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2.1.0 - 2016.02.09
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@zloirock zloirock released this 08 Feb 23:31
· 5156 commits to master since this release
v2.1.0
bd87b8b
  • API:
    • ES5 polyfills are split and logic, used in other polyfills, moved to internal modules
      • All entry point works in ES3 environment like IE8- without core-js/(library/)es5
      • Added all missed single entry points for ES5 polyfills
      • Separated ES5 polyfills moved to the ES6 namespace. Why?
        • Mainly, for prevent duplication features in different namespaces - logic of most required ES5 polyfills changed in ES6+:
          • Already added changes for: Object statics - should accept primitives, new whitespaces lists in String#trim, parse(Int|float), RegExp#toString logic, String#split, etc
          • Should be changed in the future: @@species and ToLength logic in Array methods, Date parsing, Function#bind, etc
          • Should not be changed only several features like Array.isArray and Date.now
        • Some ES5 polyfills required for modern engines
      • All old entry points should work fine, but in the next major release API can be changed
    • Object.getOwnPropertyDescriptors moved to the stage 3, January TC39 meeting
    • Added umd option for custom build process, #169
    • Returned entry points for Array statics, removed in 2.0, for compatibility with babel 6 and for future fixes
  • Deprecated:
    • Reflect.enumerate deprecated and will be removed from the next major release, January TC39 meeting
  • New Features:
    • Added Reflect metadata API as a pre-strawman feature, #152:
      • Reflect.defineMetadata
      • Reflect.deleteMetadata
      • Reflect.getMetadata
      • Reflect.getMetadataKeys
      • Reflect.getOwnMetadata
      • Reflect.getOwnMetadataKeys
      • Reflect.hasMetadata
      • Reflect.hasOwnMetadata
      • Reflect.metadata
    • Implementation / fixes Date#toJSON
    • Fixes for parseInt and Number.parseInt
    • Fixes for parseFloat and Number.parseFloat
    • Fixes for RegExp#toString
    • Fixes for Array#sort
    • Fixes for Number#toFixed
    • Fixes for Number#toPrecision
    • Additional fixes for String#split (RegExp#@@split)
  • Improvements:
    • Correct subclassing wrapped collections, Number and RegExp constructors with native class syntax
    • Correct support SharedArrayBuffer and buffers from other realms in typed arrays wrappers
    • Additional validations for Object.{defineProperty, getOwnPropertyDescriptor} and Reflect.defineProperty
  • Bug Fixes:
    • Fixed some cases Array#lastIndexOf with negative second argument

And, as I wrote, I stop active core-js development before finding related work. I already have no money for repairing my PC :) If you wanna progress in core-js - feel free contribute to the project or propose me a good work.

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