Iron Golem farm stops spawing Golems and cats after you leave the rendered area and come back. Only way to fix is replace all villagers which is not an option to keep doing in survival.
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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Is this still an issue? Have you tried relogging at the farm?