Marten V4: Hard Deletes, Soft Deletes, Un-Deletes, All the Deletes You Meet

If you haven't seen this yet, Marten V4.0 officially dropped on Nuget late last week (finally). V4 was a huge release for Marten and there's lots to talk about in the new release, but I want to start simply with just talking about Marten's support for deleting documents.