Black Screen macOS eGPU

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Starting the game I get a black screen. While the screen stays black the game is loading as expected and once it has completed loading I do hear the sounds you expect to hear but the screen stays black. Interestingly the this only happens if I use my eGPU. Using the internal UHD Graphics works but is unbearably slow. This used to work but I cannot tell which version of macOS or War for the Overworld broke it. Looking into the issue I found many postings for Windows and Linux, however, there does not seem to be any hint on what to do on macOS. Any pointers are appreciated.

$ system_profiler SPSoftwareDataType SPHardwareDataType
Software:

    System Software Overview:

      System Version: macOS 14.1.2 (23B92)
      Kernel Version: Darwin 23.1.0
      Boot Volume: Macintosh HD
      Boot Mode: Normal
      Computer Name: Birger's Mac mini
      User Name: Birger Brunswiek (lee)
      Secure Virtual Memory: Enabled
      System Integrity Protection: Enabled
      Time since boot: 22 hours, 40 minutes

Hardware:

    Hardware Overview:

      Model Name: Mac mini
      Model Identifier: Macmini8,1
      Processor Name: 6-Core Intel Core i7
      Processor Speed: 3,2 GHz
      Number of Processors: 1
      Total Number of Cores: 6
      L2 Cache (per Core): 256 KB
      L3 Cache: 12 MB
      Hyper-Threading Technology: Enabled
      Memory: 32 GB
      System Firmware Version: 2020.41.1.0.0 (iBridge: 21.16.1069.0.0,0)
      OS Loader Version: 580~743
      Serial Number (system): C07XR4KFJYW0
      Hardware UUID: 9EB796E6-67F4-5C72-8139-C3A5515C712A
      Provisioning UDID: 9EB796E6-67F4-5C72-8139-C3A5515C712A
      Activation Lock Status: Enabled
Game Version:
Steam Public
Platform:
OS X