I can confirm that this issue is still valid in 1.68.

AI drivers running tracked and wheeled vehics onto obstacles while they have plenty of space to bypass.

It should be simple for BIS to write a mission with tons of vehics of different kind, run between wayponts in different modes and report if vehics are stucking.

Analysis could show if obstacles are not reacting properly or if pathfinding is poor or AI driving.

My record says that I loose in CTI still 10% plus due to AI driver skills (means damaged or killed), much more problems appear due to the simple fact that I discover often to late that a vehicle is stucking for a long time already.

Have been having the same issue, any vehicle with a native weapon e.g. Hunter GMG will not move at all when given a command. When a group starts outside the vehicle and the "get in" waypoint is given, the group leader will get into the vehicle and the rest of the group will return to formation. Normally unarmed vehicles e.g. Standard Hunter will move as intended but the issue with the Get In waypoint still exists. Finally when starting with a team already occupying a vehicle the group leader (regardless of the next waypoint) will immediately order that 1 or 2 soldiers disembark which makes no sense. The units do not respond to the order which causes the vehicle to remain stationary.

This was all found in Eden Editor and persisted after uninstalling and reinstalling the game and across various maps. Standard all infantry groups moving on foot are not affected.