NVidia borks my installation sometimes. Then my stupidity to choose the non-dkms beta driver from the AUR. But all in all, my non-NVidia-devices (server, workstation and laptop) run fine on arch testing, updated every time I use one of those devices.
Kinda. One of the Linux "wrappers" (I'm a bit tired and can't think of the correct term here, bear with me) that lets you utilize some Linux utilities on Windows, maybe it was mingw or cygwin, actually uses pacman as their package manager IIRC.
The moment I installed it, yay broke. To fix it, if any of you need this: do an ln -s to the .so that is being requested. This allows yay to work again. Use yay to upgrade yay. Finally remove the symbolic link.