributes polyfills with fixes of many different engines bugs
- Includes `DOMException#stack` property polyfill in engines that should have it
- Reuses native `DOMException` implementations where it's possible (for example, in old NodeJS where it's not exposed as global)
- Added [support of `cause` on all Error types](https://togithub.com/tc39/proposal-error-cause)
- Added `Error.prototype.toString` method polyfill with fixes of many different bugs of JS engines
- Added `Number.prototype.toExponential` method polyfill with fixes of many different bugs of JS engines
- [`Array` grouping proposal](https://togithub.com/tc39/proposal-array-grouping):
- Moved to stage 3
- Added `Array.prototype.groupByToMap` method
- Removed `@@species` support
- Added [change `Array` by copy stage 2 proposal](https://togithub.com/tc39/proposal-change-array-by-copy):
- `Array.prototype.toReversed`
- `Array.prototype.toSorted`
- `Array.prototype.toSpliced`
- `Array.prototype.with`
- `%TypedArray%.prototype.toReversed`
- `%TypedArray%.prototype.toSorted`
- `%TypedArray%.prototype.toSpliced`
- `%TypedArray%.prototype.with`
- Added `Iterator.prototype.toAsync` method from [the iterator helpers stage 2 proposal](https://togithub.com/tc39/proposal-iterator-helpers)
- [`Array.fromAsync` proposal](https://togithub.com/tc39/proposal-array-from-async) moved to stage 2
- Added [`String.cooked` stage 1 proposal](https://togithub.com/tc39/proposal-string-cooked):
- Added [`Function.prototype.unThis` stage 0 proposal](https://togithub.com/js-choi/proposal-function-un-this)
- Added [`Function.{ isCallable, isConstructor }` stage 0 proposal](https://togithub.com/caitp/TC39-Proposals/blob/trunk/tc39-reflect-isconstructor-iscallable.md):
- `Function.isCallable`
- `Function.isConstructor`
- Added a workaround of most cases breakage modern `String#at` after loading obsolete `String#at` proposal module, [#1019](https://togithub.com/zloirock/core-js/issues/1019)
- Fixed `Array.prototype.{ values, @@iterator }.name` in V8 ~ Chrome 45-
- Fixed validation of typed arrays in typed arrays iteration methods in V8 ~ Chrome 50-
- Extension of the API, [#1012](https://togithub.com/zloirock/core-js/issues/1012)
- Added a new `core-js/actual/**` namespace
- Added entry points for each finished post-ES6 proposal
### [`v3.19.3`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3193---20211206)
[Compare Source](https://togithub.com/zloirock/core-js/compare/v3.19.2...v3.19.3)
- Fixed internal slots check in methods of some built-in types, [#1017](https://togithub.com/zloirock/core-js/issues/1017)
- Fixed `URLSearchParams` iterator `.next` that should be enumerable [by the spec](https://webidl.spec.whatwg.org/#es-iterator-prototype-object)
- Refactored `Subscription`
- Added NodeJS 17.2 compat data mapping
### [`v3.19.2`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3192---20211129)
[Compare Source](https://togithub.com/zloirock/core-js/compare/v3.19.1...v3.19.2)
- Added a workaround for a UC Browser specific version bug with unobservable `RegExp#sticky` flag, [#1008](https://togithub.com/zloirock/core-js/issues/1008), [#1015](https://togithub.com/zloirock/core-js/issues/1015)
- Added handling of comments and specific spaces to `Function#name` polyfill, [#1010](https://togithub.com/zloirock/core-js/issues/1010), thanks [@ildar-shaimordanov](https://togithub.com/ildar-shaimordanov)
- Prevented some theoretical cases of breaking / observing the internal state by patching `Array.prototype[@@species]`
- Refactored `URL` and `URLSearchParams`
- Added iOS Safari 15.2 compat data mapping
- Added Electron 17.0 compat data mapping
- Updated Deno compat data mapping
### [`v3.19.1`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3191---20211103)
[Compare Source](https://togithub.com/zloirock/core-js/compare/v3.19.0...v3.19.1)
