• String#{ matchAll, replaceAll } throws an error on non-global regex argument per the decision from TC39 meetings (+ this PR). It's a breaking change, but since it's a breaking change in the ES spec, it's added at the minor release
• globalThis moved to stable ES, per October TC39 meeting
• Promise.any moved to stage 3, some minor internal changes, per October TC39 meeting
• String#replaceAll moved to stage 3, per October TC39 meeting
• Added iterator helpers stage 2 proposal:
  • Iterator
    • Iterator.from
    • Iterator#asIndexedPairs
    • Iterator#drop
    • Iterator#every
    • Iterator#filter
    • Iterator#find
    • Iterator#flatMap
    • Iterator#forEach
    • Iterator#map
    • Iterator#reduce
    • Iterator#some
    • Iterator#take
    • Iterator#toArray
    • Iterator#@@toStringTag
  • AsyncIterator
    • AsyncIterator.from
    • AsyncIterator#asIndexedPairs
    • AsyncIterator#drop
    • AsyncIterator#every
    • AsyncIterator#filter
    • AsyncIterator#find
    • AsyncIterator#flatMap
    • AsyncIterator#forEach
    • AsyncIterator#map
    • AsyncIterator#reduce
    • AsyncIterator#some
    • AsyncIterator#take
    • AsyncIterator#toArray
    • AsyncIterator#@@toStringTag
• Updated Map#upsert (Map#updateOrInsert before) proposal
  • Moved to stage 2, per October TC39 meeting
  • Map#updateOrInsert renamed to Map#upsert
  • Added WeakMap#upsert
  • You can don't pass one of the callbacks
• Added a workaround for iOS Safari MessageChannel + bfcache bug, #624
• Added a workaround for Chrome 33 / Android 4.4.4 Promise bug, #640
• Replaced broken URL constructor in Safari and URLSearchParams in Chrome 66-, #656
• Added compat data for Node up to 12.11, FF 69, Samsung up to 10.2 and Phantom 1.9
• Math.hypot marked as not supported in Chrome 77 since a bug in this method was not fixed before the stable Chrome 77 release
• Fixed unnecessary exposing on Symbol.matchAll in esnext.string.match-all, #626
• Fixed missed cases access the .next method once, at the beginning, of the iteration protocol
• Show similar postinstall messages only once per npm i, #597, thanks @remy