在Gecko渲染平台升级到版本1.9.2。新功能包括轻量级的主题，从所谓的人物角色时，保护过期插件，全屏原始视频，更好的性能和更好的标准的支持。
Original:
The Gecko rendering platform was upgraded to version 1.9.2. New features include lightweight themes called Personas, protection from out-of-date plugins, fullscreen native video, better performance, and better standards support.
