Your system information

• Steam client version (build number or date):
  1.0.0.73 from AUR
• Distribution (e.g. Ubuntu):
  5.15.5-arch1-1 SMP PREEMPT Thu, 25 Nov 2021 22:09:33 +0000 x86_64 GNU/Linux
• Opted into Steam client beta?: [Yes/No]
  No
• Have you checked for system updates?: [Yes/No]
  Yes

After recent nvidia drivers update i am getting this

Running Steam on arch rolling 64-bit
STEAM_RUNTIME is enabled automatically
Steam runtime environment up-to-date!
Can't find 'steam-runtime-check-requirements', continuing anyway
WARNING: Using default/fallback debugger launch
/home/mrandersen/.local/share/Steam/ubuntu12_32/steam
[2021-11-28 02:05:04] Startup - updater built Oct 13 2021 19:47:06
ILocalize::AddFile() failed to load file "public/steambootstrapper_english.txt".
Installing breakpad exception handler for appid(steam)/version(0)
munmap_chunk(): invalid pointer
DBG DBG 6 OTHER Steam Executable Crash

crash_20211128020504_2.dmp[3876]: Uploading dump (out-of-process)
/tmp/dumps/crash_20211128020504_2.dmp
/home/mrandersen/.local/share/Steam/steam.sh: line 785:  3873 Aborted                 (core dumped) $STEAM_DEBUGGER $DEBUGGER_ARGS "$STEAMROOT/$STEAMEXEPATH" "$@"

Tried:

1. Using steam --reset
2. Reinstallind steam
3. Removing ~/.steam and ~/.local/share/Steam

Result of ldd steam is:

        linux-gate.so.1 (0xf7f9b000)
	libdl.so.2 => /usr/lib32/libdl.so.2 (0xf7933000)
	libstdc++.so.6 => /usr/lib32/libstdc++.so.6 (0xf7722000)
	libpthread.so.0 => /usr/lib32/libpthread.so.0 (0xf7700000)
	librt.so.1 => /usr/lib32/librt.so.1 (0xf76f5000)
	libX11.so.6 => /usr/lib32/libX11.so.6 (0xf75a6000)
	libm.so.6 => /usr/lib32/libm.so.6 (0xf74d9000)
	libc.so.6 => /usr/lib32/libc.so.6 (0xf72e0000)
	/lib/ld-linux.so.2 => /usr/lib/ld-linux.so.2 (0xf7f9d000)
	libgcc_s.so.1 => /usr/lib32/libgcc_s.so.1 (0xf72c2000)
	libxcb.so.1 => /usr/lib32/libxcb.so.1 (0xf7296000)
	libXau.so.6 => /usr/lib32/libXau.so.6 (0xf7291000)
	libXdmcp.so.6 => /usr/lib32/libXdmcp.so.6 (0xf7287000)

Stacktrace of error using gdb is

Program received signal SIGABRT, Aborted.
0xf7fcb549 in __kernel_vsyscall ()
(gdb) bt
#0  0xf7fcb549 in __kernel_vsyscall ()
#1  0xf79a06e8 in raise () from /usr/lib32/libc.so.6
#2  0xf7989407 in abort () from /usr/lib32/libc.so.6
#3  0xf79e5bdc in __libc_message () from /usr/lib32/libc.so.6
#4  0xf79ee4cd in malloc_printerr () from /usr/lib32/libc.so.6
#5  0xf79ee91b in munmap_chunk () from /usr/lib32/libc.so.6
#6  0xf79f3520 in free () from /usr/lib32/libc.so.6
#7  0xf7c6c3d7 in XFree () from /usr/lib32/libX11.so.6
#8  0x565b2683 in ?? ()
#9  0x565b31de in ?? ()
[#10](/issue/ValveSoftware/steam-for-linux/10) 0x56594f00 in ?? ()
[#11](/issue/ValveSoftware/steam-for-linux/11) 0x5657d7fe in ?? ()
[#12](/issue/ValveSoftware/steam-for-linux/12) 0xf798aa0d in __libc_start_main () from /usr/lib32/libc.so.6
[#13](/issue/ValveSoftware/steam-for-linux/13) 0x565830bd in _start ()

Result of yay -Q | grep nvidia

lib32-nvidia-utils 495.44-1
nvidia 495.44-13
nvidia-dkms 495.44-6
nvidia-settings 495.44-1
nvidia-utils 495.44-6

I also have all latest drivers installed AND lib32 libraries including nvidia ones. Really have no idea at this point what could gone wrong, because recently steam was working OK