The current pre-release of the client ("pioneer" in the version) is only compatible to itself. So you can only play with other testers. Please be aware!
@axel12 Removed the fix from 1.2.0 and installed the fixed installer, still works, so looks like that solves the issue for me at least.
[image: 1601126071945-4f6d6b2f-d186-452e-869b-be1909ecad56-image.png]