This update again results in a black screen after a reboot with no way to get to a tty. Problem is still with Plymouth on my system (AMD cpu and NVIDIA gpu). Editing grub menu and removing “quiet” and “splash” will allow you to log in.
I went ahead and removed the “plymouth” Hook from /etc/mkinitcpio.conf and ran sudo mkinitcpio -P. Then I edited /etc/default/grub to remove “splash” and ran sudo update-grub. I don’t have the second or two of the Plymouth splash screen any longer, but at least I can boot the computer.