- Added a workaround for FF26- bug where `ArrayBuffer`s are non-extensible, but `Object.isExtensible` does not report it:
- Fixed in `Object.{ isExtensible, isSealed, isFrozen }` and `Reflect.isExtensible`
- Fixed handling of `ArrayBuffer`s as collections keys
- Fixed `Object#toString` on `AggregateError` in IE10-
- Fixed possible lack of dependencies of `WeakMap` in IE8-
- `.findLast` methods family marked as supported [from Chrome 97](https://chromestatus.com/features#milestone%3D97)
- Fixed inheritance of Electron compat data `web.` modules
- Fixed Safari 15.1 compat data (some features were not added)
- Added iOS Safari 15.1 compat data mapping
### [`v3.19.0`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3190---20211025)
[Compare Source](https://togithub.com/zloirock/core-js/compare/v3.18.3...v3.19.0)
- Most built-ins are encapsulated in `core-js` for preventing possible cases of breaking / observing the internal state by patching / deleting of them
- Avoid `.call` / `.apply` prototype methods that could be patched
- Avoid `instanceof` operator - implicit `.prototype` / `@@hasInstance` access that could be patched
- Avoid `RegExp#test`, `String#match` and some over methods - implicit `.exec` and `RegExp` well-known symbols access that could be patched
- Clearing of `Error` stack from extra entries experimentally added to `AggregateError`, [#996](https://togithub.com/zloirock/core-js/pull/996), in case lack of problems it will be extended to other cases
- In engines with native `Symbol` support, new well-known symbols created with usage `Symbol.for` for ensuring the same keys in different realms, [#998](https://togithub.com/zloirock/core-js/issues/998)
- Added a workaround of [a BrowserFS NodeJS `process` polyfill bug](https://togithub.com/jvilk/bfs-process/issues/5) that incorrectly reports V8 version that's used in some cases of `core-js` feature detection
- Fixed normalization of `message` `AggregateError` argument
- Fixed order of arguments conversion in `Math.scale`, [a spec draft bug](https://togithub.com/rwaldron/proposal-math-extensions/issues/24)
- Fixed `core-js-builder` work in NodeJS 17, added a workaround of [`webpack` + NodeJS 17 issue](https://togithub.com/webpack/webpack/issues/14532)
- Added NodeJS 17.0 compat data mapping
- Added Opera Android 65 compat data mapping
- Updated Electron 16.0 compat data mapping
- Many other minor fixes and improvements
### [`v3.18.3`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3183---20211013)
[Compare Source](https://togithub.com/zloirock/core-js/compare/v3.18.2...v3.18.3)
- Fixed the prototype chain of `AggregateError` constructor that should contain `Error` constructor
- Fixed incorrect `AggregateError.prototype` properties descriptors
- Fixed `InstallErrorCause` internal operation
- Added NodeJS 16.11 compat data mapping
- Added Deno 1.16 compat data mapping
- `Object.hasOwn` marked as supported from Safari 15.1
### [`v3.18.2`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3182---20211006)
[Compare Source](https://togithub.com/zloirock/core-js/compare/v3.18.1...v3.18.2)
- Early `{ Array, %TypedArray% }.fromAsync` errors moved to the promise, per the latest changes of the spec draft
- Internal `ToInteger(OrInfinity)` operation returns `+0` for `-0` argument, ES2020+ update
- Fixed theoretical problems with handling bigint in `Number` constructor wrapper
- Fixed `String.raw` with extra arguments
- Fixed some missed dependencies in entry points
- Some other minor fixes and improvements
- Refactoring
### [`v3.18.1`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3181---20210927)
[Compare Source](https://togithub.com/zloirock/core-js/compare/v3.18.0...v3.18.1)
