<PackageReference Include="System.Security.Permissions" Version="5.0.0-preview.1.20120.5" />

API Differences between 5.0.0-preview.1.20120.5 and 9.0.1

34 Additions 8 Removals

System.DirectoryServices

System.Security

System.Security.Permissions

System.Security.Policy

System.Xaml.Permissions