Mozilla has switched Firefox to a rapid release development cycle which means new versions will come more frequently. The non-profit organization has promised to push out a new stable build every six weeks.

The latest Mozilla Firefox Beta is now available for testing on Windows, Mac, Linux and Android. This Beta includes performance enhancements that improve the browsing experience for users and enable developers to create faster web apps and websites.

What's New

Firefox Beta gets updated several times per week and as a consequence, the release notes for the Beta channel are updated continuously to reflect features that have reached sufficient maturity to benefit from community feedback and bug reports.

Bug Fixes

  • 1828587 Animated theme produces steady memory leak in occluded or minimized windows [leaking render-texture-hosts via RecvAddSharedSurface] Core Graphics: WebRender emilio RESO FIXE 04:13:29
  • 1770595 Intermittent infra TSAN | application terminated with exit code -6 | ERROR: ThreadSanitizer failed to allocate 0xf69000490000 (271098340507648) bytes at address 80400003000 (errno: 12) Core Sanitizers ryanvm RESO FIXE 23:14:16
  • 1827267 Serializer ignores OutputBodyOnly for tag attributes when OutputRaw set Core DOM: Serializers leftmostcat RESO FIXE Sat 13:34
  • 1827582 Tab becomes unresponsive on page load Core Layout: Flexbox aethanyc VERI FIXE 23:08:39
  • 1824498 Assertion failure: mResponseTarget->IsOnCurrentThread(), at /builds/worker/workspace/obj-build/dist/include/mozilla/MozPromise.h:600