Mozilla Firefox 46 Beta 2今日已经被上传到FTP服务器，包含全平台全语种32/64位版本，46版为GNU/Linux平台整合了GTK3，改善了JIT编译器的安全性，并将无加密传输的密码文本框标记为不安全，以提醒用户小心使用，至于原本有计划在46版本中开始测试的多处理器多进程运行的特性，目前还没有看到出现的迹象（如要体验，需要下载Mozilla Firefox Developer Edition）。
更新列表:
https://www.mozilla.org/en-US/firefox/46.0beta/releasenotes/
Version 46.0beta, first offered to Beta channel users on March 8, 2016
New
HTTP sites containing login forms will be marked insecure
Improved security of the JavaScript Just In Time (JIT) Compiler
GTK3 integration (GNU/Linux only)
Use Content Decryption Module as a fallback to decode unencrypted H.264 and AAC media where available
Changed
WebRTC fixes to improve performance and stability
Developer
Display dominator trees in Memory tool
Allocation and garbage collection pause profiling in the performance panel
Launch responsive mode from the Style Editor @media sidebar
Developer Information
HTML5
Added support for documents.elementsFromPoint
Added HKDF support for Web Crypto API
下载地址:
https://ftp.mozilla.org/pub/firefox/releases/46.0b2/
文章来源：中文业界资讯站