Most of these things you’re describing are the results of exploit fixes released since Update 2.0 and therefore included in the 2.3 console update.
Building inside dungeons, or outside the green wall, for instance, has been fixed as part of anti-exploit measures.
In particular (ommitted the lines that don’t apply):
Regarding this point:
If these player bases were found in any of the fixed locations, their structures are not destroyed, but no other placeables or structures can be added.
There are currently no plans to add a setting override for these exploit restrictions.