[Stable Update] 2022-09-12 - Kernels, LibreOffice, KDE Gear, KDE Frameworks, Firefox, Thunderbird, Pipewire, Mesa

I just had a huge issue with my custom KDE Plasma after this update. First I had issues with my keyrings, which I resolved by following the docs, but now I’m stuck with the issue below. It’s been awhile since a major issue like this:

Any help is highly appreciated.