伴随着66正式版本的发布，Mozilla Firefox 67.0 Beta 11 (Quantum)今日也紧随其后来到了Beta目录，67版本的最大改进是支持多个配置文件一同运行，在“文件”菜单中，用户可以选择从另一个浏览器导入配置文件。并且，除非您在设置中允许，否则添加到浏览器的任何新扩展都无法在隐私模式中运行。
- Intent to ship: WebRender was enabled by default in Betas since Firefox 64 for Desktop NVIDIA GPUs on Windows 10 and should be released with Firefox 67 in May
- Firefox 67 willl be able to run different Firefox installs side by side by default.
- Tabs can now be pinned from the Page Actions menu in the address bar
- Users can block known cryptominers and fingerprinters in the Custom settings or their Content Blocking preferences
- The Import Data from Another Browser feature is now also available from the File menu
- Firefox will now protect you against running older versions of Firefox which can lead to data corruption and stability issues.
- Various security fixes
- Firefox no longer supports handling webcal: links with 30boxes.com
- Change to extensions in Private Windows: Any new extensions you add to the browser won’t work in Private Windows unless you allow this in the settings.
- The DevTools Changes panel now supports copying modified CSS. You can either copy the full changes or individual changed rules.
细心的用户可能注意到了，近期的Firefox Beta测试过程都是从Beta 3开始的，而更早一些的版本则会出现在nightly目录里。