Recent post in patreon suggests she might be doing some irl cosplay posts in addition to nsfw audio + potential animations. These are past images from Twitter
I don't think so, looked over the patreon again and only saw a post mentioning an irl cosplay photo (but it is one of the most liked posts, so probably good)
Lots of reasons. She recently lost someone important in her life, her life has been busy and she can't commit 100% to content creation. From what she insinuated, she might have got an offer from an vtuber agency so she's probably sorting things out before debuting as their talent