Waterlogged leaves will convert concrete powder into concrete on all sides except the top. The waterlogged copper grates do not convert concrete powder on any side. Either they should also convert the powder into concrete, or the leaves should not.
[media]
MC-278647
Waterlogged copper grates do not convert concrete powder
Open
1
cswertwertwert
(Unassigned)
Confirmed
Gameplay
Block states
1.21.3, 1.21.4 Release Candidate 3, 1.21.4
Retrieved
I've removed mangrove roots from this report as they're tracked in MC-259091.