Minecarts can randomly derail out of its track regardless of whether the chunk is loaded, and would break my automatic farm on my Realms server every once in a while.
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 Cannot Reproduce. 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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Does the minecart actually "derail" (leave its track) or just stop on the track? Can you attach a screenshot with the minecart after it has "derailed"?