[wp-trac] [WordPress Trac] #52565: A Scrollbar Appear in a right panel when editing a page or post

[WordPress Trac]

#52565: A Scrollbar Appear in a right panel when editing a page or post
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 Reporter:  Pratik Jain   |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Future Release
Component:  Editor        |     Version:
 Severity:  normal        |  Resolution:
 Keywords:  needs-patch   |     Focuses:
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Comment (by janboddez):

 Not a solution in the true sense, but this workaround (setting Firefox to
 use overlay scrollbars) seems to do the trick for me (on Windows 10): head
 over to `about:config` and add `ui.useOverlayScrollbars` with a (number)
 value of `1`.

 Source:
 https://www.reddit.com/r/gnome/comments/r2ne2f/til_overlay_scrollbars_in_firefox_and_thunderbird/

 One downside is that sites with, e.g., `overflow-y: scroll` may have the
 scrollbar(s) move in front (and thus partially cover) certain page
 elements. (Chrome doesn’t do this.)

 A potential actual fix would be to detect the presence of a vertical
 scrollbar and set an appropriate margin on the sidebar's child elements,
 in Firefox only, which seems super risky and not very future proof.

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Ticket URL: <https://core.trac.wordpress.org/ticket/52565#comment:11>
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