It’s hard to overstate my satisfaction

This is part of Google’s Material 3 Expressive (M3E for short). A lot of apps have taken the reasonable approach of using the the Android design (M3E) to fit into the system (Also Android happens to make your life easier if you use M3E). This design language sucks in some parts. I personally don’t have an issue with the wavy progress bars, but i agree they should’ve added the option to turn it off.

If you don’t mind all animations being disabled you can get rid of the wiggling by turning on reduced motion.

Edit: It’s called Remove Animations and is located in the Accesibility settings under the Motion mmenu. It also seems to only disable the movement in the media notification for my music player (Auxio), likely a bug, will report to upstream.

There are no lockdown mode restrictions on my system. Kernel is not signed, but i switched to UKIs a couple months ago (hibernation worked fine with these).

It is worth noting that the failure is hibernating, not resuming. Normally hibernate takes ~1 minute with fans spinning at max speed, but it recently started not finishing and instead being stuck on a black screen for more than 30 minutes without the fans running until i run out of patience (i hibernate before i go to sleep or head out) and force power off the system (power button 10 second press on my system).

My secure boot with hibernate works perfectly fine, or rather it did work fine before hibernate started freezing my system, secure boot or not.