If you break a block underwater while swimming it will break the block that is situated on top of the block that you desire to break. Simply you can not make 1×1 tunnel underwater while swimming.
MCPE-74549
If you break a block underwater while swimming it will break the block that is situated on top of the block that you desire to break. Simply you can not make 1×1 tunnel underwater while swimming.
Resolved
Duplicate
1
Thank you for your report!
We're actually already tracking this issue at MCPE-57257, so I will resolve and link this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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