With the latest release the game doesn't launch at all. Here is the log from launching it on the console:
5.1.1-23901901+++UE5+Release-5.1 1008 0
Disabling core dumps.
[S_API] SteamAPI_Init(): Loaded '/home/andy/.local/share/Steam/linux64/steamclient.so' OK.
[S_API FAIL] SteamAPI_Init() failed; no appID found.
Either launch the game from Steam, or put the file steam_appid.txt containing the correct appID in your game folder.
[S_API FAIL] Tried to access Steam interface SteamUtils010 before SteamAPI_Init succeeded.
[S_API FAIL] Tried to access Steam interface SteamUser021 before SteamAPI_Init succeeded.
[S_API FAIL] Tried to access Steam interface SteamFriends017 before SteamAPI_Init succeeded.
[S_API FAIL] Tried to access Steam interface STEAMREMOTESTORAGE_INTERFACE_VERSION016 before SteamAPI_Init succeeded.
[S_API FAIL] Tried to access Steam interface STEAMUSERSTATS_INTERFACE_VERSION012 before SteamAPI_Init succeeded.
[S_API FAIL] Tried to access Steam interface SteamMatchMakingServers002 before SteamAPI_Init succeeded.
[S_API FAIL] Tried to access Steam interface STEAMAPPS_INTERFACE_VERSION008 before SteamAPI_Init succeeded.
[S_API FAIL] Tried to access Steam interface SteamNetworking006 before SteamAPI_Init succeeded.
[S_API FAIL] Tried to access Steam interface SteamMatchMaking009 before SteamAPI_Init succeeded.
dlopen failed trying to load:
steamclient.so
with error:
steamclient.so: cannot open shared object file: No such file or directory
[S_API] SteamAPI_Init(): Loaded '/home/andy/.local/share/Steam/linux64/steamclient.so' OK. (First tried local 'steamclient.so')
dlmopen steamservice.so failed: steamservice.so: cannot open shared object file: No such file or directory
CAppInfoCacheReadFromDiskThread took 83 milliseconds to initialize
LowLevelFatalError [File:.\Runtime/CoreUObject/Private/Serialization/AsyncLoading2.cpp] [Line: 1577]
ObjectSerializationError: /Game/Blueprints/Items/Resources/BP_ClayItem (0x5EA2A4DFEEBD7F09) /Game/Blueprints/Items/Resources/BP_ClayItem (0x5EA2A4DFEEBD7F09) - BP_ClayItem_C /Game/Blueprints/Items/Resources/BP_ClayItem.Default__BP_ClayItem_C: Bad import index 7932/31.
Signal 11 caught.
Malloc Size=262146 LargeMemoryPoolOffset=262162
CommonUnixCrashHandler: Signal=11
Malloc Size=131160 LargeMemoryPoolOffset=393352
Malloc Size=131160 LargeMemoryPoolOffset=524536
Engine crash handling finished; re-raising signal 11 for the default handler. Good bye.
With the latest release the game doesn't launch at all. Here is the log from launching it on the console: