[Testing Update] 2022-08-04 - Kernels, Nvidia, Thunderbird, Cinnamon, KDE-git

You may check also 5.18.13 kernel and if that works, do a git-bisect between the last working kernel and the first broken, which you claim to be 5.18.14. You can follow this example repo on how to do it: GitHub - philmmanjaro/linux41: Manjaro Kernel 4.1