I started with v0.11 Windows to try out the game but it runs terribly (input lag and abhorrent framerate). So I tried v0.1 and the game runs smoothly. I'm running Windows 10 but I just can't figure out why v0.11 runs so poorly on my rig.
I... can't say anyone else has spoken up about this. Huh.
Have you installed it on a USB drive or something similar by any chance? That can cause a severe CPU bottleneck and performance issues. If not, we'll ask around and see if it's affecting other Win10 users and see if anything can be done.
It was on an external HDD, but I just tried it on a regular SATA connection and it works just fine. First time I ever had any issues with the external, so I guess the USB connection is at fault. In any case, consider it fixed unless others have the same issue, of course.