I have a strong suspicion the issue is https://gitlab.gnome.org/GNOME/mutter/-/issues/3875 and started with https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/4022 which was introduced in 48.beta.
- Bug#1096037: mutter: 48's autopkgtests are fail... Jeremy Bícha
- Bug#1096037: mutter: 48's autopkgtests are... Daniel van Vugt
- Bug#1096037: marked as pending in mutter Jeremy Bícha
- Processed: Bug#1096037 marked as pending i... Debian Bug Tracking System
- Processed: Bug#1096037 marked as pending i... Debian Bug Tracking System
- Bug#1096037: marked as pending in mutter Jeremy Bícha
- Bug#1096037: marked as done (mutter: 48's ... Debian Bug Tracking System
- Bug#1096037: (no subject) Daniel van Vugt
- Bug#1096037: mutter: 48's autopkgtests are... Jeremy Bícha
- Processed: Re: mutter: 48's autopkgtests a... Debian Bug Tracking System
- Bug#1096037: mutter: 48's autopkgtests are... Daniel van Vugt
- Bug#1096037: (no subject) Daniel van Vugt