Reproduced the issue on Ubuntu 22.04 with Firefox 122.0 Snap package by using the Yaru-remix theme installed inside Gnome Tweaks and then following this tutorial: https://store.kde.org/p/1384810. After activating the Yaru-remix theme on Snap using the commands from the comment 16 link the Firefox Snap will have a white tab bar instead of a dark one and browser buttons will be barely visible. The issue is verified fixed with Firefox Snap 122.0.1, 123.0b6 and 124.0a1 (2023-02-05). The Yaru-remix theme is correctly applied for the tab bar.
Bug 1877002 Comment 22 Edit History
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Reproduced the issue on Ubuntu 22.04 with Firefox 122.0 Snap package by using the Yaru-remix theme installed inside Gnome Tweaks and then following this tutorial: https://store.kde.org/p/1384810. After activating the Yaru-remix theme on Snap using the commands from the comment 16 link the Firefox Snap will have a white tab bar instead of a dark one and browser buttons will be barely visible. The issue is verified fixed on Ubuntu 22.04 with Firefox Snap 122.0.1, 123.0b6 and 124.0a1 (2023-02-05). The Yaru-remix theme is correctly applied for the tab bar.
Reproduced the issue on Ubuntu 22.04 with Firefox 122.0 Snap package by using the Yaru-remix theme installed inside Gnome Tweaks and then following this tutorial: https://store.kde.org/p/1384810. After activating the Yaru-remix theme on Snap using the commands from the comment 16 link the Firefox Snap will have a white tab bar instead of a dark one and browser buttons will be barely visible. The issue is verified fixed on Ubuntu 22.04 and Ubuntu 20.04 with Firefox Snap 122.0.1, 123.0b6 and 124.0a1 (2023-02-05). The Yaru-remix theme is correctly applied for the tab bar.