Firefox Notes

Version 37.0, first offered to Release channel users on March 31, 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.

We'd also like to extend a special thank you to all of the new Mozillians who contributed to this release of Firefox!

What’s New

  • New

    Locales added: Albanian [sq], Burmese [my], Lower Sorbian [dsb], Songhai [son], Upper Sorbian [hsb], Uzbek [uz]

  • New

    Yandex set as default search provider for the Turkish locale

  • New

    Improved download performance with new download manager back-end

  • New

    Improved protection against site impersonation via OneCRL centralized certificate revocation

  • New

    Opportunistically encrypt HTTP traffic where the server supports HTTP/2 AltSvc

  • Changed

    URL bar now displays page address instead of page title by default

  • Changed

    Disabled insecure TLS version fallback for site security

  • Changed

    Extended SSL error reporting for reporting non-certificate errors

  • Changed

    TLS False Start optimization now requires a cipher suite using AEAD construction

  • Changed

    Improved certificate and TLS communication security by removing support for DSA

  • Changed

    Android home screen shortcut now opens existing tab instead of new tab

  • HTML5

    Added support for CSS display:contents

  • HTML5

    IndexedDB now accessible from worker threads

  • HTML5

    OpenH264 support added to WebRTC for Android

  • HTML5

    New SDP/JSEP implementation in WebRTC

  • Fixed

    Various security fixes

Known Issues

  • unresolved

    January Chromecast firmware update broke tab mirroring (1131084)

  • unresolved

    On Android 2.3, 3.0 and 4.0, some WebM videos cannot be read properly (1131563)

    Resolved in v38.0a2