Notable fixes:
- Fixed: 693743 - 3rd party add-on check doesn't disable those add-ons on start-up, if they were installed into the profile or application folder.
- Fixed: 693901 - Add extensions.strictCompatibility pref. (Bug 698653 will change the default.)
- Fixed: 581065 - Allow searching for incompatible add-ons if compatibility checks are disabled.
- Fixed: 616016 - Visually identify status bar add-on items in the add-on bar while customizing.
- Fixed: 482921 - Re-implement view source syntax highlighting using the HTML5 parser, and add tooltips for most syntax errors. (Henri's blog post)
- Fixed: 698929 - Implement event.stopImmediatePropagation.
- Fixed: 697666 - Don't build the jstracer by default.
- Fixed: 94199 - Startup speed: Fastload XBL methods and properties.
- Fixed: 674744 - [Mac] Implement conditional forward button for pinstripe.
- Fixed: 577867 - [Windows] No way to un-group separate instances on Windows 7 TaskBar.
- Fixed: 454532 - [Windows] Font glyphs incorrectly displayed with certain printer drivers.
Backouts of changes mentioned in previous posts:
All 812 changes between 2011-10-23 nightly and 2011-11-08 nightly


Nightly builds
(discussion)