Actually, it looks like he's using version alpha 26. See "build_revision" in userreport_hwdetect.txt. It's "27104-release", which is version alpha 26.
Is it normal that SDL indicates that it's using the X11 backend instead of Wayland? Dino, try running the application with the SDL_VIDEODRIVER environment variable set to wayland, like this, replacing /path/to/0ad with the actual path to 0ad, such as /usr/games/0ad.
SDL_VIDEODRIVER=wayland /path/to/0ad
This article explains why that works.
Also, please tell us what version of SDL you have.