@Gritsko Boserup. That's not a bug. You need some extra research (mainly building ones) that are available as blueprint only at mechanical/material shops.

Does this fix the fact that UWE in many cases completely blocks you from even seeing research level 5, even though all reqs are met? Pretty embarrassing for treadlightly to still not have fixed this issue.

I didn't even know that was an issue. Thank you for making this!