The
Mavic 2 - if announced this month -- won't likely be available in sufficient quantities until late Spring, based on prior releases. As
@Thunderdrones says, the OS will likely be far from final, and frustrating to use. At least 6 months will pass before everything works well. And I wouldn't be surprised if the early glitches create the need for an upgraded airframe altogether -- this exact scenario happened with the Inspire1 Pro. Being an "early adopter" was painful there.
Meanwhile, the Mavic 1 will start to see price discounting, and a lot of softness in it's used value. This is the way it always goes.
My advice: don't wait. If you do, you'll miss up to 6 months of frustration-free flying, after which you can decide what is the most important thing to you. You may feel that the Mavic 1 is enough. As a pro photographer, if you had told me that I would someday enjoy the pictures from a sensor this small, I would have laughed. But working with the Mavic's strengths, I have gotten some astounding shots that are portfolio-worthy.
There is always a better drone and a better camera "coming soon". But what really matters is the ability of the operator/photographer.