Star Trek The Next Generation Sequel: 10 Things It Must Have
3. Closure
We've already had some closure for Picard with All Good Things... but then the films being left open with Nemesis (albeit aside for the "death" of Data, anyway) changed things up somewhat and Picard didn't get the proper send-off that Captain Kirk did in Generations. That's to make no comment about the specific manner of his departure of course.
We need this new Picard series to offer some closure to the character (with the expectation that we won't get to see too much more of him given Stewart's advancing age). He's the kind of character who absolutely deserves to see a fitting end - and more so than him retiring to a vineyard, to be honest.
This doesn't necessarily mean he has to be killed off, before you sharpen your pitchforks, but a final, satisfying story that restores something of what All Good Things managed in terms of tone and ideas.