Mozilla released Firefox 23 today. We were super quick and added it to our browser cloud later in the day. It's available for cross-browser testing already on all platforms.

Firefox 23 cross browser testing

Try Mozilla Firefox 23 in Browserling now!

New in Firefox 23

  • Updated Firefox Logo.
  • Enable JavaScript preference checkbox has been removed and user-set values will be reset to the default.
  • Users can now switch to a new search provider across the entire browser.
  • Options panel created for Web Developer Toolbox.
  • Replace fixed-ratio audio resampler in capture code with Speex resampler and eliminate pseudo-44000Hz rate.
  • Simplified interface for notifications of plugin installation.
  • Improved about:memory's functional UI.
  • <input type='file'> rendering improvements.
  • Load images automatically and Always show the tab bar checkboxes removed from preferences and reset to defaults.
  • CSP policies using the standard syntax and semantics will now be enforced.
  • Mixed content blocking enabled to protects users from man-in-the-middle attacks and eavesdroppers on HTTPS pages.
  • Enabled DXVA2 on Windows Vista+ to accelerate H.264 video decoding.

Developer News in Firefox 23

  • Dropped blink effect from text-decoration: blink; and completely removed <blink> element.
  • New feature in toolbox: Network Monitor.
  • Social share functionality.
  • HTML5 <input type="range"> form control implemented.
  • Write more accessible pages on touch interfaces with new ARIA role for key buttons.
  • Implemented a global browser console.
  • Added unprefixed requestAnimationFrame.

Security Fixes in Firefox 23

  • Local Java applets may read contents of local file system.
  • Firefox full and stub installer DLL hijacking.
  • Same-origin bypass with web workers and XMLHttpRequest.
  • Wrong principal used for validating URI for some Javascript components.
  • Further Privilege escalation through Mozilla Updater.
  • Bypass of XrayWrappers using XBL Scopes.
  • CRMF requests allow for code execution and XSS attacks.
  • Document URI misrepresentation and masquerading.
  • Crash during WAV audio file decoding.
  • Buffer overflow in Mozilla Maintenance Service and Mozilla Updater.
  • Buffer underflow when generating CRMF requests.
  • Use after free mutating DOM during SetBody.
  • Miscellaneous memory safety hazards.

Known Issues in Firefox 23

  • If you try to start Firefox using a locked profile, it will crash.

Happy cross-browser testing in Firefox 23!