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Thin scrollbars on workboards in Firefox on Windows
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Asked by matmarex on Jun 20 2023, 05:33.
Referenced Files
F312338: firefox-chromium-kde.gif
Jun 20 2023, 07:12
F312337: firefox-linux-kde.gif
Jun 20 2023, 07:12
F312319: we.phorge.it_project_view_105_ (3).png
Jun 20 2023, 05:33
"Like" token, awarded by bekay.


(I guess I'm not allowed to file bugs?)

On Chromium-based browsers, workboard columns such as have customized thin scrollbars:

we.phorge.it_project_view_105_ (3).png (1×3 px, 402 KB)

On Firefox, however, they have the default OS scrollbars:

Screenshot 2023-06-20 at 07-26-08 Maniphest · Workboard.png (2×3 px, 335 KB)

This is because they are defined using non-standard CSS pseudoelements ::-webkit-scrollbar and ::-webkit-scrollbar-thumb.

The default scrollbars can get really unsightly on large workboards, such as

Screenshot 2023-06-20 at 07-27-41 Editing-team (Kanban Board) · Workboard.png (2×3 px, 759 KB)

Firefox supports the standard scrollbar-width: thin CSS property that can be used to achieve a similar effect:

It would look like this:

Screenshot 2023-06-20 at 07-31-57 Maniphest · Workboard.png (2×3 px, 500 KB)

Screenshot 2023-06-20 at 07-32-20 Editing-team (Kanban Board) · Workboard.png (2×3 px, 774 KB)

Please add it :)

I'd be happy to write a patch, but your guidelines suggest filing a bug before submitting a patch, and I'm not allowed to file bugs…


Updated 248 Days Ago

It seems a bug that affects mainly Microsoft Windows users since I cannot reproduce that giant scrollbar from GNU/Linux.

Firefox on GNU/Linux with KDE desktop environment:

firefox-linux-kde.gif (720×1 px, 520 KB)

Chromium GNU/Linux with KDE desktop environment:

firefox-chromium-kde.gif (720×1 px, 739 KB)

Feel free to propose a patch directly. Even better if a related Task is created first in UX + Maniphest

Thanks for your reporting! :)


You are now a Trusted Contributors so you can file a Task


Thank you for filing this useful Task:

T15488: Thin scrollbars on workboards do not work in Firefox (on Windows)

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