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, looks like they peaked 14 months ago.
I can only speculate ofc and speak from my own perspective: While I do think Wild Life is the most promising (and currently best) porn game, a lot of the updates don't tickle my fancy. I'm a filthy pirate so take everything with a grain of salt. But if I were a paying customer I'd unsubscribe after one, at most two updates that don't include what I would want to see.
For instance, I do like the pairing of Kral with human females the most. I do like female anthro on male anthro or male human as well, but the designs of the anthro females in this game don't appeal to me that much, content in that regard is of no interest to me as a result. Same as human on human, maybe my coombrain is fried beyond repair but that's something you see all the time.
This is entirely subjective, of course, but the point still stands. Whatever you personally like, there's very likely bound to be a dry spell for a couple of updates which is especially bad considering an update only drops every two months.
Then there's some technical issues, optimization is kinda really bad in this game. I can play it no problem but by GPU goes into turbine mode when I play it for longer than 10 minutes, especially after the switch to UE5 and now fur rendering. I suppose this means that the number of potential customers that simply can't run the game anymore has increased of the last couple of updates.