Try setting MUTTER_DEBUG_DISABLE_HW_CURSORS=1 in /etc/environment

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https://bugs.launchpad.net/bugs/2039045

Title:
  GNOME Shell locking hard when Telegram opens a full-screen photo

Status in gnome-shell package in Ubuntu:
  New

Bug description:
  Steps:
  - run https://snapcraft.io/telegram-desktop
  - open a full-screen image preview

  Expected:
  - the image preview opens
  - and can be closed

  Current:
  - the image preview opens
  - the shell becomes unresponsive

  Often it's possible to wait a few seconds to close the preview again,
  but sometimes it just locks up hard with no way to recover.

  ProblemType: Bug
  DistroRelease: Ubuntu 23.10
  Package: gnome-shell 45.0-1ubuntu2
  ProcVersionSignature: Ubuntu 6.5.0-9.9-generic 6.5.3
  Uname: Linux 6.5.0-9-generic x86_64
  NonfreeKernelModules: zfs
  ApportVersion: 2.27.0-0ubuntu5
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Oct 11 14:30:31 2023
  DisplayManager: gdm3
  InstallationDate: Installed on 2023-10-06 (5 days ago)
  InstallationMedia: Ubuntu 23.10 "Mantic Minotaur" - Daily amd64 (20231004)
  ProcEnviron:
   LANG=pl_PL.UTF-8
   PATH=(custom, no user)
   SHELL=/usr/bin/zsh
   TERM=screen-256color
   XDG_RUNTIME_DIR=<set>
  RelatedPackageVersions: mutter-common 45.0-3ubuntu3
  SourcePackage: gnome-shell
  UpgradeStatus: No upgrade log present (probably fresh install)

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