Polyfill Library Versions Save

What's Changed

• Add documentation section for AWS Lambda by @RodrigoTomeES in #1293
• Add extra tests for Array.prototype.sort by @romainmenke in #1288
• Add HTMLFormElement.prototype.requestSubmit Polyfill by @andrew-pyle in #1241
• Serve isIntersecting polyfill for chromium based browsers by @romainmenke in #1283
• Add change-array-by-copy polyfills by @mhassan1 in b91e288
• Add TypedArray.prototype.sort polyfill by @mhassan1 in bba9e55
• Streamline TypedArray polyfills by @lehni in 8d2cb51

New Contributors

• @andrew-pyle made their first contribution in https://github.com/Financial-Times/polyfill-library/pull/1241
• @lehni made their first contribution in https://github.com/Financial-Times/polyfill-library/pull/1271
• @RodrigoTomeES made their first contribution in https://github.com/Financial-Times/polyfill-library/pull/1293

Full Changelog: https://github.com/Financial-Times/polyfill-library/compare/v4.7.0...v4.8.0

What's Changed

• Adds structuredClone polyfill by @CheloXL #1270
• Adds Element.prototype.replaceChildren polyfill by @mhassan1 #1266
• Fixes key collisions in internal Map storage #1275

New Contributors

• @CheloXL made their first contribution in https://github.com/Financial-Times/polyfill-library/pull/1242

Full Changelog: https://github.com/Financial-Times/polyfill-library/compare/v4.6.0...v4.7.0

What's Changed

• Adds Error.cause polyfill by @mhassan1 a613013
• Adds conditional Error.cause to AggregateError by @mhassan1 c7a1de7
• IntersectionObserver: serve to Safari <17.0 #1255
• update dependencies and update some polyfill configs #1248

Full Changelog: https://github.com/Financial-Times/polyfill-library/compare/v4.5.0...v4.6.0

What's Changed

• Intl.ListFormat: serve to Safari <16.0 in https://github.com/Financial-Times/polyfill-library/pull/1229
• Adds findLast and findLastIndex polyfills by @mhassan1 in https://github.com/Financial-Times/polyfill-library/pull/1230
• IntersectionObserver: serve to Safari <16.1 in https://github.com/Financial-Times/polyfill-library/pull/1231

Full Changelog: https://github.com/Financial-Times/polyfill-library/compare/v4.4.0...v4.5.0

What's Changed

• Adds polyfill for Object.hasOwn by @mhassan1 in https://github.com/Financial-Times/polyfill-library/pull/1214
• validate browser configs (part 2) by @romainmenke in https://github.com/Financial-Times/polyfill-library/pull/1220
• Adds polyfill for Object.prototype.toString by @mhassan1 in https://github.com/Financial-Times/polyfill-library/pull/1216
• Adds x and y to IntersectionObserverEntry by @mhassan1 in https://github.com/Financial-Times/polyfill-library/pull/1222
• Adds CharacterData.prototype polyfills by @mhassan1 in https://github.com/Financial-Times/polyfill-library/pull/1224
• Adds Node.prototype.getRootNode and Node.prototype.isConnected polyfills by @mhassan1 in https://github.com/Financial-Times/polyfill-library/pull/1223

Full Changelog: https://github.com/Financial-Times/polyfill-library/compare/v4.3.0...v4.4.0

What's Changed

• Adds Symbol.toStringTag to several prototypes by @mhassan1 in https://github.com/Financial-Times/polyfill-library/pull/1187
• Adds polyfills for TypedArray.prototype methods by @mhassan1 in https://github.com/Financial-Times/polyfill-library/pull/1208
• update dependencies #1207
  • update @webcomponents/template to v1.5.0
  • update @financial-times/polyfill-useragent-normaliser to v2.0.1

Full Changelog: https://github.com/Financial-Times/polyfill-library/compare/v4.2.0...v4.3.0

What's Changed

• validate browser configs in #1204
  • ios_chr support stats were removed. The user agent normaliser maps ios_chr to ios_saf.
  • edge support stats above 18 were removed. The user agent normaliser maps Chromium edge to chrome.
  • Added many missing support stats for opera, op_mob, ios_saf and samsung_mob.
  • Resolved a few obvious typo's and bugs in support stats.
  • Added a tool for maintainers to track the state of the browser support stats.
• fix weekly test suite by @romainmenke in https://github.com/Financial-Times/polyfill-library/pull/1200
• fix HTMLElement.prototype.inert by @romainmenke in https://github.com/Financial-Times/polyfill-library/pull/1201
  • This was previously polyfilled as Element.prototype.inert. The old name was kept as an alias.
  • Added missing support stats as browsers have native support now.

Full Changelog: https://github.com/Financial-Times/polyfill-library/compare/v4.1.1...v4.2.0

What's Changed

• Serve IntersectionObserver to Safari <16 #1197 #1192
• Fix incomplete implementations of ArrayBuffer in Internet Explorer #1190 #1132
• Fixes TypedArray.prototype.at to avoid adding at to Object.prototype #1188

Thanks to @mhassan1 for their contributions to this release.

Full Changelog: https://github.com/Financial-Times/polyfill-library/compare/v4.1.0...v4.1.1

v4.0.0

It's been a few years since the last major release. This major release made these changes:

• Dropped support for Node 8 and Node 10 (https://github.com/Financial-Times/polyfill-library/pull/1148)
• Drop support for Internet Explorer 8 by updating polyfill-useragent-normalizer (https://github.com/Financial-Times/polyfill-useragent-normaliser/pull/173)
• Updated browser lists to remove Internet Explorer 8 (https://github.com/Financial-Times/polyfill-library/pull/1150)
• Removed polyfills and dependencies for IE 6 and 7 (e.g. Window, JSON, localStorage) (https://github.com/Financial-Times/polyfill-library/pull/1149)
• Removed polyfills and dependencies for IE 8 (e.g. Array.isArray, Date.now, document) (https://github.com/Financial-Times/polyfill-library/pull/1153)