.NET 11 Preview Released: C# 15 Union Types and MAUI CoreCLR
unixterminal · x · 2026-08-27
.NET Conf 2026 is scheduled for November 10-12, marking the launch of .NET 11. The latest previews include updates across the runtime, libraries, SDK, and ASP.NET Core.
Key Highlights:
- C15: Introduces Union Types.
- .NET MAUI: Moves to CoreCLR for Android, iOS, and Mac Catalyst.
- ASP.NET Core & Blazor: Features richer static SSR, form validation, smaller WebAssembly app size, and a new dev server.
- Minimal APIs: Adds async validation and Cunion type support, with OpenAPI 3.2 as the default.
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