Sourced from core-js's changelog.

3.3.5 - 2019.10.29

• Added a workaround of V8 deoptimization which causes serious performance degradation (~4x in my tests) of Array#concat, #679
• Added a workaround of V8 deoptimization which causes slightly performance degradation of Promise, #679
• Added (Async)Iterator.prototype.constructor -> (Async)Iterator per this issue
• Added compat data for Chromium-based Edge

3.3.4 - 2019.10.25

• Added a workaround of V8 deoptimization which causes serious performance degradation (~20x in my tests) of some RegExp-related methods like String#split, #306
• Added a workaround of V8 deoptimization which causes serious performance degradation (up to 100x in my tests) of Array#splice and slightly Array#{ filter, map }, #677
• Fixed work of fetch with polyfilled URLSearchParams, #674
• Fixed an edge case of String#replaceAll with an empty search value
• Added compat data for Chrome 80
• package-lock.json no longer generated in libraries

3.3.3 - 2019.10.22

• gopher removed from URL special cases per this issue and this PR
• Added compat data for iOS 13 and Node 13.0

3.3.2 - 2019.10.14

• Fixed compatibility of core-js-compat with Node 6 and Yarn, #669

3.3.1 - 2019.10.13

• Fixed a NPM publishing issue

3.3.0 - 2019.10.13

• 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

... (truncated)

• 29b2b46 3.3.5
• 5cc50d7 add globalThis to the stable ES section of the README
• 4bcf2fc prevent calling of custom toString twice
• eba9665 protest from incorrect Promise polyfills in v8 > 5.1
• 16cb899 add (Async)Iterator.prototype.constructor -> (Async)Iterator
• 22626ed add a workaround of V8 deoptimization which causes slightly performance degra...
• f0ea725 add a workaround of V8 deoptimization which causes serious performance degrad...
• a1f2ff6 fix linting issues
• 483fa4a update eslint
• 8bb937c add mapping for Chromium-based Edge
• Additional commits viewable in compare view

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
• @dependabot use these labels will set the current labels as the default for future PRs for this repo and language
• @dependabot use these reviewers will set the current reviewers as the default for future PRs for this repo and language
• @dependabot use these assignees will set the current assignees as the default for future PRs for this repo and language
• @dependabot use this milestone will set the current milestone as the default for future PRs for this repo and language
• @dependabot badge me will comment on this PR with code to add a "Dependabot enabled" badge to your readme

Additionally, you can set the following in your Dependabot dashboard:

• Update frequency (including time of day and day of week)
• Pull request limits (per update run and/or open at any time)
• Out-of-range updates (receive only lockfile updates, if desired)
• Security updates (receive only security updates, if desired)