.NET 9 comes packed with new features and improvements for web developers. This presentation will provide a comprehensive overview of the most exciting new features in .NET 9 that are relevant to web development, including ASP.NET Core, Blazor, .NET Aspire, and APIs. Learn how to dramatically boost performance with the new static asset delivery optimization in ASP.NET Core 9.0. Discover Blazor enhancements including the .NET MAUI Blazor Hybrid and Web App solution template for seamless integration across platforms, improved server-side reconnection, and simplified authentication state serialization. Explore Minimal APIs with new TypedResults methods and enhanced route group support for ProducesProblem and ProducesValidationProblem. Gain insights into built-in support for OpenAPI document generation to create comprehensive API documentation effortlessly. And, of course, you'll see how .NET Aspire ties it all together.