Adjustable icon size on vertical tabs

[mathieures]

Hello,

I just enabled the new Firefox 136’s vertical tabs and it’s already great to be able to use it natively. I was wondering though if it would be possible to have bigger icons in the future? I saw tab width and spacing being discussed but not really icon size in the "collapsed" view.

My motivation is that the websites’ favicons do not fill the whole rounded square and I find it a bit of a shame to have empty space instead of just filling it with the favicon.

Here is what is I currently see with the default "System theme", for a selected tab and a non-selected tab:

Thank you for implementing vertical tabs and thank you for your time!

[Jon]

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[freepalestine]

Larger/resizable icons in general with a collapsed vertical tab bar would help