Chapter 1, Introducing C# 10.0 and .NET 6

1. Performance improvements in the garbage collector and JIT compiler, improved performance of text-based processing, faster regular expression processing, and performance of threading and asynchronous operations has been boosted. There have also been performance improvements to collections, LINQ, networking, and Blazor; plus, there are additional performance-based APIs and analyzers that are new to .NET 6.
2. You can now write top-level programs and use init-only properties and records. There are new pattern matching features and new expressions with targeted types. You can use covariant returns and perform native compilation.
3. dotnet and ngen.
4. Run the Microsoft Store app performance assessment. Follow Microsoft’s advice based on the assessment to improve your app’s performance, and address each of the highlighted issues found with your app.
5. Perform baseline measurements, begin optimizations by performing the refactoring...