Thank you!
Can confirm for v1.17.10. Create a new creative world, find a chunk border, set up your hoppers on the chunk border, cover with honey block and throw items in. The side facing the next chunk will not take items
I am blocked on a huge project
Agree. I went back to a backup from yesterday, working ok so far. I left it running overnight with the world that has now developed a bug so perhaps the upgrade had something to do with it. I think the save is toast but would like to know why.