Just got the latest beta. Still have issues with Keyshot closing immediately on launch when my external monitor is not connected. I got the issue pinned down as it seems that the crash is due to my preferred preview setting of 1600x900 pixels with resolution locked. When the monitor is disconnected it is apparently not possible for KS to create a window with this setting. If I, with the external monitor connected, save a file with the setting not resolution locked, KS is not crashing on the next launch without external monitor.
btw the window size and position is not saved so I still have to resize everything each session.