The latest crawling changes allows yourself to hide and crawl inside the composter and cauldron, however, you cannot get out of the composter/cauldron without breaking the block that you're in.
Steps to Reproduce
1. Place a composter/cauldron.
2. Place a trapdoor above it.
3. Open it and go inside the composter/cauldron.
4. Close the trapdoor to get into crawl position inside the composter/cauldron.
5. Look up and try to open the trapdoor in first-person.
Expected Result
You can open the trapdoor.
Observed Result
You can't, you're stuck, unless you have to break the composter/cauldron.
Linked issues
is duplicated by
Attachments
Comments

I think it's caused by the hitbox. duplicate of MCPE-102451 and MCPE-59923

This crawling in composter is also doesn't like Java Edition, I can confirmed, I won't to be duplicated.

Fixed in 1.20.10.21 Preview!
Confirmed