Based on the live streaming of various video anchors I have seen on Bilibili, it seems that the latest version has not been released on the itch platform (even earlier updated versions). I guess the author has forgotten about this place?
What seems like the creator's page on a CN version of patreon has the most up to date on the game:
https://afdian.com/p/7ff59e50daca11ef89cc52540025c377
