It would be really stupid assuming that this is the real end of V, in many aspects:
- production value of the game itself
-from a narrative perspective
-a near sequel is impossible
- night city is too much modular and open to other adventures, the game cannot be scrapped
- V is our main character, the hero with the revolutionary soul and spirit of Johnny SIlverhand beyond the endings
-implying that V is dead and the next dlcs will not be set after the ending this could ruin the entire experience and CDPR knows that
You should visit the "about the endings" thread some time. The amount of times I have to repeat this is giving me brain aneurysms.