.NET 11 Ships with C# 15 Unions, Faster Tools and CoreCLR for MAUI
News .NET 11 Ships with C# 15 Unions, Faster Tools and CoreCLR for MAUI By David Ramel 11/10/2026 Key Takeaways .NET 11 ships with C# 15 unions, faster tooling and broad runtime improvements. ASP.NET Core adds asynchronous validation, while MAUI …