TNT does not damage player

Thank you for your report!
However, this issue Works as Intended.

See MC-38026 for further details. (probably this is a duplicate)

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Things such as graphics, sounds, world creation, biomes, redstone, villagers, and animals may not work the same in current versions.

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Wouldn't that make desert temples 90% less dangerous. It also breaks lots of PVP server games. It also makes pranks a lot less fun.