When stacking minecarts in 18w43c and pushing them off the track the continue perpetually in a random direction without stopping.

I was curious to see if the Minecraft tnt bomb worked still so I

1. Placed a track down

2. Dug down one block

3. Spam click several tnt minecarts on the same track

4. Proceeded to push minecarts

5. tnt did not blow up(But that might be me forgetting how minecart tnt works)

6. minecarts continued to move in a single direction with no track and nothing propelling it