When I am standing on stairs and open a trapdoor above me, I start to swim. I haven't tested this anywhere else but the picture is the exact circumstance.
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Comments 2
MC-151111
Swimming in a Trapdoor
Resolved
Duplicate
0
migrated
(Unassigned)
Unconfirmed
(Unassigned)
Minecraft 1.14
Retrieved
Duplicate of MC-147612