Build Release x64, then replace mono-2.0-bdwgc.dll in SubnauticaZero/MonoBleedingEdge/EmbedRuntime/
- Debug > Start Debugging
- Debug engine: Unity (Connect)
- IP Address: empty
- Port: default 55555
- https://github.com/0xd4d/dnSpy-Unity-mono
- UnitySetup64-2019.2.17f1.exe from https://unity3d.com/get-unity/download/archive
- unity-2019.2-mbe-fix-debugger-hang branch from https://github.com/Unity-Technologies/mono