The old TNT block, which is activated by breaking it, is gone. The "explosion" block state no longer exists. It is not seen in the debug world, either. Can't find it anywhere.
Even petrified oak slab is kept, but the old TNT is gone.
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Thank you for your report!
However, this issue is a Duplicate of MC-122563.
It has been linked to this report. If you have additional information, please add it to that report.
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