My first Udemy course https://www.udemy.com/what-is-new-in-csharp-6 covers new features of C# 6. Taking this course you learn:
- Auto-property initializers
 - Getter-only auto-properties
 - Expression-bodied members
 - Using static
 - Null-conditional operators
 - String interpolation
 - nameof expressions
 - Index initializers
 - Exception filters
 - Await in catch and finally blocks