Recently I had a short conversation with Spine's developer Nate, about what is coming next. In a nutshell nothing major: They will improve latest Constraint called slider making it very flexible for various use cases. If you have a minute, go check the original thread https://en.esotericsoftware.com/forum/d/29569-whats-planned-for-spine-44-

Hey hi all. Thanks for letting me in.. iam Leela from India. I am slot game animator working in spine ,

Let's meet tomorrow and talk about Spine

Let's get to know each other! Comment below sharing where you are in the world, Animations you work on, Lets Have fun. 😊