The bug
You can breathe indefinitely underwater by placing torches repeatedly.
Steps to Reproduce
Go underwater
Placing torches repeatedly at your facing block
→ ❌ Your will get infinite oxygen.
You can breathe indefinitely underwater by placing torches repeatedly.
Go underwater
Placing torches repeatedly at your facing block
→ ❌ Your will get infinite oxygen.
I added the information from this ticket into MC-134622, so I'm going to resolve this as a duplicate of MC-134622.