Entity Framework v4 CTP5 added some new nice features since CTP4, for example the DbSet
I hit the wall with one in particular. It’s entity splitting together with TPH inheritance. If you try to map it, you’ll get
Entity splitting cannot be specified for type '<entity type>' since it is part of an inheritance hierarchy.. Bummer. So one of the projects I’m working on now, is stuck in CTP4. 😃
On the other hand, the good news (from reliable source 😉) is, that in RTM this will be working fine.