When A hopper is powered the hopper above it can only give it items from the first slot in the gui. If items are placed in the other 4 slots then they will not go to the bottom hopper if the bottom hopper is powered. They will though if the items are in the first slot of the gui.
MC-12323
Bug with powered hoppers
Resolved
Duplicate
0
Duplicate of MC-8193, please use the search function to see if your bug has already been submitted. Currently over 54% of tickets are being closed as duplicate.