Firefox 22 Now Available

[DrBeenGolfing]

Notes (First offered to release channel users on June 25, 2013)

Check out "What’s New" and "Known Issues" for this version of Firefox below. As always, you’re encouraged to tell us what you think, or file a bug in Bugzilla.We'd also like extend a special thank you to all of the new Mozillians who contributed to Firefox 22!
If interested, please see the complete list of changes in this release.
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
Improved memory usage and display time when rendering images
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 <data> and <time> elements
FIXED
Scrolling using some high-resolution-scroll aware touchpads feels slow (829952)

Known Issues

Unresolved
If you try to start Firefox using a locked profile, it will crash (see 573369)

https://www.mozilla.org/en-US/firefox/22.0/releasenotes/