Raspberry Pi 3 ArchlinuxArm Retroarch from the ArchlinuxArm repositories…
All the posts I have found that are similar to this are all focussed on the cores not installing because of permissions in the default directories when using Archlinux. This appears to be different…
It’s not that cores fail to download or fail to extract… With this particular installation, when I select “download Core” or “Update Cores”, the screen just flashes once, and then does absolutely nothing… The menu doesn’t change, it doesn’t give me any options for picking anything, it just flashes one time and does nothing.
I have installed and ran Retroarch on Archlinux a small handful of times and have never seen this happen. This is the first time I have tried it on a Pi, though, and with with ArchlinuxArm.