Firefox Beta Notes

Version 38.0beta, first offered to Beta channel users on April 1, 2015

Check out "What’s New" and "Known Issues" for this version of Firefox below. As always, you’re encouraged to tell us what you think, or file a bug in Bugzilla. If interested, please see the complete list of changes in this release.

What’s New

  • New

    Ruby annotation support

  • New

    Locale added: Azerbaijani (az)

  • Changed

    autocomplete=off is no longer supported for username/password fields

  • Changed

    URL parser avoids doing percent encoding when setting the Fragment part of the URL, and percent decoding when getting the Fragment in line with the URL spec

  • Changed

    RegExp.prototype.source now returns "(?:)" instead of the empty string for empty regular expressions

  • Changed

    Page load times improved by speculative connection warmup

  • HTML5

    WebSocket now available in Web Workers

  • HTML5

    Implemented srcset attribute and <picture> element for responsive images

  • HTML5

    Implemented DOM3 Events KeyboardEvent.code

  • HTML5

    BroadcastChannel API implemented (more at hacks.mozilla.org)

  • Developer

    WebRTC now has multistream and renegotiation support