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[Mathew Hodson <2040453@xxxxxxxxxxxxxxxxxx>]

** Package changed: gnome-shell (Arch Linux) => ubuntu-translations

** No longer affects: ubuntu-translations

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https://bugs.launchpad.net/bugs/2040453

Title:
  Gnome 45 crash on restart in X11 session [Window manager error:
  Another compositing manager is already running on screen 0 on display
  “:0”]

Status in GNOME Shell:
  Fix Released
Status in Mutter:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Released
Status in mutter source package in Noble:
  Fix Released

Bug description:
  [ Impact ]

  Since the upgrade to Ubuntu 23.10 with Gnome45, it is no longer
  possible to restart gnome-shell without crashing the session. The only
  way not to crash it is to close all applications before restarting
  gnome-shell.

  This has already been fixed upstream at
  https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3329

  [ Test Plan ]

  1. Log-in to a Ubuntu Xorg session
  2. Open some application windows
  3. Press Alt+F2
  4. Type 'restart' and press Enter
  5. Verify that the desktop reloaded correctly.
  6. Verify that the application windows that were previously open remained open.

  [ Where problems could occur ]

  The change should only affect application windows that were open
  before gnome-shell take over as the x11 compositor, which is not the
  common use-case.

  There is a general regression potential in the handling of x11 windows, that is all apps in a GNOME Xorg session, or legacy apps that use XWayland (such as VLC, Mattermost, or most Electron and Java apps) in a GNOME Wayland session.
  Watch out for the correct behaviour when opening/closing application windows.

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