<PackageReference Include="System.Security.Permissions" Version="4.5.0-preview2-26406-04" />

API Differences between 4.5.0-preview2-26406-04 and 9.0.0-rc.1.24431.7

27 Additions 21 Removals

System.Configuration

System.DirectoryServices

System.Security.Permissions

System.Security.Policy

System.Web