When you glide with the elytra, the way that the player's model is positioned is not correct. It was fine before the 1.12.0.2 beta.
MCPE-44799
Player is in incorrect position when gliding with the elytra
Resolved
Duplicate
0
Johnny oliver danny
(Unassigned)
Unconfirmed
Xbox
Xbox One S
1.12.0.2 Beta
Retrieved
Thank you for your report!
We're actually already tracking this issue at MCPE-44731, so we will resolve and link this ticket as a duplicate.
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