MozillaIt's officially released
Known as Firefox QuantumFirefox 57
It is hailed as the most important update since the release of Firefox 1 in 2004, bringing significant performance improvements that can be perceived by users. But for senior Firefox users, common extensions support Webextension is one of the most important factors that affect their upgrade. Including the main changes Firefox 57: the new Photon UI Google to become the default search engine in the United States and Canada (temporarily not clear what happened to the Mozilla deal with YAHOO), the new CSS Stylo engine, unified address bar and search box, a new tab will display the most visited website and Pocket (recommended limited to the United States, Canada and Germany), AMD VP9 hard decoding support, new preference expansion area management of all site permissions, only supports WebExtension API, the old no longer support the expansion, etc..