When you open a door or gate, there is a delay with the opening, but then there is. You could still walk through when no animation.
MCPE-11313
doors and gates are not opening the exact second
Resolved
Duplicate
0
(Unassigned)
Unconfirmed
Tablet - Android - Samsung Galaxy Tab S
Android 5.1
0.13.0 Beta 1
Retrieved
This bug has been previously reported as the issue linked. If you follow that link, you can confirm the issue happens, and vote for it to be fixed. In the future, please search before creating a new ticket. Thanks!