If you lay rails in front of an observer and a minecart runs over them, the observer is not triggered.
Java PC
I'm pretty sure this is intended behavior if you want to detect a minecart passing by, use a detector rail.
That's because it's not a block update. This isn't a bug; but more a suggestion. To which, you should lookup detector rails.
Reporter: migrated
Assignee: (Unassigned)
Created: 2019-09-07T18:40:29Z
Updated: 2026-09-07T14:37:21Z
Resolved: 2019-09-07T18:56:23Z
Confirmation Status: Unconfirmed
Affects Versions: 19w36a
Retrieved 2026-10-16T11:20:31Z
I'm pretty sure this is intended behavior if you want to detect a minecart passing by, use a detector rail.