📅 C# – Versions
📅 C# – Versions
Section titled “📅 C# – Versions”| Version | Year | Key Features |
|---|---|---|
| 1.0 | 2002 | Classes, structs, enums |
| 2.0 | 2005 | Generics, Nullable types |
| 3.0 | 2007 | LINQ, Lambdas, Auto-properties |
| 4.0 | 2010 | Dynamic, Named/Optional params |
| 5.0 | 2012 | async/await |
| 6.0 | 2015 | String interpolation, nameof, Null-conditional |
| 7.0 | 2017 | Tuples, Pattern matching |
| 7.1 | 2017 | async Main, default literal |
| 7.2 | 2017 | ref readonly, in parameters |
| 7.3 | 2018 | stackalloc in more places |
| 8.0 | 2019 | Switch expressions, Nullable Reference Types |
| 9.0 | 2020 | Records, Init-only, Top-level statements |
| 10.0 | 2021 | Global usings, File-scoped namespaces |
| 11.0 | 2022 | Required members, Raw string literals |
| 12.0 | 2023 | Primary constructors, Collection expressions |
| 13.0 | 2024 | Partial properties, field in property accessors |
Tip: Feature pages include before/after examples and pitfalls.