Accepting into Jammy. I can see that the code changes appear already
present in lunar-proposed. Please could you confirm the status of the
fix in lunar-updates please, so we can avoid introducing a regression
when users upgrade?

On test plans, I see both this bug and the other one will be
individually tested, but what's the plan to ensure that other behaviour
in mutter isn't regressed?
https://wiki.ubuntu.com/DesktopTeam/TestPlans/Mutter exists, so would
following that be appropriate, or do you want to do something else to
verify this?

** Changed in: mutter (Ubuntu Jammy)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-jammy

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https://bugs.launchpad.net/bugs/2023766

Title:
  Mouse cursor stutters over GUI elements that are animated

Status in mutter package in Ubuntu:
  Fix Released
Status in mutter source package in Jammy:
  Fix Committed
Status in mutter source package in Lunar:
  Fix Committed
Status in mutter source package in Mantic:
  Fix Released

Bug description:
  [ Impact ]

  Mouse cursor stutters over GUI elements that are animated, such as GTK
  apps, web pages and shell elements.

  [ Test Plan ]

  1. Open Settings.
  2. Move the cursor up/down over an empty area of the desktop.
  3. Move the cursor up/down over the list pane on the left side of the 
Settings window.

  Expect: No difference in cursor smoothness whether the window below is
  animating in response to movement or not.

  [ Where problems could occur ]

  In frame scheduling, so the risk is more stuttering or screen freezes.

  [ Workaround ]

  Add this to /etc/environment:
  CLUTTER_PAINT=disable-dynamic-max-render-time

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