The "random" reboots are the update process completing. If there is no update available, your machine will not reboot. Following those instructions will still e

The "random" reboots are the update process completing. If there is no update available, your machine will not reboot. Following those instructions will still enable the update to download, but not to be applied until you choose. Our release cadence through the alpha has been about once a week, so 1 "random" reboot a week.