Hm, rebooting the pi doesn't change any state on its own. Lights which are ZigBee or wifi might turn on when power is restored, and most of my automations are

Hm, rebooting the pi doesn't change any state on its own. Lights which are ZigBee or wifi might turn on when power is restored, and most of my automations are of the form "when motion sensor state changes to occupied: turn on light. When motion sensor state is vacant for X minutes, turn off the lights", so they might stay on until you walk by the motion sensor, at which point they fix themselves. If you have smart switches, I think they would be off after a power outage.