Not sure if this is a good idea or not but just thought I’d throw it out there.
Image having a section in the Epic Launcher where people building games in Unreal Engine could post their alpha/beta version of the game for play testing/feedback. Maybe there could be a rating system where the play-testers rate the game and an area to leave comments/feedback. I’m kinda picturing something along the lines of Steam’s individual game pages, like the page you see when you click on any game title, only this would be for alpha testing games.