mojira.dev
MC-302133

birth of hostile mob in the world

Bug in the latest version of Minecraft (1.21.9 pre-release 1), hostile mobs are not spawning in the alternate dimensions. End and Nether.

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Comments 6

In Minecraft Server 1.21.9 pre-release 1 spawns correctly

2025-09-16_21.12.14.png

U might have mobs turned off? AKA Peaceful mode?

The same thing happens to me in my survival, I went to my XP farm in the end and there were no mobs.

Same issue after updating the world from previous snapshot

Thank you for your report!
We're tracking this issue in MC-302120, so this ticket is being resolved and linked as a duplicate.

That ticket has already been resolved as Fixed. Please check the Fix Version/s field in that ticket to see in which version this behavior was or will be fixed.

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Vinicius Dougllas da Silava Gomes

(Unassigned)

Unconfirmed

(Unassigned)

1.21.9 Pre-Release 1

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