Summary:
Death player while crawling changes the player's hitbox by 1 block. The hitbox becomes normal after re-entering the world.
Steps to reproduce:
Switch to survival game mode.
Start crawling (using water first and then a 1 block tunnel).
Kill yourself in any way.
Try to go through the hole 1 block high after respawning.
Observed results:
The player walks through 1 block high when dying in a crawling position.
Expected results:
The player's hitbox in the non-crawl position will be 2 blocks high.
Related issues
Comments

Thank you for your report!
We're tracking this issue in MCPE-100202, so this ticket is being resolved and linked as a duplicate.
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