The bug
Usually a player can't use flint and steel underwater, but you can use this underwater to ignite TNT.
MC-128899
Flint and steel can be used underwater to ignite TNT
Resolved
Works As Intended
3
(Unassigned)
Confirmed
flint_and_steel, tnt, underwater
Minecraft 1.12.2, Minecraft 18w16a, Minecraft 18w19a, Minecraft 18w19b, Minecraft 18w20a, ..., Minecraft 1.13-pre5, Minecraft 1.13-pre6, Minecraft 1.13-pre7, Minecraft 1.13-pre8, Minecraft 1.13-pre9
Retrieved
Confirmed in 18w22b. Also when TNT explodes underwater, nothing happens. There is no damage to surrounding blocks or plants. Is it supposed to work like that?