resizing window

When I resize the parallels window, I want to see a clear image of the vm machine, so that my eyes feel still good. Background: Since Parallels Desktop 19 for Mac 19.1.0 (54729) there is a new feature called "Adds a blur effect during the virtual machine window resizing to better indicate the...

I'm evaluating Parallels pro 15 for Mac and everything seems to work fine except when I resize the window the view becomes stretched and distorted. I'm sure it has something to do with how the window is trying to scale the view. This happens for all the VMs. I've been hunting for a solution for...