I was using construction robots to add an additional lane to the main bus, and one of the robots got stuck and wouldn't reenter the roboport. The alert tab appeared saying "Not enough empty roboport robot slots available" even though there was a completely empty roboport right next to the robot ...

When remotely driving a train in manual mode, occasionally train would lock up as if it were fighting your movement. It seemed to be associated with trying to start moving while also holding A or D to switch rails. The train should accelerate normally when holding forward/back and turn at the same ...