Atomic is switching Kim Erlandsson, her tech, to Marco Schwartz. Kim has been with her for 6 seasons, and switching it up is not bad. I would also imagine that supporting MS has been pretty demanding, even more so with the recent move to ski all events. So he might be exhausted. Not sure how much family time he'll get with an Austrian WC skier, but I imagine more. He also doesn't need to deal with this insane training volume, either. And expectations are lower.
So her new guy has been one of Hirscher's two techs. He's acknowledged, I hear, as being exceptional and in the way up. So it makes sense, likely, for Atomic to split that pair up, and put him with MS. Another factor is that Hirscher just signed with Atomic, for two years, through the 2020 season. There is a lot of chatter that he may not even ski that long....that one season might be it.
MS is signed through the next Olympic cycle, 2022. She is soon going to be THE face of alpine skiing world wide{some would say she is now}, and not sharing that. So Atomic will want to do everything possible to keep her flying, and to re-sign her then.
I think Kim was probably great. It's hard work. Change will be good for all, I hope. And yeah,
@Primoz may have some more thoughts.
Not going to talk much about her SL skis. They all carry a stardard 157cm topsheet. With what they put into her program, she has a lot of skis pressed for them to build the best stable possible. I would bet that she never skis a SL shorter than a 157cm. And I also bet that everything else is up for experimenting. Maybe not width.
The skis under the feet are purpose built for her. And since she's one of a kind, they are, too, I hear. Not to the extent Hirscher's skis are....but leaning that way.