Mozilla Firefox 35 was released today and we just added it on all OS platforms at Browserling. You can already cross-browser test your websites and code in Firefox 35!

Cross-browser testing in Firefox 35

Try Firefox 35 in Browserling now!

The new Firefox 35 features include:

  • Firefox Hello with new rooms-based conversations model.
  • New search UI improved and enabled for more locales.
  • Access the Firefox Marketplace from the Tools menu and optional toolbar button.
  • Built-in support for H264 (MP4) on Mac OS X Snow Leopard (10.6) and newer through native APIs.
  • Improved handling of dynamic styling changes to increase responsiveness.
  • Use tiled rendering on OS X.
  • Improved high quality image resizing performance.

Firefox 35 HTML5 updates include:

  • Changed JavaScript 'let' semantics to conform better to the ES6 specification.
  • Resource Timing API implemented.
  • CSS filters enabled by default.
  • Added support for the CSS Font Loading API.

Firefox 35 developer tool updates include:

  • Support for inspecting ::before and ::after pseudo elements.
  • Computed view: Nodes matching the hovered selector are now highlighted.
  • Network Monitor: New request/response headers view (more info).
  • Added support for the EXT_blend_minmax WebGL extension.

Firefox 35 fixes include:

  • Show DOM Properties context menu item in inspector.
  • Reduced resource usage for scaled images.
  • PDF.js updated to version 1.0.907.
  • Non-HTTP(S) XHR now returns correct status code.

Firefox 35 security fixes include:

  • Update OpenH264 plugin to version 1.3.
  • XrayWrapper bypass through DOM objects.
  • Delegated OCSP responder certificates failure with id-pkix-ocsp-nocheck extension.
  • Gecko Media Plugin sandbox escape.
  • Read-after-free in WebRTC.
  • Read of uninitialized memory in Web Audio.
  • Cookie injection through Proxy Authenticate responses.
  • sendBeacon requests lack an Origin header.
  • Uninitialized memory use during bitmap rendering.
  • Miscellaneous memory safety hazards (rv:35.0 / rv:31.4).

Happy cross-browser testing!