** Changed in: mutter
Status: Unknown => Fix Released
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https://bugs.launchpad.net/bugs/1905330
Title:
Backport Wayland frame callback fix for 3.28 for Firefox testing
infrastructure
Status in Mutter:
Fix Released
Status in mutter package in Ubuntu:
Fix Released
Status in mutter source package in Focal:
Fix Released
Status in mutter source package in Groovy:
Fix Released
Status in mutter source package in Hirsute:
Fix Released
Bug description:
The Firefox testing infrastructure is based on Ubuntu 18.04. In order
to enable the Wayland backend by default, we need to also run test on
that.
There is one particular bug in Mutter 3.28 that I'd like to see fixed
for that, thus requesting a backport of a patch. It's already in the
upstream repo, but as 3.28 is not supported upstream any more, I
request it here explicitly:
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1570
@vanvugt @3v1n0 this would be super helpful for us, I hope I can
convince you about that, even if Ubuntu 18.04 doesn't support Wayland
officially.
It can be tested by running Firefox with `MOZ_ENABLE_WAYLAND=1` and
setting `widget.wayland_vsync.enabled:1` in the config (soon to be
enabled by default). If, after launching Firefox again, everything
works as expected - well, then it works.
Bonus: the patch also affects a number of other Wayland applications,
so some users might be happy to see it as well.
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