So I play on an SMP and I tried to make a simple security mechanism to stop mobs, and I don't think this is supposed to happen. When I have a "staircase" and I place a slab and have water in front, I can get through the slab if I spam jump. EDIT: it only works with an elytra on
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We're tracking this issue in MC-147612, so this ticket is being resolved and linked as a duplicate.
That ticket has already been resolved as working as intended, which means this is not considered a bug and won't be fixed. Please do not leave a comment on the linked ticket.
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