- Fixed `String.prototype.substr` feature detection and compat data
- Removed mistakenly added `.forEach` from prototypes of some DOM collections where it shouldn't be, [#988](https://togithub.com/zloirock/core-js/issues/988), [#987](https://togithub.com/zloirock/core-js/issues/987), thanks [@moorejs](https://togithub.com/moorejs)
- Added `cause` to `AggregateError` constructor implementation (still without adding to the feature detection)
- Families of `.at` and `.findLast` methods marked as supported in Safari TP
- Added Electron 16.0 compat data mapping
### [`v3.18.0`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3180---20210920)
[Compare Source](https://togithub.com/zloirock/core-js/compare/v3.17.3...v3.18.0)
- Added [`Array.fromAsync` stage 1 proposal](https://togithub.com/tc39/proposal-array-from-async):
- `Array.fromAsync`
- `%TypedArray%.fromAsync`
- `.name` and `.toString()` on polyfilled functions improved in many different cases
- Improved internal `IsConstructor` and `IsCallable` checks
- Fixed some internal cases of `GetMethod` operation
- Fixed a bug of MS Edge 18- `parseInt` / `parseFloat` with boxed symbols
- Fixed `es.array.{ index-of, last-index-of }` compat data
- Added Deno 1.15 compat data mapping
- Some other minor fixes and optimizations
### [`v3.17.3`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3173---20210909)
[Compare Source](https://togithub.com/zloirock/core-js/compare/v3.17.2...v3.17.3)
- Fixed some possible problems related to possible extension of `%IteratorPrototype%` and `%AsyncIteratorPrototype%` in the future
- Fixed `DOMTokenList.prototype.{ forEach, @@iterator, keys, values, entries }` in old WebKit versions where `element.classList` is not an instance of global `DOMTokenList`
- Added NodeJS 16.9 compat data mapping
- Added Samsung Internet 16.0 compat data mapping
### [`v3.17.2`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3172---20210903)
[Compare Source](https://togithub.com/zloirock/core-js/compare/v3.17.1...v3.17.2)
- Fixed missed cases of ES3 reserved words usage, related to [#980](https://togithub.com/zloirock/core-js/issues/980)
- Fixed dependencies in one missed entry point
- Some other minor fixes and optimizations
### [`v3.17.1`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3171---20210902)
[Compare Source](https://togithub.com/zloirock/core-js/compare/v3.17.0...v3.17.1)
- Fixed missed `modules-by-versions` data
### [`v3.17.0`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3170---20210902)
[Compare Source](https://togithub.com/zloirock/core-js/compare/v3.16.4...v3.17.0)
- [Accessible `Object.prototype.hasOwnProperty` (`Object.hasOwn`) proposal](https://togithub.com/tc39/proposal-accessible-object-hasownproperty) moved to the stable ES, [per August 2021 TC39 meeting](https://togithub.com/babel/proposals/issues/76#issuecomment-909288348)
- [Relative indexing method (`.at`) proposal](https://togithub.com/tc39/proposal-relative-indexing-method) moved to the stable ES, [per August 2021 TC39 meeting](https://togithub.com/babel/proposals/issues/76#issuecomment-909285053)
- Exposed by default the stable version of `String.prototype.at`. It was not exposed because of the conflict with the alternative obsolete proposal (that will be completely removed in the next major version). For the backward compatibility, in the case of loading this proposal, it will be overwritten.
- Some more iteration closing fixes
- Fixed an ES3 reserved words usage, [#980](https://togithub.com/zloirock/core-js/issues/980)
Configuration
📅 Schedule: "before 3am on the first day of the month" in timezone Asia/Tokyo.
🚦 Automerge: Enabled.
♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
[ ] If you want to rebase/retry this PR, click this checkbox.
