I have encountered following bugs, i hope they go in this category.

First, I have experienced that my and the enemy's units get stuck, are captured in a point on the map, from which they cannot move out of, and in some cases are captured in a specifik track, going forth and getting moved back from lets say point A to a wall.

These cases happened in the 2v2 map and mostly for the Giant and Priest units, the giants primarily right between the second outpost of towers right outside the Dark Forces camp. It was also here i experienced the Priests continiously going from right outside the outpost toward the right section of wall, and as they arrived, they were pushed back to the point they started at by an invisible force.

In the same game, on the same map, the speed of the game also decreased dramatically as i reached around level 9-10 of the unit tiers. There was no lag, and the screen panned around nicely, but the movement speed and everything in between, to the countdown of used abilities in seconds were very reduced. As i recall it, it took around 4-5 seconds for the cooldown of abilities to go 1 down.

I hope this helps, and i'm not just too off.