PLINQO is an open source ORM designed to replace and enhance LINQ to SQL. Notable new 5.0 features include: Added Visual Studio 2010 and .NET 4 support. Updated QuickStart with latest Dynamic Data and DataServices. Added SQLCacheDependancy support. Added IQueryable cache extensions. Added Include extension for advanced eager loading. Improved AuditLog, now includes updates after SubmitChanges.