📝 What’s new in Waterfox Classic 2021.08

View Changes


  • Import V8 RegExp code (not yet enabled)
  • Add improvements for Canvas API
  • Implement Promise.allSettled()
  • Implement EventTarget() as a constructor
  • Align document.open() with the overhauled specification

✔ Fixed

  • Fixed problems with restoring session cookies.
  • Fixes for Internationalization API.
  • Fixed various media issues.
  • Fixed issues with CSS appearance
  • Various security issues from the latest v78 ESR.

ℹ️ Changed

  • Update lz4 to 1.9.3
  • Updated user-agent overrides
  • Do not throw from PerformanceObserver.observe when none of the entryTypes are known.

❌ Unresolved

  • DRM modules have been updated but no longer seem to work on macOS. If you’d like to watch DRM protected content such as on Netflix, Prime Video, etc. you will need to upgrade to Waterfox G3.

Contributors for this release

Majority of the contributions this release from:

Also from:

† As the differences between Classic and later Firefox versions grow, we are doing our best to patch the security advisories as we think apply to Classic. Not all patches apply cleanly or apply at all - but our better judgement is used. You can view unapplied security patches here.

🏆 Support Waterfox

If you’d really like to help Waterfox out, please consider using the default search (Bing) with adblock disabled on it, it would be such a huge show of support! The default search is fairly privacy friendly.