Latest version (0.5a) has been released. Links at the top of the thread. It's the largest update so far.
Existing saves should continue to work, however, expect to see a huge drop in fame. Which may create some situations where you are now losing money when you weren't before. The satisfaction and fame calculations have been redone and that will impact how many customers will visit your club. So you will likely see a drop in customers and revenue. Cash should be harder to come by and you may have to work harder to optimize your revenue generation, specially early on.
The fifth image pack, Eve is also out now. I keep learning new tricks when it comes to AI image generation so I think the images there are of much higher quality than previous ones.