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Today I upgraded my Ubuntu from 20.04 LTS to 22.04 LTS. As announced, Firefox is now running as a Snap package by default. While the application is running fine, I noticed some weird behavior in the appearance of the window bar.

This is how the window bar looks with Firefox as a snap:

Firefox with different window bar appearance

This is how the window bar looks with any other snap I have installed, here it's KeepassXC:

Normal looking window bar

To me it looks as if Firefox uses some other theme and does not respect the system's theme settings.

Robert Strauch
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1 Answers1

13

Yes. Snap ignores your theme and selects one of the co-packed snap themes. This is one of the drawbacks of snap.

You could remove Firefox from snap with:

sudo snap disable firefox
snap remove --purge firefox

For Ubuntu 22.04, the empty Firefox Deb is pre-installed as a wrapper. You have to remove it via command:

sudo apt remove --autoremove firefox

On Ubuntu 22.04, you'll have to add a ppa now:

sudo add-apt-repository ppa:mozillateam/ppa

Now you can install it as deb:

sudo apt install -t 'o=LP-PPA-mozillateam' firefox

To avoid clashes during the next updates you might setup the priority in the mozillas ppa file:

sudo nano /etc/apt/preferences.d/99mozillateamppa

Below the existing lines add the following entries:

Package: firefox*
Pin: release o=LP-PPA-mozillateam
Pin-Priority: 501

To block Ubuntu's own (empty) deb add these lines as well:

Package: firefox*
Pin: release o=Ubuntu
Pin-Priority: -1

This all has been explained here in detail

I removed snap altogether, because I want to have the freedom to decide about the look & feel of my desktop - uniformly ;-)

kanehekili
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