For all my readers of Professional C# 7 and .NET Core 2 I’ve uploaded the new bonus chapter 6 with C# 8 updates! This bonus chapter covers these C# 8 features:
- Nullable reference types
- Using declaration
- Readonly members
- Default interface members
- Async streams
- Switch expressions and pattern matching enhancements
- Indices and ranges
If you bought a copy of Professional C# 7 and .NET Core 2, you are free to download the new bonus chapter. If you didn’t buy the book yet it would be nice if you either buy the book or support me by buying one or more coffees – thanks!

When is your next book coming up?
Any hints?
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Hi Siva,
I already submitted all chapters, 26 of the 31 chapters already moved to the production phase. I think it will be available at an earlier date than shown here:
https://www.wiley.com/en-us/Professional+C%23+and+NET%2C+2021+Edition-p-9781119797203
The book is the reason why the blog is so quite – articles are coming as soon as I made the final corrections in the book.
All the best,
Christian
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