This brand-new tutorial covers how to export regular flat videos or images so that you can create the perfect thumbnail or export VR content as regular 2D videos.
https://deovr.com/blog/96-shotcut-tutorial-exporting-a-thumbnail-or-2d-video-from-vr
DeoVR is currently working on automatic thumbnail generation from videos, but for now, exporting from video has been difficult. Shotcut, however, makes things very easy.
This is a guest post by talented VR creator XR Stereo Video - most videos on his DeoVR channel are rendered in Shotcut. https://deovr.com/channel/xr-stereo-video