In reference to this github issue https://github.com/Return-To-The-Roots/s25client/issues/517
i would assume, that this is currently
The AI itself should work very well, execpt on some conditions.
The AI handles the loss of Sea-Habours and low starting resource conditions not very well, on my option.
If you have special conditions where the AI does not work, please feel free to open an issue on github or describe it in this forum.