if you save a waterlogged block like a string save it into a structure block and then reload it somewhere. it will appear to be an unlogged block but the water is technically still there, looks a bit weird sometimes when dealing with tnt
MCPE-228320
Waterlogged blocks invisible after structure load
Resolved
Awaiting Response
1
I am not able to reproduce this. Can you still reproduce this in 1.21.114 or later? If so, please attach a video showing the issue.