Async synchronization primitives, async collections, TPL and dataflow extensions. The JoinableTaskFactory allows synchronously blocking the UI thread for async work. This package is applicable to any .NET application (not just Visual Studio).
Adds a concept of thread safety to C# and VB so that most threading defects are detected at build-time or in a single-threaded test coverage.
Includes a deadlock detection policy and thread dispatching aspects. An official PostSharp pattern library.