The bug
Pillagers will never spawn in pillager outposts in any superflat world.
Illager patrols not spawning in superflat is MC-139817.
Steps to reproduce
Create a new superflat world with the preset "Overworld"
Locate and teleport to a pillager outpost
/locate Pillager_Outpost
→ Notice there are no pillagers
Related issues
is duplicated by
relates to
Attachments
Comments


Caused by the fix of MC-139706

Confirmed for 1.15.1

Testing regarding this issue, it is superseded by issue MC-169728