Mozilla Firefox 64.0 Beta 版已经发布在Mozilla FTP，本次更新的最大变化是选项卡栏，您现在可以从选项卡栏中选择多个选项卡，并快速轻松地对其批量进行静音，移动，添加书签或固定，并且可以使用附加组件添加的工具栏按钮上的上下文菜单来删除附加组件。
默认情况下，Windows 10上的Desktop NVIDIA GPU启用了WebRender，还增加了面向macOS的企业策略支持。
完整更新列表：
New
You can now use the context menu on toolbar buttons added by add-ons to remove the add-on
WebRender enabled by default for Desktop NVIDIA GPUs on Windows 10
Enterprise policy support for MacOS
You can now select multiple tabs from the tab bar, and mute, move, bookmark, or pin them quickly and easily
Changed
Changes to URL bar autocomplete shortcuts: use ctrl-enter to canonicalize a word to a .com URL. On MacOS, cmd-enter now opens in a tab.
about:crashes has been redesigned to make it clear when a crash is being submitted to Mozilla, as well as being clear that removing crashes locally does not remove them from crash-stats.mozilla.com
Support for RSS preview and live bookmarks is being removed
Error pages for common TLS certificate issues have been updated to be clearer
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