[yomlica8]

I swear they said they were going to add hiding the top tab bar back in as a native option back in 2017, but I'm still using the userChrome.css hack today.

[lopis]

There's a long bugzilla thread since 2017 exactly for this. It has a some activity over the years, but was never prioritized. https://bugzilla.mozilla.org/show_bug.cgi?id=1332447