i do
flatpak run com.valvesoftware.Steam
INFO:root:https://github.com/flathub/com.valvesoftware.Steam/wiki
INFO:root:Will set XDG dirs prefix to /home/tune/.var/app/com.valvesoftware.Steam
DEBUG:root:Checking input devices permissions
INFO:root:Overriding TZ to Asia/Bangkok
steam.sh[2]: Running Steam on org.freedesktop.platform 23.08 64-bit
steam.sh[2]: STEAM_RUNTIME is enabled automatically
setup.sh[74]: Steam runtime environment up-to-date!
steam.sh[2]: Can't find 'steam-runtime-check-requirements', continuing anyway
[2023-09-24 07:20:51] Startup - updater built Apr 28 2023 18:32:42
[2023-09-24 07:20:51] Startup - Steam Client launched with: '/home/tune/.var/app/com.valvesoftware.Steam/.local/share/Steam/ubuntu12_32/steam' '-no-cef-sandbox'
ILocalize::AddFile() failed to load file "public/steambootstrapper_english.txt".
Installing breakpad exception handler for appid(steam)/version(0)/tid(139)
/home/tune/.var/app/com.valvesoftware.Steam/.local/share/Steam/steam.sh: line 798: 139 Segmentation fault (core dumped) "$STEAMROOT/$STEAMEXEPATH" "$@"
localectl
System Locale: LANG=th_TH.UTF-8
VC Keymap: us
X11 Layout: us
locale
LANG=th_TH.UTF-8
LC_CTYPE="th_TH.UTF-8"
LC_NUMERIC=th_TH.UTF-8
LC_TIME=th_TH.UTF-8
LC_COLLATE="th_TH.UTF-8"
LC_MONETARY=th_TH.UTF-8
LC_MESSAGES="th_TH.UTF-8"
LC_PAPER=th_TH.UTF-8
LC_NAME=th_TH.UTF-8
LC_ADDRESS=th_TH.UTF-8
LC_TELEPHONE=th_TH.UTF-8
LC_MEASUREMENT=th_TH.UTF-8
LC_IDENTIFICATION=th_TH.UTF-8
LC_ALL=
locale -a
C
C.UTF-8
en_US.utf8
POSIX
th_TH.utf8