Debugging multi-threaded code can be extremely tough. While I've wished for a "Run everything single-threaded" button to use while debugging (We still don't have that) there has been new functionality added to VS 2022 that makes life a lot simpler (by far!) when trying to visualize just what is your multi-threaded app doing. 

This is some of the best new functionality I've seen added to Visual Studio in a long time: Parallel Stack Window Tips