Firefox 22 hits the web with faster JavaScript

Mozilla has published Firefox 22, you can download it over here or wait for the automatic update if you already have Firefox. New in this release is asm.js, a feature that compiles JavaScript to assembly code to significantly speed up JavaScript performance. Especially 3D games like the Epic Citadel demo should benefit greatly from this. Other than that, Firefox 22 also enables WebRTC support by default (for video calls) and introduces a social services manager in the Add-ons menu.

Here's the full overview of what's new:

NEW: WebRTC is now enabled by default!

NEW: Windows: Firefox now follows display scaling options to render text larger on high-res displays

NEW: Mac OS X: Download progress in Dock application icon

NEW: HTML5 audio/video playback rate can now be changed

NEW: Social services management implemented in Add-ons Manager

NEW: asm.js optimizations (OdinMonkey) enabled for major performance improvements

CHANGED: Improved WebGL rendering performance through asynchronous canvas updates

CHANGED: Plain text files displayed within Firefox will now word-wrap

CHANGED: For user security, the |Components| object is no longer accessible from web content

CHANGED: Pointer Lock API can now be used outside of fullscreen

DEVELOPER: CSS3 Flexbox implemented and enabled by default

DEVELOPER: New Web Notifications API implemented

DEVELOPER: Added clipboardData API for JavaScript access to a user's clipboard

DEVELOPER: New built-in font inspector

HTML5: New HTML5 and elements

FIXED: Various security fixes

FIXED: Scrolling using some high-resolution-scroll aware touchpads feels slow (829952)