What happened to AddOrUpdate in EF 7 / Core?

Question

I\'m writing a seed method using EntityFramework.Core 7.0.0-rc1-final.

What happened to the AddOrUpdate method of DbSet?

Answer 1

It's waiting to be implemented. See issues #629 & #4526.

Update: according to comments below (unverified) - this feature is finally slated for release in .NET Core 2.1!