

I think the version of yad installed by the OS might be an older one, you can check on the terminal with:
yad --version
Fortunately, SteamTinkerLaunch has options to work around that using conty or appimages, see https://github.com/sonic2kk/steamtinkerlaunch/wiki/Yad






Arch w/KDE Plasma desktop, of course.
“Smart” TVs should be kept off the internet and only used as video output for actual computers.