nodiscard, to offer more helpful compiler errors.
Other changes and enhancements in Visual Studio 16.9 Preview 3:
MVVM (Model-View-ViewModel) tools have been expanded for XAML. Lightbulbs have been introduced to generate commands and new view models.
For .NET productivity, IntelliSense has been improved to highlight completion for preprocessor symbols. Also, Solution Explorer will now display .NET 5.0 C# Source Generators underneath the Analyzer node. This will allow for easy navigation and viewing of generated code.
Also for IntelliSense, improvements have been made to the functionality and stability of providing imported modules and header units. Also, Go-To-Definition can be highlighted on module imports.
With Address Sanitizer (ASan) for Windows, the IDE integration for ASan-reported exceptions now handles the full collection of reportable exceptions.