After upgradering af customer to 85R09, they experience some weird stuff on the windows clients.
The notification bell shows notifications depending on which calendar youre in. Even worse, you can accept and decline other peoples invitations this way, by clicking on the bell.
In the picture below, I'm logged in as user SG, but I'm able to see Kurt Nedergaards activities, because I'm on his calendar.
Is this a bug? If so, its a critical one.