I have had my car for over two years with a 6MT. I heard that the new update makes for smoother cold starts and tried to get my dealer to update the software. They kept the car overnight and could not reproduce the issue and did not reflash. I was not surprised because it was not cold enough to recreate the problem.
In other words, I don't think they will update unless there is problem. I heard the newest software makes it harder to code but that may just be a rumor.
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