Roseluck lives in her own home? I would have assumed she, Daisy, and Lilly lived together.
Why wouldn’t she tell anyone she was leaving Ponyville to live in the Crystal Empire?
Even if she didn’t tell anyone initially, it’s interesting that at this point, she’s been gone for a month and never been in contact with friends in Ponyville.
So she left to go be Shining’s pet and didn’t bother telling her friends she was leaving? Oh dear. Also, I read way too much into that “wandering the streets” thing Cadence said back in the first couple pages and had assumed Roseluck was actually homeless and not that cadence was just being fun.