Except for anything that happens more or less has to be resolved and returned to status quo. This worked for the PT to OT, because it had a status shift. We saw the fall of the Republic and Rise of the Empire. In the Mando timeline we can see the flawed overly beurocratic New Republic that lets the Empire continue to exist in the shadows evolve into the flawed overly beurocratic New Republic that lets the Empire continue to exist in the shadows.The rise of the First Order isn't until 34 ABY. The D+ shows are at year 9. A lot can happen in 25 years.