I stumbled upon some overlaping structures while exploring in the latest snapshot.
Seed: -1133578284221678473
Coords: -500 70 -450
MC-216518
Overlapping Structures Generation
Resolved
Duplicate
0
This appears to be a duplicate of MC-187009, which was later marked as, "Works As Intended". This "issue" that you are experiencing, isn't actually a bug and works how the developers intended it to. Please see the parent ticket for further details.