As of 21w37a, mansions can spread far into other biomes, which didn't happen in 1.17.1.
Seed: -7956961809837445726 Coordinates: /execute in minecraft:overworld run tp @p -10076 126 -3664
The woodland mansion would not spread into the other biomes
Status:Works As Intended
Reporter:[Helper] gaspoweredpick
Created:2021-09-18, 07:08 AM
Updated:2021-09-23, 12:35 PM
Resolved:2021-09-23, 10:11 AM
Votes:5
Watchers:2
Confirmation Status:Confirmed
Category:Structures, World generation
Labels:
Affects Versions:21w37a
Fix Versions:-
MC-236997
MC-236997MC-236997