Has anyone noticed that the magic mouse is sluggish as soon as the VM captures it? I noticed it works fine in OS X but as soon as it enters the parallels window, it immediately feels/looks delayed and feels sluggish or "lazy".
Hello AleksyeM, please install Parallels Tools manually as suggested at http://kb.parallels.com/en/112609 and check if the issue still persisting. If the issue still persisting, could you plz let us know the version of Windows and Parallels Desktop for Mac.
I notice that turning on mouse trails in Windows 10 makes the mouse very sluggish and stuttery in Parallels. Turning that feature off made things perform smoothy again.