It seems that in the 1.16 versions that create does not register moving entities such as windmills and carts as solid block that i can stand on and i now just go through them

This issue has been marked as stale because it has been inactive for 3 weeks. It will be closed if it remains inactive for another 3 weeks.

This issue has been closed since it has been inactive for 3 weeks since it was marked as stale.

Reinstall Optifine, if not work, remove it