What you are referring to are the window decorations.
Apart from Linux Mint, Firefox almost always uses client-side decorations. What you are showing here is still client-side.
It is just that Mozilla recently enabled vertical tabs option for everyone, so the top bar is now slightly smaller than before. You can disable vertical tabs easily by searching in the settings.
Disabling vertical tabs didn't help. But thanks for trying
Did you change the gtk theme recently? Firefox follows the gtk3 titlebars, not the qt ones. You would have to change the gtk3 theme back to breeze to have it match again.
If you changed off the default firefox theme, it will also no longer use native titlebar buttons, to make it use native ones with a different firefox theme, go to about:config, search non-native, find the titlebar buttons option, and turn it off.
My GTK Theme is already set to breeze:
Changing the value in about:config had no effect. Thanks anyway though!
Right click on the toolbar, select "customize toolbar" and at the bottom left corner check "title bar". Or in about:config type 0 for browser.tabs.inTitlebar
Thank you for replying, but that just adds a standalone titlebar with just a title and the controls, while moving all the other functions like the address input to a regular toolbar, as the options suggests. I'd like to keep all the functions and the titlebar controls in one single titlebar, but with the OS control buttons, as it used to be before the last Firefox update.
Firefox relies on gtk for for those integrated buttons. It's maybe worth checking that your gtk theme is set to breeze in System Settings > Colours and themes > Application style > GNOME/GTK Application Style (top right ...), and that firefox is set to use the system theme.
My GTK Theme is already set to "Breeze".
And my Firefox Theme is set to "System".
Thanks though.
Resolution:
→ WONTFIX
ouch...
#YearOfTheLinuxDesktop
I have the same issue since one or two months, I'm on Firefox Nightly 142.0a1 currently.
For me it looks like this:
Firefox on the left, Dolphin (which uses the system titlebar control buttons) on the right.
A few months ago, firefox also used the system titlebar control buttons. When I noticed the change at first, I also searched for solution online and in about:config, but didn't find anything. All other solutions posted here sadly don't work:
browser.tabs.inTitlebar only adds a standalone titlebar, like you noted.non-native in about:config, I don't see any titlebar buttons option that I can turn off.If anyone finds a solution to this, I would be happy to be notified. Thanks in advance!
If @Frellwit is right, this seems to be intended and not a bug :(
Damn, but I'm not sure if I agree with gregp's resolution of the bug. The way I understand the changes in https://bugzilla.mozilla.org/show_bug.cgi?id=1964046, it should still use the system theme, but rendered by firefox itself. However, the current state is that it doesn't follow the system theme anymore :/
EDIT: I just saw this comment: https://lemmy.world/comment/17957836
And yep, that's correct. I'm also using the Papirus icon theme, when I change the theme to breeze or something else, the buttons in firefox titlebar also reflect this change after a restart. So Firefox is now using the window-{maximize,minimize,close,....}-symbolic icons from the icon theme and not from the window decorations setting.
i hate this it broke my user styles
Use user styles at your own risk.
ik
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