Mobs from spawn eggs have getEntitySpawnReason() of NATURAL #13397

Activity

1. ghost added the

   Bug

   issue type on Dec 16, 2025
2. ghost added

   status: needs triage

   on Dec 16, 2025
3. Doc94

   added

   version: 1.21.10Game version 1.21.10Game version 1.21.10

   version: 1.21.11Game version 1.21.11Game version 1.21.11

   on Dec 16, 2025
4. Doc94 commented on Dec 16, 2025

   

   Doc94

   on Dec 16, 2025

   SponsorMember

   More actions

   Confirmed for 1.21.10 and 1.21.11 the events show the correct SpawnReason but the NBT saved (and for that the Entity#getEntitySpawnReason) show another when the entity is created and loaded.
5. Lulu13022002

   added

   status: acceptedDisputed bug is accepted as valid or Feature accepted as desired to be added.Disputed bug is accepted as valid or Feature accepted as desired to be added.

   and removed

   status: needs triage

   on Dec 21, 2025
6. ghost changed the title [-]Mobs from spawn eggs have getEntitySpawnReason() of NATURAL[/-] [+].[/+] on Feb 16, 2026
7. Lulu13022002

   changed the title [-].[/-] [+]Mobs from spawn eggs have getEntitySpawnReason() of NATURAL[/+] on Feb 17, 2026
8. Lulu13022002 commented on Feb 17, 2026

   

   Lulu13022002

   on Feb 17, 2026 · Pinned by Doc94

   Contributor

   More actions

   Original post

   Expected behavior

   It should have a spawn reason that is not natural

   Observed/Actual behavior
   It has a spawn reason of natural

   Steps/models to reproduce
   Spawn any mob i.e polar bear with spawn egg, query spawn reason, its set to Paper.SpawnReason: NATURAL

   Plugin and Datapack List
   N/A

   Paper version
   f8cf03d

   Other
   No response
9. Doc94

   closed this as completedin #13402on Nov 9, 2026