Wondering if you all are part of a cluster of isolated issues.
Each of you should open up a support ticket with @FrameworkSupport, and refer the ticket to this thread. @TheTwistgibber might need to take a closer look?
There’s currently another thread regarding instant power loss as well…might be related.
@Jacob_Ma mentioned that in his case, it doesn’t seem like hibernation as all previously opened apps are lost. Jacob, what was Windows’ Event Viewer say, anything around kernel lost power?