The Production Team and Devs are absolutely working on Pathfinder/Starfinder content. Their goal is to release products (both new and 
backlist titles) on a regular basis. As a part of Roll20's licensing 
agreement, specifics can’t be revealed until closer to completion and 
with the agreement of the licensor (in this case Paizo Publishing).   You can keep an eye out for announcements here on the forums, as well as the  blog ,  twitter , and via the Roll20 Newsletter (if you’re not signed up for that, you can join  here ).