The newly released Opera 48 also has an integrated screen capture tool. Vivaldi also has the same tool from version 1.7 released in February.
The second change is quite difficult to recognize. It was at the control panel when Mozilla reorganized the arrangement. From 8 items, now only 4 are General, Search, Privacy & Security and Firefox Account .
Mozilla also added a search box in the settings, similar to those on Chromium browsers, allowing users to find the settings they want faster.
There are only 4 entries left in the browser setting
In Firefox 57, Mozilla will also offer a new interface for both the setup and the browser, with codename Photon.
Finally, Mozilla will block media running in the background tab. Google also announced the same decision when the default silences all sounds automatically played, but this feature will be added to Chrome Stable at the end of January 2018.
Firefox 56 also fixed some security flaws, but the detailed list will be released the next day when most people switch to the latest Stable.