I just read on f95 zone and they paused the payments for this subscriptions. But it doesn't sound like the abandoned the game sounds like they just don't want to have an outside influence getting pressure on them.
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That's exactly what happened and they said as much on their Patreon. Update has been slow going for a while and they didn't want to keep charging people and the expectations that come with that. Unsure if they've provided any updates on Discord since the Patreon blogpost, but I wish they offered some form of communication on the matter.