Hoppers tend to ignore items in water streams. Some items just simply pass right over the hopper undetected. Not an issue with powering or excessive items. Items are also unable to be picked back up by the player. Technically only tested in Creative
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duplicates 1
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Is this still an issue in the latest version?
If so, could you upload a test world that demonstrates the issue? I not able to fully understand what is happening from the picture.
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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Looking at this report again, I am 99% sure it was reporting the same issue tracked in MCPE-38963, so I am re-resolving it as a Duplicate.
Probably related to the report that said that items would get stuck on top of a hopper and never enter... MCPE-46587