to find this bug you just have to swim and immediately press the sneak button. You can not go up again. this bug is only in mcpe. Please fix it.
MCPE-33479
Sneak bug again
Resolved
Duplicate
0
Franklin
(Unassigned)
Unconfirmed
Phone - Android - Samsung Other (Specify in description)
Android 6.0
1.4.0.5
Retrieved
Closing as a duplicate of MCPE-32478 - please don't create a new ticket for each affected version, please update and/or comment on your original ticket.