.NET Release Notes

.NET 8

Released November 2023
  • Performance improvements across the board
  • New C# 12 features like primary constructors and collections expressions
  • Enhanced ASP.NET Core for Blazor, minimal APIs, and performance
  • Native AOT improvements for smaller, faster executables
  • Updated libraries and SDKs
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.NET 7

Released November 2022
  • Unified .NET platform with a single SDK
  • Significant performance gains in JIT and runtime
  • Native AOT support for self-contained applications
  • HTTP/3 support in Kestrel
  • New minimal hosting model for ASP.NET Core
  • C# 11 features like raw string literals and file-local types
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.NET 6

Released November 2021
  • The first unified, cross-platform .NET release
  • Long-Term Support (LTS) release
  • Improved performance and productivity
  • C# 10 features like record structs and global usings
  • New minimal hosting model for ASP.NET Core
  • File I/O performance enhancements
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.NET 5

Released November 2020
  • Introduced a new versioning scheme
  • Performance improvements in JIT, GC, and base libraries
  • New C# 9 features like pattern matching and top-level statements
  • Updated .NET SDK and runtime
  • Improved support for containerization
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.NET Core 3.1 LTS

Released December 2019 (LTS)
  • Continued improvements to ASP.NET Core and Blazor
  • Support for Windows Forms and WPF on .NET Core
  • Performance optimizations
  • Updated C# 8 features
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.NET Core 3.0

Released September 2019
  • Significant updates to .NET Core for desktop applications
  • Support for Windows Forms and WPF
  • Introduction of Blazor WebAssembly
  • Performance enhancements
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