The issue is related to fontconfig's bug (See https://forum.snapcraft.io/t/snapped-app-not-loading-fonts-on-fedora-and-arch/12484/18).
Try the workaround here: https://forum.snapcraft.io/t/snapped-app-not-loading-fonts-on-fedora-and-arch/12484/60
Solution 1.
sudo rm /var/cache/fontconfig/* rm ~/.cache/fontconfig/* fc-cache -r
Solution 2.
sudo pacman -S yay yay -S debtap sudo debtap -u debtap stacks-app_[ver]_amd64.deb sudo pacman -U ./stacks-app-[ver].pkg.tar.zst
