I received an update from the previous RC build to the 384 build. A screen popped up requesting a reboot, all the while KIS was disabled and MS Defender was reenabled. Upon reboot, the installer popped up and installed the new version. Overall I think they should get rid of the gaps in protection, I don't like that KIS was uninstalled automatically and effectively left me without protection until I rebooted.
Settings seem to have carried over without issues.
