Trying out the dev-beta from macOS 26 - see the splashscreens, the i got the following message:
VERSION
0.1.0-pre8-rc1 | Mac OS X 16.0.0 | Metal | Steam | 2025-05-29 12:15:28Z
ENVIRONMENT
Prod
STORE
Steam
SAVEGAME DIRECTORY
/Users/dirk/Library/Application Support/tobspr Games/shapez 2/savegames
SUPPORTED VERSIONS
1105 ... 1122
System.Exception: SteamApi_Init returned false. Steam isn't running, couldn't find Steam, App ID is ureleased, Don't own App ID.
at Steamworks.SteamClient.Init (System.UInt32 appid, System.Boolean asyncCallbacks) [0x00046] in <1f6849cea1794ca2b3adf1b8343ff3bc>:0
at SteamStoreSDK.Init () [0x0001c] in <e820f341a8a84675a5d4f1a047f07e14>:0
at Globals+<Init>d__6.MoveNext () [0x0024b] in <e820f341a8a84675a5d4f1a047f07e14>:0
at PreloaderPreloadState+<Preload>d__11.MoveNext () [0x00084] in <1a5f3f53e484439682f4b9d71ec025ee>:0