Feedback Update Unity's Roslyn with the new DiagnosticSuppressor API

Since Unity moved over to Roslyn we had to deal with the extremely annoying C0649 C# compiler warning for [SerializedField] fields which are not initialized in code. This wasn't a bug of course, but an annoyance which we could either suppress project wise or via a #prama tags,
Recently the Roslyn team pushed an update that addressed this issue and we would like Unity to kindly provide an update and a timeline when we can expect to see this fully integrated into Unity. The sooner the better.