Using the pixel movement built into the 490 beta, using just enough code to make it move in pixels, the mob under player control will change speed drastically.
Numbered Steps to Reproduce Problem:
Using below snippet, hold an arrow in one direction, at some point it will change speed, and then possibly change back to normal.
Code Snippet (if applicable) to Reproduce Problem:
Mob will move at a constant speed while holding down a movement key.
Speed changes at random without letting off of key or pressing a different key.
Does the problem occur: Every time.
Did the problem NOT occur in any earlier versions? If so, what was the last version that worked?
N/A, Pixel movement wasn't added before 490.