Mozilla Firefox 69 正式发布,提供进程优先级管理器功能


Mozilla Firefox 69 正式发布,在完成测试Process Priority Manager之后,Mozilla现在在Windows版的Firefox 69上发布它,这样一来,Firefox浏览器就能为Windows上运行的进程设置优先级,前台运行的选项卡会被优先考虑,运行视频和音频的后台选项卡也被视为“活动”。

Mozilla Firefox 69 正式发布,提供进程优先级管理器功能

下载地址:

http://ftp.mozilla.org/pub/firefox/releases/69.0/

New

  • Firefox now gives Windows hints to appropriately set content process priority levels, meaning more processor time spent on the tasks you're actively working on, and less processor time spent on things in the background (with the exception of video and audio playback).

  • To improve battery life on dual-graphics-card macOS machines, Firefox now tries more aggressively to switch back to the more power-efficient GPU for WebGL content when able. Firefox also works harder to avoid switching to the high-power GPU for one-off transient uses of WebGL.

  • Finder on macOS now displays download progress for files while they’re being downloaded.

  • Added support for the Web Authentication HmacSecret extension via Windows Hello on systems running the Windows 10 May 2019 update or newer.

Changed

  • As previously announced in the Plugin Roadmap for Firefox, the "Always Activate" option for Flash plugin content has been removed. Firefox will now always ask for user permission before activating Flash content on a website.

  • Firefox no longer loads userChrome.css or userContent.css by default. Users who wish to customize Firefox by using these files can set the  toolkit.legacyUserProfileCustomizations.stylesheets preference to true to restore this ability.

 

测试通道中部分用户已经可以看到名为dom.ipc.processPriorityManager.enabled的进程优先级管理器功能的开关。从测试结果的反馈看,启用了Process Priority Manager并没有对浏览性能方面产生太大好处,也没有变得更糟,但对系统资源的占用却有了较大的提升。

Mozilla方面表示,降低后台进程优先级,允许操作系统优先处理前台选项卡这种工作方式值得一试,这样前台进程在需要时可以获得更多处理器的时间。

需要注意的是,在播放媒体内容的标签页中,这一特性不会被启用,因为Mozilla希望像YouTube这样的网站在后台继续运行而不会中断。

在运行Windows 10 May 2019更新或更新版本的系统上,新版通过Windows Hello添加了对Web Authentication HmacSecret扩展的支持。

苹果系统方面,为了提高双显卡macOS笔记本的电池寿命,Firefox现在可以更加积极地切换回适用于WebGL内容的更高能效的GPU。 Firefox也更加努力避免切换到高功率GPU。macOS上的Finder现在会显示文件下载时的下载进度。

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