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@snyk-bot snyk-bot commented Mar 2, 2022

Snyk has created this PR to upgrade core-js from 3.15.2 to 3.21.0.

merge advice
ℹ️ Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.


  • The recommended version is 22 versions ahead of your current version.
  • The recommended version was released a month ago, on 2022-02-01.
Release notes
Package name: core-js
  • 3.21.0 - 2022-02-01
    • Added Base64 utility methods:
      • atob
      • btoa
    • Added the proper validation of arguments to some methods from web standards
    • Forced replacement of all features from early-stage proposals for avoiding possible web compatibility issues in the future
    • Added Rhino 1.7.14 compat data
    • Added Deno 1.19 compat data mapping
    • Added Opera Android 66 and 67 compat data mapping
    • Added iOS Safari 15.3 and 15.4 compat data mapping
  • 3.20.3 - 2022-01-15
    • Detects and replaces broken third-party Function#bind polyfills, uses only native Function#bind in the internals
    • structuredClone should throw an error if no arguments passed
    • Changed the structure of notes in __core-js_shared__
  • 3.20.2 - 2022-01-01
  • 3.20.1 - 2021-12-23
    • Fixed the order of calling reactions of already fulfilled / rejected promises in Promise.prototype.then, #1026
    • Fixed possible memory leak in specific promise chains
    • Fixed some missed dependencies of entries
    • Added Deno 1.18 compat data mapping
  • 3.20.0 - 2021-12-15
    • Added structuredClone method from the HTML spec, see MDN
      • Includes all cases of cloning and transferring of required ECMAScript and platform types that can be polyfilled, for the details see the caveats
      • Uses native structured cloning algorithm implementations where it's possible
      • Includes the new semantic of errors cloning from html/5749
    • Added DOMException polyfill, the Web IDL spec, see MDN
      • 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
    • 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:
      • Moved to stage 3
      • Added Array.prototype.groupByToMap method
      • Removed @@ species support
    • Added change Array by copy stage 2 proposal:
      • 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
    • Array.fromAsync proposal moved to stage 2
    • Added String.cooked stage 1 proposal:
    • Added Function.prototype.unThis stage 0 proposal
    • Added Function.{ isCallable, isConstructor } stage 0 proposal:
      • Function.isCallable
      • Function.isConstructor
    • Added a workaround of most cases breakage modern String#at after loading obsolete String#at proposal module, #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
      • Added a new core-js/actual/** namespace
      • Added entry points for each finished post-ES6 proposal
  • 3.19.3 - 2021-12-06
    • Fixed internal slots check in methods of some built-in types, #1017
    • Fixed URLSearchParams iterator .next that should be enumerable by the spec
    • Refactored Subscription
    • Added NodeJS 17.2 compat data mapping
  • 3.19.2 - 2021-11-29
    • Added a workaround for a UC Browser specific version bug with unobservable RegExp#sticky flag, #1008, #1015
    • Added handling of comments and specific spaces to Function#name polyfill, #1010, thanks @ 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
  • 3.19.1 - 2021-11-02
    • Added a workaround for FF26- bug where ArrayBuffers are non-extensible, but Object.isExtensible does not report it:
      • Fixed in Object.{ isExtensible, isSealed, isFrozen } and Reflect.isExtensible
      • Fixed handling of ArrayBuffers 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
    • 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
  • 3.19.0 - 2021-10-25
    • 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, 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
    • Added a workaround of a BrowserFS NodeJS process polyfill bug 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
    • Fixed core-js-builder work in NodeJS 17, added a workaround of webpack + NodeJS 17 issue
    • 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
  • 3.18.3 - 2021-10-12
    • 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
  • 3.18.2 - 2021-10-05
  • 3.18.1 - 2021-09-26
  • 3.18.0 - 2021-09-19
  • 3.17.3 - 2021-09-09
  • 3.17.2 - 2021-09-02
  • 3.17.1 - 2021-09-01
  • 3.17.0 - 2021-09-01
  • 3.16.4 - 2021-08-29
  • 3.16.3 - 2021-08-24
  • 3.16.2 - 2021-08-17
  • 3.16.1 - 2021-08-08
  • 3.16.0 - 2021-07-30
  • 3.15.2 - 2021-06-29
from core-js GitHub release notes
Commit messages
Package name: core-js
  • 32492dc 3.21.0
  • 248a3ea forced replacement of all methods from early stage proposals for avoiding possible web compatibility issues in the future
  • 985d127 update dependencies
  • 4faa860 [WIP] Add `atob` / `btoa` (#1036)
  • 8cf13a8 update dependencies
  • 100c539 add the proper validation of arguments to some methods from web standards
  • be8a033 add Opera Android 66 and 67 compat data mapping
  • 1209b78 add iOS Safari 15.4 compat data mapping
  • cbbad2e pin npm
  • 93ea957 add iOS Safari 15.3 compat data mapping
  • b440519 update dependencies
  • 0841613 enable `eslint-plugin-array-func`
  • 8e4c146 update dependencies
  • 7b2f971 update the changelog
  • a459585 Update data for rhino 1.7.14. (#1041)
  • 68dfcee enable `eslint-plugin-promise`
  • 39a3c4a update dependencies
  • 406c399 update dependencies
  • 4beb973 update dependencies
  • e1f35c3 update dependencies
  • 1b5ec41 add Deno 1.19 compat data mapping
  • 8ed271b update dependencies
  • 415ff6c update dependencies
  • aafb386 update dependencies

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