When I was playing the new snapshot, I just decided to see if the rail thing worked with angry pigmen. So I put one in, hit it, and it ran out, then ran in. The screenshots are of it running in.
MC-8322
Pigman doesn't stay inside of rails when angry.
Resolved
Works As Intended
0
Working as intended:
Redstone Update Patch Notes:
Improved Mobs
Mobs no longer walk over rails unless they are pursuing the player