Paradox Interactive have revealed they are handing back control of Mount & Blade to the developers Tale Worlds Entertainment after 5.5 years as its publisher. This was revealed on the Paradox forums where they also announced that as a parting gift to players a copy of the early version of Magicka: Wizard Wars in their Steam libraries.
Meanwhile, Tale Worlds Entertainment are still working on Mount & Blade 2: Bannerlord, and if you're curious about its development they have release a few developer blogs.