Has just dance 4 come out?

As of May 2023, Just Dance 2023 Edition is the latest installment in the Just Dance series, released in November 2022. There is no information released yet or announcement made regarding Just Dance 4.

It's worth noting that release dates and availability of future Just Dance games may change, so staying updated with official sources like Ubisoft's website or social media channels for the latest information is recommended.