After recent progress with Power Outage, both Light's Out and Power Outage became completely separated into two games, so Power Outage isn't a remake/rebrand of Light's Out anymore, only a game based on it.

Power Outage uses Light's Out mechanics but is not anymore the V2 of Light's Out, it contains everything I wanted to do in Light's Out.

TL;DR Power Outage isn't Light's Out "Rebrand" so now they are brothers lmfao.