I've noticed, that if you do a corner with glass panes, you'll be able to set block through this corner
Link to video footage where I showed everything in detail: https://youtu.be/s4k1F1w2zxA
Step by step to do this bug:
create a corner with glass panes like on screenshot
stand up close this corner and place any block
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Thank you for your report!
We're tracking this issue in MCPE-8407, so this ticket is being resolved and linked as a duplicate.
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