I don’t seem to have this issue on my steam deck. Running preview channel FYI and I haven’t made changes to packages before
(deck@SteamDeckLCD ~)$ smbclient --version
Version 4.18.3
(deck@SteamDeckLCD ~)$ ldd $(which smbclient) | grep libicu
libicui18n.so.72 => /usr/lib/libicui18n.so.72 (0x00007f9e0b600000)
libicuuc.so.72 => /usr/lib/libicuuc.so.72 (0x00007f9e0b200000)
libicudata.so.72 => /usr/lib/libicudata.so.72 (0x00007f9e08200000)
# which version of icu am I using
(deck@SteamDeckLCD ~)$ pacman -Q | grep icu
icu 72.1-2
lib32-icu 72.1-2
# steam version/build
(deck@SteamDeckLCD ~)$ cat /etc/os-release | grep _ID
VARIANT_ID=steamdeck
VERSION_ID=3.5.6
BUILD_ID=20231117.3
Arizona. Ordered Limited Edition/LE 3 days after launch and its currently shipping!