If you find any mistakes in the ninth edition, C# 13 and .NET 9 - Modern Cross-Platform Development Fundamentals, or if you have suggestions for improvements, then please raise an issue in this repository or email me at markjprice (at) gmail.com.
Errata (6 items): Typos, tool user interface and behavior changes, or mistakes in code that would cause a compilation error that prevents a successful build.
Improvements (7 items): Changes to text or code that would improve the content. These are optional.
Common Mistakes (7 items): These are some of the most common mistakes that a reader might encounter when trying to get code in book tasks to work, or when trying to write your own code.
All errata and improvements will be included in the 10th edition planned for publishing in November 2025. To be included they must be submitted by mid-September 2025.