### Description - [x] Add a section to What's new covering [Problem and ValidationProblem result types support construction with IEnumerable<KeyValuePair<string, object?>> values](https://github.com/dotnet/AspNetCore.Docs/issues/33031#issuecomment-2274516260) - [x] Create an issue for updating the permanent documentation, and then do that : ***DONE in*** #33328 - [x] Hook up include to WN9 - [x] #33328 ### Page URL https://learn.microsoft.com/en-us/aspnet/core/release-notes/aspnetcore-9.0?view=aspnetcore-8.0 ### Content source URL https://github.com/dotnet/AspNetCore.Docs/blob/main/aspnetcore/release-notes/aspnetcore-9.0.md ### Document ID 4e75ad25-2c3f-b28e-6a91-ac79a9c683b6 ### Article author @Rick-Anderson --- [Associated WorkItem - 295445](https://dev.azure.com/msft-skilling/Content/_workitems/edit/295445)