This PR contains the following updates:
3.16.4
->3.20.1
Release Notes
zloirock/core-js
### [`v3.20.1`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3201---20211223) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.20.0...v3.20.1) - Fixed the order of calling reactions of already fulfilled / rejected promises in `Promise.prototype.then`, [#1026](https://togithub.com/zloirock/core-js/issues/1026) - Fixed possible memory leak in specific promise chains - Fixed some missed dependencies of entries - Added Deno 1.18 compat data mapping ### [`v3.20.0`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3200---20211216) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.19.3...v3.20.0) - Added `structuredClone` method [from the HTML spec](https://html.spec.whatwg.org/multipage/structured-data.html#dom-structuredclone), [see MDN](https://developer.mozilla.org/en-US/docs/Web/API/structuredClone) - Includes all cases of cloning and transferring of required ECMAScript and platform types that can be polyfilled, for the details see [the caveats](https://togithub.com/zloirock/core-js#caveats-when-using-structuredclone-polyfill) - Uses native structured cloning algorithm implementations where it's possible - Includes the new semantic of errors cloning from [`html/5749`](https://togithub.com/whatwg/html/pull/5749) - Added `DOMException` polyfill, [the Web IDL spec](https://webidl.spec.whatwg.org/#idl-DOMException), [see MDN](https://developer.mozilla.org/en-US/docs/Web/API/DOMException) - Includes `DOMException` and its attributes polyfills with fixes of many different engines bugs - Includes `DOMException#stack` property polyfill in engines that should have it - Reuses native `DOMException` implementations where it's possible (for example, in old NodeJS where it's not exposed as global) - Added [support of `cause` on all Error types](https://togithub.com/tc39/proposal-error-cause) - Added `Error.prototype.toString` method polyfill with fixes of many different bugs of JS engines - Added `Number.prototype.toExponential` method polyfill with fixes of many different bugs of JS engines - [`Array` grouping proposal](https://togithub.com/tc39/proposal-array-grouping): - Moved to stage 3 - Added `Array.prototype.groupByToMap` method - Removed `@@species` support - Added [change `Array` by copy stage 2 proposal](https://togithub.com/tc39/proposal-change-array-by-copy): - `Array.prototype.toReversed` - `Array.prototype.toSorted` - `Array.prototype.toSpliced` - `Array.prototype.with` - `%TypedArray%.prototype.toReversed` - `%TypedArray%.prototype.toSorted` - `%TypedArray%.prototype.toSpliced` - `%TypedArray%.prototype.with` - Added `Iterator.prototype.toAsync` method from [the iterator helpers stage 2 proposal](https://togithub.com/tc39/proposal-iterator-helpers) - [`Array.fromAsync` proposal](https://togithub.com/tc39/proposal-array-from-async) moved to stage 2 - Added [`String.cooked` stage 1 proposal](https://togithub.com/tc39/proposal-string-cooked): - Added [`Function.prototype.unThis` stage 0 proposal](https://togithub.com/js-choi/proposal-function-un-this) - Added [`Function.{ isCallable, isConstructor }` stage 0 proposal](https://togithub.com/caitp/TC39-Proposals/blob/trunk/tc39-reflect-isconstructor-iscallable.md): - `Function.isCallable` - `Function.isConstructor` - Added a workaround of most cases breakage modern `String#at` after loading obsolete `String#at` proposal module, [#1019](https://togithub.com/zloirock/core-js/issues/1019) - Fixed `Array.prototype.{ values, @@iterator }.name` in V8 ~ Chrome 45- - Fixed validation of typed arrays in typed arrays iteration methods in V8 ~ Chrome 50- - Extension of the API, [#1012](https://togithub.com/zloirock/core-js/issues/1012) - Added a new `core-js/actual/**` namespace - Added entry points for each finished post-ES6 proposal ### [`v3.19.3`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3193---20211206) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.19.2...v3.19.3) - Fixed internal slots check in methods of some built-in types, [#1017](https://togithub.com/zloirock/core-js/issues/1017) - Fixed `URLSearchParams` iterator `.next` that should be enumerable [by the spec](https://webidl.spec.whatwg.org/#es-iterator-prototype-object) - Refactored `Subscription` - Added NodeJS 17.2 compat data mapping ### [`v3.19.2`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3192---20211129) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.19.1...v3.19.2) - Added a workaround for a UC Browser specific version bug with unobservable `RegExp#sticky` flag, [#1008](https://togithub.com/zloirock/core-js/issues/1008), [#1015](https://togithub.com/zloirock/core-js/issues/1015) - Added handling of comments and specific spaces to `Function#name` polyfill, [#1010](https://togithub.com/zloirock/core-js/issues/1010), thanks [@ildar-shaimordanov](https://togithub.com/ildar-shaimordanov) - Prevented some theoretical cases of breaking / observing the internal state by patching `Array.prototype[@@species]` - Refactored `URL` and `URLSearchParams` - Added iOS Safari 15.2 compat data mapping - Added Electron 17.0 compat data mapping - Updated Deno compat data mapping ### [`v3.19.1`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3191---20211103) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.19.0...v3.19.1) - Added a workaround for FF26- bug where `ArrayBuffer`s are non-extensible, but `Object.isExtensible` does not report it: - Fixed in `Object.{ isExtensible, isSealed, isFrozen }` and `Reflect.isExtensible` - Fixed handling of `ArrayBuffer`s as collections keys - Fixed `Object#toString` on `AggregateError` in IE10- - Fixed possible lack of dependencies of `WeakMap` in IE8- - `.findLast` methods family marked as supported [from Chrome 97](https://chromestatus.com/features#milestone%3D97) - Fixed inheritance of Electron compat data `web.` modules - Fixed Safari 15.1 compat data (some features were not added) - Added iOS Safari 15.1 compat data mapping ### [`v3.19.0`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3190---20211025) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.18.3...v3.19.0) - Most built-ins are encapsulated in `core-js` for preventing possible cases of breaking / observing the internal state by patching / deleting of them - Avoid `.call` / `.apply` prototype methods that could be patched - Avoid `instanceof` operator - implicit `.prototype` / `@@hasInstance` access that could be patched - Avoid `RegExp#test`, `String#match` and some over methods - implicit `.exec` and `RegExp` well-known symbols access that could be patched - Clearing of `Error` stack from extra entries experimentally added to `AggregateError`, [#996](https://togithub.com/zloirock/core-js/pull/996), in case lack of problems it will be extended to other cases - In engines with native `Symbol` support, new well-known symbols created with usage `Symbol.for` for ensuring the same keys in different realms, [#998](https://togithub.com/zloirock/core-js/issues/998) - Added a workaround of [a BrowserFS NodeJS `process` polyfill bug](https://togithub.com/jvilk/bfs-process/issues/5) that incorrectly reports V8 version that's used in some cases of `core-js` feature detection - Fixed normalization of `message` `AggregateError` argument - Fixed order of arguments conversion in `Math.scale`, [a spec draft bug](https://togithub.com/rwaldron/proposal-math-extensions/issues/24) - Fixed `core-js-builder` work in NodeJS 17, added a workaround of [`webpack` + NodeJS 17 issue](https://togithub.com/webpack/webpack/issues/14532) - Added NodeJS 17.0 compat data mapping - Added Opera Android 65 compat data mapping - Updated Electron 16.0 compat data mapping - Many other minor fixes and improvements ### [`v3.18.3`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3183---20211013) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.18.2...v3.18.3) - Fixed the prototype chain of `AggregateError` constructor that should contain `Error` constructor - Fixed incorrect `AggregateError.prototype` properties descriptors - Fixed `InstallErrorCause` internal operation - Added NodeJS 16.11 compat data mapping - Added Deno 1.16 compat data mapping - `Object.hasOwn` marked as supported from Safari 15.1 ### [`v3.18.2`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3182---20211006) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.18.1...v3.18.2) - Early `{ Array, %TypedArray% }.fromAsync` errors moved to the promise, per the latest changes of the spec draft - Internal `ToInteger(OrInfinity)` operation returns `+0` for `-0` argument, ES2020+ update - Fixed theoretical problems with handling bigint in `Number` constructor wrapper - Fixed `String.raw` with extra arguments - Fixed some missed dependencies in entry points - Some other minor fixes and improvements - Refactoring ### [`v3.18.1`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3181---20210927) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.18.0...v3.18.1) - Fixed `String.prototype.substr` feature detection and compat data - Removed mistakenly added `.forEach` from prototypes of some DOM collections where it shouldn't be, [#988](https://togithub.com/zloirock/core-js/issues/988), [#987](https://togithub.com/zloirock/core-js/issues/987), thanks [@moorejs](https://togithub.com/moorejs) - Added `cause` to `AggregateError` constructor implementation (still without adding to the feature detection) - Families of `.at` and `.findLast` methods marked as supported in Safari TP - Added Electron 16.0 compat data mapping ### [`v3.18.0`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3180---20210920) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.17.3...v3.18.0) - Added [`Array.fromAsync` stage 1 proposal](https://togithub.com/tc39/proposal-array-from-async): - `Array.fromAsync` - `%TypedArray%.fromAsync` - `.name` and `.toString()` on polyfilled functions improved in many different cases - Improved internal `IsConstructor` and `IsCallable` checks - Fixed some internal cases of `GetMethod` operation - Fixed a bug of MS Edge 18- `parseInt` / `parseFloat` with boxed symbols - Fixed `es.array.{ index-of, last-index-of }` compat data - Added Deno 1.15 compat data mapping - Some other minor fixes and optimizations ### [`v3.17.3`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3173---20210909) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.17.2...v3.17.3) - Fixed some possible problems related to possible extension of `%IteratorPrototype%` and `%AsyncIteratorPrototype%` in the future - Fixed `DOMTokenList.prototype.{ forEach, @@iterator, keys, values, entries }` in old WebKit versions where `element.classList` is not an instance of global `DOMTokenList` - Added NodeJS 16.9 compat data mapping - Added Samsung Internet 16.0 compat data mapping ### [`v3.17.2`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3172---20210903) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.17.1...v3.17.2) - Fixed missed cases of ES3 reserved words usage, related to [#980](https://togithub.com/zloirock/core-js/issues/980) - Fixed dependencies in one missed entry point - Some other minor fixes and optimizations ### [`v3.17.1`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3171---20210902) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.17.0...v3.17.1) - Fixed missed `modules-by-versions` data ### [`v3.17.0`](https://togithub.com/zloirock/core-js/blob/HEAD/CHANGELOG.md#3170---20210902) [Compare Source](https://togithub.com/zloirock/core-js/compare/v3.16.4...v3.17.0) - [Accessible `Object.prototype.hasOwnProperty` (`Object.hasOwn`) proposal](https://togithub.com/tc39/proposal-accessible-object-hasownproperty) moved to the stable ES, [per August 2021 TC39 meeting](https://togithub.com/babel/proposals/issues/76#issuecomment-909288348) - [Relative indexing method (`.at`) proposal](https://togithub.com/tc39/proposal-relative-indexing-method) moved to the stable ES, [per August 2021 TC39 meeting](https://togithub.com/babel/proposals/issues/76#issuecomment-909285053) - Exposed by default the stable version of `String.prototype.at`. It was not exposed because of the conflict with the alternative obsolete proposal (that will be completely removed in the next major version). For the backward compatibility, in the case of loading this proposal, it will be overwritten. - Some more iteration closing fixes - Fixed an ES3 reserved words usage, [#980](https://togithub.com/zloirock/core-js/issues/980)Configuration
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