Nanny makes some killer food.

Excuse me?

Nah, probably meant the other little fella - Asterix the Gaul.

What is blue and even worse for your teeth?

I recommend 3blue1brown on Youtube. He is fantastic at making maths more intuitive than mere formulae. He has a series on Fourier series too.

Maybe try the DKMS version of your video drivers? It automatically rebuilds every time you install a new kernel. For Nvidia the package is nvidia-dkms. I don’t use AMD (yet) but I guess the package name would be something similar.

But yes, it is a good idea to babysit your installation and pay attention to errors/warnings during the update. It is also a good idea to periodically check Arch news for breaking changes.

https://wiki.archlinux.org/title/Dynamic_Kernel_Module_Support

https://archlinux.org/news/