>>102267486
Nothing really, she is just in a numbers slump because she moved to a new house. Also she prioritizes her members over new viewers heavily which may or may not be a good thing but I doubt it helps with growth.
I've seen a few vtubers this year have it happen to them. Indie scene is so cutthroat that if you go on vacation for a week or two you lose a good chunk of audience unless you're in the whoreclan, half of their streaming schedules basically revolve around vacations.