Remove ios, windows8, and wp8 from Xamarin Forms PCL - nuget 3.0 opt-into error?

Question

I\'m working on a Xamarin Forms project. I want to target Android and Windows 10 UWP.

When I try to clean up the PCL by removing \"Windows 8\", \"Windows Phone Si

Answer 1

Per comments on the original question, there are a couple potential routes; one would be to try and remove all packages from the projects and make the necessary changes before re-adding them again.