Mozilla Firefox 45 Beta 5 已经发布,如果你正在使用 Firefox 45 Beta 版本,将会收到更新提醒。 Mozilla Firefox 45 带来的新特性包括: New Instant browser tab sharing through Hello Synced Tabs button in button bar Tabs synced via Firefox Accounts from other devices are now shown in dropdown area of Awesome Bar when searching GTK3 integration (GNU/Linux only). Disabled after beta 4 Introduce a new preference (network.dns.blockDotOnion) to allow blocking .onion at the DNS level Fixed URLs containing a Unicode-format Internationalized Domain Name (IDN) are now properly redirected Changed Tab Groups (Panorama) feature removed Developer Inspector search now matches results from all content in the page, including subframes Ability to filter snapshot output in memory tool Support for diffing heap snapshots added to the memory tool Added Negative url filtering for the network monitor DOMContentLoaded and load events shown in the network monitor timeline List of animated properties and keyframes is now displayed when clicking on an animation in the animation-inspector’s timeline Fine tune animations by changing the playback rate of animations in the animation-inspector's timeline Developer Information HTML5 Push API support, part of Progressive Web Apps Support delivery of a Content Security Policy (CSP) via a meta tag ES6 Classes Web Speech synthesis API Mozilla Firefox 45 Beta 5 发布下载地址