Custom mobs do not seem to despawn from any distance with the "despawn" component, I also noticed this occurs with other popular addons.
This is the code included in the JSON behavior file, in the mobs' components.
Expectation:
Custom mobs with this component should despawn when all players are far enough from the mob.
Result:
Custom mobs with this component do not despawn seemingly forever.
Attachments
Comments 2
Cleaning up old tickets: This ticket had been set to 'Awaiting Response', but has not received a response from the reporter (~3 months+) so is being closed as Incomplete. If you feel this is still a valid issue then please comment, or create a new ticket following the Issue Guidelines which includes steps to reproduce the problem.
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For bugs related to custom/addon content we need you to attach a pack that can be used to demonstrate the issue.
With regard to what you are reporting, if you summon the mob yourself with a command or spawn egg you are giving it persistence with that action, which means it is immune to despawning. There are ways to work around this but I would not know what is relevant to your specific use case without more information.