-
NEW
You can now run more than one service at a time with Firefox SocialAPI, allowing you to receive notifications, chat and more from multiple integrated services
-
CHANGED
Enabled TLS 1.1 (RFC 4346) and TLS 1.2 (RFC 5246) by default
-
CHANGED
Added support for SPDY 3.1 protocol
-
DEVELOPER
Ability to reset style sheets using 'all:unset'
-
DEVELOPER
You can now choose to deobfuscate javascript in the debugger (see 762761)
-
DEVELOPER
Added support for scrolled fieldsets (see 261037)
-
DEVELOPER
Implemented allow-popups directive for iframe sandbox, enabling increased security (see 766282)
-
DEVELOPER
CSS cursor keywords -moz-grab and -moz-grabbing have been unprefixed (see 880672)
-
DEVELOPER
Added support for ES6 generators in SpiderMonkey (see blog post)
-
DEVELOPER
Implemented support for mathematical function Math.hypot() in ES6 (see 896264)
-
HTML5
Dashed line support on Canvas (see 768067)
-
FIXED
Get Azure/Skia content rendering working on Linux (see 740200)
- FIXED
27.0: Security fixes can be found here
What’s New
Known Issues
-
Unresolved
crash in gfxContext::PushClipsToDT with Direct2D 1.1 (d3d11.dll 6.2 or 6.3) (see 805406)
-
Unresolved
Text Rendering Issues on Windows 7 with Platform Update KB2670838 (MSIE 10 Prerequisite) or on Windows 8.1 has a workaround (see 812695)