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Release Notes tell you what’s new in Firefox. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release.

Firefox Beta — English (US)

Firefox Privacy Notice

37.0beta

Firefox for Android Beta

February 27, 2015

Version 37.0beta, first offered to Beta channel users on February 27, 2015

New

  • Updated Tablet UI

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

  • Added support for sending videos to Matchstick devices

  • Improved download performance with new download manager back-end

  • Improved protection against site impersonation via OneCRL centralized certificate revocation

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

Changed

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

  • Disabled insecure TLS version fallback for site security

  • Improved certificate and TLS communication security by removing support for DSA

  • Added support for e-mail name constraints in certificates

  • Extended SSL error reporting for reporting non-certificate errors

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

Web Platform

  • WebSocket now available in Web Workers

  • Added support for CSS display:contents

  • IndexedDB now accessible from worker threads