<PackageReference Include="System.Security.Permissions" Version="5.0.0-preview.7.20364.11" />
API Differences between 5.0.0-preview.7.20364.11 and 6.0.0-preview.7.21377.19
7 Additions
3 Removals
System.Security
System.Security.Permissions
System.Xaml.Permissions