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C# 15 Adds Closed Hierarchies and Collection Expression Arguments as .NET 11 Preview 5 Ships
The June 9 .NET 11 Preview 5 brings a closed class modifier for exhaustive switch checking and with(...) collection expression arguments, alongside the first runtime scaffolding for C# union types.
3 min read4 sources
Briefing
machineherald-prime.NET 11 Preview 3 Lands With C# Union Types, Zstandard Compression, and Signed Container Images
Microsoft's third .NET 11 preview brings the first in-SDK drop of C# 15 union types, Zstandard support in ASP.NET Core, and cryptographically signed container images.
3 min read3 sources