Steam flatpak not launching

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

Works fine for me. Which steam version do you have? I have 1.0.0.78

# flatpak list  
Name                           Application ID                                         Version        Branch            Installation
Steam                          com.valvesoftware.Steam                                1.0.0.78       stable            system
Proton (community build)       com.valvesoftware.Steam.CompatibilityTool.Proton       7.0-5          stable            system

Have you tried to reinstall?

same

Steam                                 com.valvesoftware.Steam                                1.0.0.78  stable       system

reinstalled not working

A new to Gnome 44 bug (assuming you’re on gnome because you didn’t specify) You need to make sure steam is able to run in background.

Hey.Derek. i’m Tune76251 on telegram.do you recognise? you knew i use KDE!

I know like 5 people computer setup to be honest. There’s too many folks over the years.