Hello Daniel, or anyone else affected,

Accepted mutter into mantic-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/mutter/45.2-0ubuntu2~really45.0 in
a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
mantic to verification-done-mantic. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-mantic. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: mutter (Ubuntu Mantic)
       Status: New => Fix Committed

** Tags added: verification-needed verification-needed-mantic

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter in Ubuntu.
https://bugs.launchpad.net/bugs/2046360

Title:
  Heavy stuttering in Firefox with mutter 45.1/45.2

Status in mutter package in Ubuntu:
  New
Status in mutter source package in Mantic:
  Fix Committed

Bug description:
  There is heavy stuttering visible in Firefox with mutter 45.1/45.2.
  This is a regression introduced upstream in mutter 45.1 (8f27ebf8),
  although it only hurts the triple buffering patch so that's where it's
  fixed:

  
https://gitlab.gnome.org/Community/Ubuntu/mutter/-/commit/0b896518b2028d9c4d6ea44806d093fd33793689
  
https://gitlab.gnome.org/Community/Ubuntu/mutter/-/commits/triple-buffering-v4-45

  [ Workaround ]

  In /etc/environment:

    MUTTER_DEBUG_TRIPLE_BUFFERING=always

  or "never" also works. Just not "auto".

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2046360/+subscriptions


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