Steps to reproduce:

1. Load up the attached world
2. Activate the redstone mechanism

Observed results:
The first TNT explodes and has no effect on the second TNT

Expected results:
The first TNT explodes and accelerates the second TNT

Original description:
On the 1.20.80 TNT does not work properly. In the 1.20.70 and older versions when there is 2 tnt in the same block moving or falling equaly, the first tnt to explode Will accelerate the tnt who did not explode. But in the 1.20.80 the first tnt to explode will completely stop the tnt who did not explode.