Yeah, this seems to have nothing to do with GrapheneOS. There's some account used by default when you don't use your own in Aurora, and Google has started seein

Yeah, this seems to have nothing to do with GrapheneOS. There's some account used by default when you don't use your own in Aurora, and Google has started seeing too much traffic to the Play Store APIs from it. I'm surprised it took this long tbh. The server busy errors are transient and go away after a while, but if the load persists, they'll come back.