[Bug 1923116] Re: Broken WebGL in Firefox 87.0 on Kubuntu 21.04 Beta (Xorg)

[Paweł Drewniak]

I think I've found it.

https://bugs.launchpad.net/ubuntu/+source/firefox/87.0+build3-0ubuntu2 introduced "MOZ_ENABLE_WAYLAND=1" in the startup script (/usr/bin/firefox).
This was to fix #1916469, but unfortunately this breaks WebGL on Xorg.
Removing "export MOZ_ENABLE_WAYLAND=1" fixes the problem.

As an aside, Firefox 88 should behave better in that regard
(https://bugzilla.mozilla.org/show_bug.cgi?id=1695453 improved handling
of setting MOZ_ENABLE_WAYLAN)


** Bug watch added: Mozilla Bugzilla #1695453
   https://bugzilla.mozilla.org/show_bug.cgi?id=1695453

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Title:
  Broken WebGL in Firefox 87.0 on Kubuntu 21.04 Beta (Xorg)

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