I've had a bug here for a while where the 2D mode menu won't receive any key presses after playtesting a map.
Last working release. 5948
First broken release. 5974
Suspected cause r5968-r5972 keyboard refractoring dec. 2016

This post has been edited by Mark: 12 February 2020 - 05:31 PM
This post has been edited by Photonic: 12 February 2020 - 05:53 PM