When crouching and attempting to place a block the placement is where it would be if player wasn't crouching. Resulting in interactions being inaccurate to the cross hair and being higher than what should be correct. I've included a video showing the issue. Video here
Related issues
Comments

Thank you for your report!
We're tracking this issue in MCPE-167559, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki
Duplicate of MCPE-167559