Just a 350 question, and more

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For one I want to ask when the ULR 350 will be available (guess I heard something like April), just wanted to be sure. And the other, when I am on approach and want to consult the FMS even after longhaulflights the yellow X-cursor disappears and is replaced by a clickspot. Then this system freezes so I cannot change the view to see where I am or to set anything while the aircraft is still moving/flying in descent.  After about 2 minutes it recovers and I can go on. 2 minutes which could be dangerous under circumstances. What could be the matter?

FS2020 btw