Mozilla Firefox 52 Beta 2发布_最新动态_新闻资讯_程序员俱乐部

　　Mozilla Firefox 52 Beta 2 今日发布，主要增强了 Sync 同步功能中发送标签页的特性，让触屏版更好支持多进程运行，之前介绍过的在非 HTTPS 页面上如果出现密码框则会有安全提示在 52 版本中已经部署。与此同时，52 版本削减了对一些旧插件的支持，还优化了下载时的体验。

　　下载地址:

　　https://ftp.mozilla.org/pub/firefox/releases/52.0b2/

　　Firefox Beta January 25, 2017

　　Version 52.0 beta, first offered to Beta channel users on January 25, 2017

　　New

• Send and open a tab from one device to another with Sync

• Windows 8 touch screen support for multiprocess Firefox

• Pages containing insecure password fields now display a warning directly within username and password fields.

　　Changed

• Removed Battery Status API to reduce fingerprinting of users by trackers

• Removed NPAPI support for plugins other than Flash. Silverlight, Java, Acrobat and the like are no longer supported.

• Implemented the Strict Secure Cookies spec which forbids insecure (http:) sites from setting cookies with the "secure" attribute, and in some cases prevents an insecure site from setting a cookie with the same name as an existing "secure" cookie from the same base domain.

• Improved experience for downloads:

• Notification in the toolbar when a download fails

• Quick access to five most recent downloads rather than three

• Larger buttons for canceling and restarting

• Improved text input with some third-party keyboard layouts on Windows, e.g.， keyboard layouts which have chained dead keys, inputs two or more characters with a non-printable key or a dead key sequence, inputs a character even when a dead key sequence failed to compose a character.

　　Developer

• Responsive Design Mode redesigned and enhanced with device selection, network throttling, and more

• Screen sharing shows a preview and no longer requires a whitelisted domain

• Enabled CSS Grid Layout