This is an English translation directly from a German article. While it mentions that her prime target as new coach is Brian Orser, no decision has been made. I doubt if Brian would be amenable to this, given his commitment to YuNa.
"Kostner leaves Colonel village
The Italian Carolina Kostner, second the WM 2008, leaves its German Coach of many years Michael Huth after nearly nine years training in the achievement center Colonel village.
Where it leads the way, it wants to decide at the beginning of of July. A desire candidate of Kostner is the Canadian Brian Orser, which cares for also the current world champion Kim Yu-well from Korea.
Kostner drew the conclusion from its disappointing cutting off with the change in the past season. With the EM it had given the title gain and with the WM became it only to 12. "