2026-05-08 dotnetwebassemblyperformance Copilot Studio's .NET 10 WebAssembly upgrade: 20% cold path, 5% warm Microsoft moved Copilot Studio's WASM engine from .NET 8 to .NET 10. The dual JIT/AOT package, fingerprinting, and WasmStripILAfterAOT explain the numbers.
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.