Microsoft is expected to unveil at least the Surface Laptop 3 and Surface Pro 7 at its hardware event on October 2. A recent FCC filing suggests that the company may also have a new Surface Pen in the works, though. The certified accessory has an interesting detail that existing Surface Pens lack too.
https://www.notebookcheck.net/Surface-Pro-7-Will-the-next-Surface-Pen-support-wireless-charging.435305.0.html