2026-04-08 dotnetaspnetcoredotnet-11 Kestrel Drops Exceptions from Its HTTP/1.1 Parser in .NET 11 Kestrel's HTTP/1.1 request parser in .NET 11 replaces BadHttpRequestException with a result struct, cutting malformed-request overhead by up to 40%.
2026-04-05 dotnet-11blazorwebassembly dotnet new webworker: first-class Web Workers for Blazor in .NET 11 Preview 2 A new project template in .NET 11 Preview 2 scaffolds the JS plumbing, WebWorkerClient, and JSExport boilerplate needed to run .NET code in a browser Web Worker.