//devdigest: “⚡️ Microsoft Releases .NET 11 Preview 5 Microsoft has unveiled the fif…”

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Post #2720 71 Jun 13, 2026, 13:03 UTC

⚡️ Microsoft Releases .NET 11 Preview 5

Microsoft has unveiled the fifth preview of the .NET 11 platform.

The release includes updates to the Runtime, SDK, ASP.NET Core, .NET MAUI, Entity Framework Core, and the C# language.

Among the key features are support for JSON Lines serialization in System.Text.Json, full outer join in LINQ, the X25519 key convention mechanism, union declarations in C#, and the MCP Server template in the dotnet new command.

Microsoft has also improved runtime performance, JIT compiler optimizations, and garbage collector performance.

Windows developers are encouraged to use Visual Studio 2026 Insiders to test the new version of the platform.

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Microsoft News .NET 11 Preview 5 is now available! Find out about the new features in .NET 11 Preview 5 across the .NET runtime, SDK, libraries, ASP.NET Core, .NET MAUI, C#, Entity Framework Core, and more!

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