Version Info

• Minecraft, ... 1.20.1
• Chunk Loaders, ... 1.2.8

Are you using OptiFine?: ... no

Description of the Bug
... no mobs spawn from spawners in loaded chunk

Steps to Reproduce
... casual gameplay

Screenshots
...

Mob spawners are only active if there's a player within 24 blocks range. It has nothing to do with chunk loading 🤔