A few hours ago today the new Firefox 34 was released and we've happy to announce that it's already available at Browserling. You can already cross-browser test your websites in Firefox 34!

Cross-browser testing in Firefox 34

Try Firefox 34 in Browserling now!

The new Firefox 34 features include:

  • Default search engine changed to Yandex for Belarusian, Kazakh, and Russian locales.
  • Improved search bar (en-US only).
  • Firefox Hello real-time communication client.
  • Easily switch themes/personas directly in the Customizing mode.
  • Wikipedia search now uses HTTPS for secure searching (en-US only).
  • Recover from a locked Firefox process in the "Firefox is already running" dialog on Windows.

Firefox 34 biggest changes include:

  • Disabled SSLv3.
  • Proprietary window.crypto properties/functions re-enabled (to be removed in Firefox 35).
  • Firefox signed by Apple OS X version 2 signature.

Firefox 34 HTML5 updates include:

  • ECMAScript 6 WeakSet Implemented.
  • JavaScript Template Strings Implemented.
  • CSS3 Font variants and features control (e.g. kerning) implemented.
  • WebCrypto: RSA-OAEP, PBKDF2 and AES-KW support.
  • WebCrypto: wrapKey and unwrapKey implemented.
  • WebCrypto: Import/export of JWK-formatted keys.
  • matches() DOM API implemented (formerly mozMatchesSelector()).
  • Performance.now() for workers implemented.
  • WebCrypto: ECDH support.

Firefox 34 developer tool updates include:

  • WebIDE: Create, edit, and test a new Web application from your browser.
  • Highlight all nodes that match a given selector in the Style Editor and the Inspector's Rules panel.
  • Improved User Interface of the Profiler.
  • console.table function added to web console.

Firefox 34 fixes include:

  • CSS transitions start correctly when started at the same time as changes to display, position, overflow, and similar properties.
  • Fullscreen video on Mac disables display sleep, and dimming, during playback.
  • Various Yosemite visual fixes.

Firefox 34 security fixes include:

  • Update OpenH264 plugin to version 1.3.
  • Privileged access to security wrapped protected objects.
  • Apple CoreGraphics framework on OS X 10.10 logging input data to /tmp directory.
  • Bad casting from the BasicThebesLayer to BasicContainerLayer.
  • Buffer overflow while parsing media content.
  • Use-after-free during HTML5 parsing.
  • CSP leaks redirect data via violation reports.
  • XMLHttpRequest crashes with some input streams.
  • XBL bindings accessible via improper CSS declarations.
  • Miscellaneous memory safety hazards (rv:34.0 / rv:31.3).

Happy cross-browser testing!