It was announced last year that Mafia IV was in development, and now we might have more details on that thanks to a job posting at Hangar 13 for a tooling engineer.
In the job description, it is specified that Hangar 13 is developing a cross-platform AAA game without announcing that it is made with Unreal Engine 5. The title is also said to be in the pre-production phase. You
While it’s possible that this job ad refers to Mafia IV, it’s also possible that Hangar 13 is working on Top Spin 5, which could be released before a new Mafia title, or even a prequel to the series.