Firefox 27 beta 发布，提供同时的 Social API 提醒，TLS 1.2 支持以及 Android 平台上更多语言的版本。
桌面版本更详细的改进记录包括（发行说明）：http://www.mozilla.org/en-US/firefox/27.0beta/releasenotes/
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.
NEW: Implemented support for TLS 1.2 (RFC 5246).
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 762761).
Firefox beta for Android 改进记录（发行说明）:
NEW: Added Lithuanian, Slovenian, South African English and Thai to android multi-locale builds.
NEW: Implemented support for TLS 1.2 (RFC 5246).
CHANGED: UI improvements due to rewrite of favicon system (see 914296).
CHANGED: Removed overscrolling on web content (see 705246).
CHANGED: Experience better readability with default font set to Clear Sans.
DEVELOPER: Ability to reset style sheets using ‘all:unset’.
DEVELOPER: You can now choose to deobfuscate javascript in the debugger (see 762761).
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).
来自:开源中国社区
