Changes since 2.4.5: 0141a1f
[GENERAL]
- (tweak) userChrome.css > changed some descriptions
[Tabs]
- (tweak) classic squared tabs
- (fix) Fx65+: tabs below navigation toolbar > private mode issue
[Toolbars]
- (tweak) bookmarks toolbar > multiple lines (thanks to Sanjay)
[about:config]
- (new) Firefox 67+: compact appearance
[about:addons]
- (fix) Firefox 66+: "recent updates" category