Radegast 2.41 will not run on linux Mint 21.1

[racooper]

Trying to get Radegast 2.41 to run on Linux Mint 21.1, based on Ubuntu 22.04.

~/tmp/Radegast_x64-2.41.357$ mono Radegast.exe

Unhandled Exception:
System.BadImageFormatException: Could not resolve field token 0x04000d82, due to: Could not load type of field 'Radegast.MainProgram:s_BugSplat' (1) due to: Could not load file or assembly 'netstandard, Version=2.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. assembly:/home/rac/tmp/Radegast_x64-2.41.357/Radegast.exe type:MainProgram member:(null)
File name: 'Radegast'
[ERROR] FATAL UNHANDLED EXCEPTION: System.BadImageFormatException: Could not resolve field token 0x04000d82, due to: Could not load type of field 'Radegast.MainProgram:s_BugSplat' (1) due to: Could not load file or assembly 'netstandard, Version=2.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51' or one of its dependencies. assembly:/home/rac/tmp/Radegast_x64-2.41.357/Radegast.exe type:MainProgram member:(null)
File name: 'Radegast'

I can't figure out what packages or versions I'm missing to try and get this working.

[houstoncarl]

sudo apt install mono-devel