--- title: .NET at Microsoft Build 2026: Must watch sessions description: Microsoft Build 2026 wrapped up with major .NET announcements. Key highlights include union types finally landing in C#, .NET 11 runtime and SDK improvements... canonical: https://daily.dev/posts/net-at-microsoft-build-2026-must-watch-sessions-b7xolfmoy twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: .NET at Microsoft Build 2026: Must watch sessions | daily.dev og:description: Microsoft Build 2026 wrapped up with major .NET announcements. Key highlights include union types finally landing in C#, .NET 11 runtime and SDK improvements... og:url: https://daily.dev/posts/net-at-microsoft-build-2026-must-watch-sessions-b7xolfmoy og:image: https://api.daily.dev/og/posts/B7XOlFMoY.png og:image:alt: .NET at Microsoft Build 2026: Must watch sessions og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # .NET at Microsoft Build 2026: Must watch sessions **[.NET Blog](https://daily.dev/sources/dotnet)** · 5 min read · 4 upvotes · 0 comments ## Summary Microsoft Build 2026 wrapped up with major .NET announcements. Key highlights include union types finally landing in C#, .NET 11 runtime and SDK improvements focused on the AI era, AI building blocks for C# apps, agentic web capabilities in ASP.NET Core and Blazor, on-device AI with .NET MAUI, and a new dotnetup tool for simplified SDK management. Related sessions cover GitHub Copilot agents in Visual Studio, .NET Aspire for distributed apps, multi-agent systems with Microsoft Foundry, and app modernization strategies. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [.NET Conf 2026](https://daily.dev/posts/net-conf-2026-lptflqe14) · .NET Blog · 1 upvotes · 0 comments - [Microsoft Releases .NET 11 Preview 3 with Updates Across Runtime, SDK, MAUI, and ASP.NET Core](https://daily.dev/posts/microsoft-releases-net-11-preview-3-with-updates-across-runtime-sdk-maui-and-asp-net-core-4tyjhbtqm) · InfoQ · 5 upvotes · 1 comments --- Tags: [#.net](https://daily.dev/tags/.net), [#ai-agents](https://daily.dev/tags/ai-agents), [#c#](https://daily.dev/tags/c#), [#aspnetcore](https://daily.dev/tags/aspnetcore), [#.net-maui](https://daily.dev/tags/.net-maui) [View this post on daily.dev](https://daily.dev/posts/net-at-microsoft-build-2026-must-watch-sessions-b7xolfmoy) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":".NET at Microsoft Build 2026: Must watch sessions","url":"https://daily.dev/posts/net-at-microsoft-build-2026-must-watch-sessions-b7xolfmoy","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/net-at-microsoft-build-2026-must-watch-sessions-b7xolfmoy"},"datePublished":"2026-06-08T17:18:43.706Z","dateModified":"2026-06-18T21:23:25.758Z","description":"Microsoft Build 2026 wrapped up with major .NET announcements. 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