When I had put a warden spawn egg in a spawner, the little mob in the spawner doesn't appear as a warden and is non-existent unlike other mobs which have theirs in a spawner.
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Comments 2
Closely relates to MC-199429
MC-249451
Warden doesn't appear in spawner
Resolved
Fixed
10
I can also confirm this behavior.
You can execute the following command in order to reproduce this.