ASP.NET Core in .NET 10: Major Updates Across Blazor, APIs, and OpenAPI

.NET 10 brings major updates to ASP.NET Core, including extensive Blazor enhancements (security samples, client-side fingerprinting, QuickGrid updates, improved routing), built-in validation for Minimal APIs, Server-Sent Events support, full OpenAPI 3.1 compatibility with improved schema generation, new authentication metrics, WebAuthn passkey support in Identity, Kestrel improvements, and a System.Text.Json-based JSON Patch implementation. The release also includes Hot Reload improvements, circuit state persistence, and expanded diagnostics capabilities.