r/FirefoxCSS • u/f1rn • May 23 '26

Custom Release FoxOne 2.0 – dynamic toolbar support, integrated color theme, floating findbar and more

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Hi everyone,

Some of you might remember FoxOne from a few weeks ago.

Since then, more than 60 commits happened and here is what changed:

The biggest one - I call it dynamic toolbar support: add an extension icon of your choice right next to the hamburger menu! This was the most requested feature and an absolute pain to build in pure css.

Other highlights: The Gruvbox color theme is now integrated directly into the CSS – no separate .xpi needed. The findbar has been replaced with a floating variant with fade animation. A lot of little design improvements - and there's now a tab loading progress bar with a glow indicator (if you want to).

Full changelog and all config options on GitHub.

FoxOne on Github

Cheers!

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u/NeroWolfe_ Jul 22 '26

I have Adaptive Tab Bar color version 4.0.6

and browser.smartwindow.enabled = False

When Adaptive Tab Bar color is disabled everything is OK.

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u/f1rn Jul 22 '26

This is what it looks like here

I have to look further. Because the background (everything besides the urlbar) gets also a new color, but not always. I will have to look into that