While it installs just fine, running gives me the following output on aarch64:
flatpak run org.xonotic.Xonotic
Executing: xonotic-local-sdl
which: no xonotic-local-sdl in (.)
Could not find ./xonotic-local-sdl to exec
Xonotic does not currently provide pre-built Linux:aarch64 builds, please compile one using make
More info is available at https://gitlab.com/xonotic/xonotic/-/wikis/Compiling
While it installs just fine, running gives me the following output on aarch64: