• Added Array find from last stage 1 proposal
  • Array#findLast
  • Array#findLastIndex
  • %TypedArray%#findLast
  • %TypedArray%#findLastIndex
• Added %TypedArray%#uniqueBy method for array deduplication stage 1 proposal
  • %TypedArray%#uniqueBy
• Dropped ToLength detection from array methods feature detection which could cause hanging FF11-21 and some versions of old WebKit, #764
• Minified bundle from core-js-bundle uses terser instead of uglify-js