How to reproduce
Place a waterlogged slab surrounded by blocks (
)
Remove the slab (
)
Place it again
→ ❌ The flowing water below the slab remains (
)
MC-133154
Placing a slab to stop the water flow doesn't remove the water
Resolved
Fixed
4
(Unassigned)
Confirmed
Minecraft 1.13-pre7, Minecraft 1.13-pre9, Minecraft 1.13
Minecraft 18w30b
Retrieved
As far as I can tell it only happens when there is one block distance to the "ground". Anything higher doesn't reproduce the issue.
And interestingly, it does not appear to be a water source because placing a slab in the flowing water part makes it disappear rather than place a waterlogged slab.