This document introduces Blazor Hybrid and provides an overview of its key features: 1. Blazor Hybrid allows developers to create multi-platform applications that can run on web, iOS, Android, macOS and Windows using .NET MAUI. 2. It works with Blazor to build solutions containing both web and mobile applications that can share common code components. 3. Applications for macOS created with .NET MAUI and Blazor Hybrid use Mac Catalyst to compile the iOS app with UIKit and extend it with additional platform APIs for the desktop environment.