What's new in C#

From the creator

Union types are coming to C#! Unions model closed sets of data shapes, as commonly seen in e.g. wire protocols. Mads and Dustin explore the clean expression of intent and the confidence and elegance that unions lend to consuming code. We'll also take a look at other upcoming C# features, such as closed classes and extension indexers. Connect with .NET: Blog: https://aka.ms/dotnet/blog Twitter: https://aka.ms/dotnet/twitter TikTok: https://aka.ms/dotnet/tiktok Mastodon: https://aka.ms/dotnet/mastodon LinkedIn: https://aka.ms/dotnet/linkedin Facebook: https://aka.ms/dotnet/facebook Docs: https://learn.microsoft.com/dotnet Forums: https://aka.ms/dotnet/forums 🙋‍♀️Q&A: https://aka.ms/dotnet-qa 👨‍🎓Microsoft Learn: https://aka.ms/learndotnet #dotnet

Published 2026-11-12 · Watch on YouTube ↗
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