Blog

Mert Özen's blog posts on software development, backend, frontend, and DevOps.

Series

.NET Core Web API 36 C# Fundamentals 20 Object-Oriented Programming in C# 16 C# Collections and Generics 11 LINQ 17 Asynchronous Programming in C# 17 Advanced C# 14 C# Versions 6

2 posts found #langversion

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Backend PART 06

Upgrading C# and .NET: Moving an Old Project to .NET 10

Moving a .NET 6 project to .NET 10: the support calendar, how LangVersion relates to the TFM and the latest trap, pinning the SDK with global.json, reading the real CS8981 and CS9258 warnings, the silent behavior change of the field keyword and reading breaking-change pages; C# 15 gets its own post.

7 Nov 2026 10 min 17

Backend PART 01

C# Versions: A Short History from 1.0 to 10

The signature features, release dates and .NET pairings of every version from C# 1.0 to C# 10; compiling the same code with different LangVersion values to see how the compiler tells you which feature came from which version.

7 Nov 2026 13 min 20