Firefox 63 was released.
ghacks.net
List of changes:
>Never check for updates removed - we Chrome now ;)
>Top Sites Search Shortcuts - Amazon integration in your newtab page ;)
Other changes:
>System add-ons are not shown on about:debugging anymore. You can change that by setting devtools.aboutdebugging.showSystemAddons to true on about:config.
>Mozilla removed the Open in Sidebar feature of the Library for individual bookmarks.
>Out-of-process extensions enabled for Firefox on Linux.
>Network Monitor highlights known trackers with a new icon.
>A site's favicon honors existing Content Security Policy directives.
>Firefox throws a warning when a user attempts to quit the browser if multiple windows and tabs are open.
>Firefox uses the operating system's accessibility settings to reduce animation if they are set.
>Mozilla resolved an issue that prevented bookmarks from being suggested by the browser under certain circumstances (when they were not visited or when the visit count was reset).
>The Ctrl-Tab shortcut displays previews of tabs when used by default for new Firefox profiles and installations.
Enjoy :^)