<PackageReference Include="System.Security.Permissions" Version="4.6.0-preview5.19224.8" />
API Differences between 4.6.0-preview5.19224.8 and 6.0.0-preview.4.21253.7
27 Additions
9 Removals
System.Security.Permissions
System.Security.Policy
System.Xaml.Permissions