Copilot Studio gets faster with .NET 10 on WebAssembly

A few months ago, we shared How Copilot Studio uses .NET and WebAssembly for performance and innovation, describing how Microsoft Copilot Studio runs C# in the browser via .NET WebAssembly (WASM) and the gains the team measured after moving from .NET 6 to .NET 8. Since then, the Copilot Studio team has upgraded their .NET WASM engine to .NET 10. This post is a quick look at how the upgrade went and what it delivered. A smooth upgrade Moving an existing .NET 8 WASM application to .NET 10 is largely a matter of updating the target framework in the .