<PackageReference Include="System.Security.Permissions" Version="5.0.0-preview.6.20305.6" />
API Differences between 5.0.0-preview.6.20305.6 and 4.5.0-preview2-26406-04
90 Additions
3 Removals
System.Configuration
System.Security
System.Security.Permissions
System.Web
System.Xaml.Permissions