Jon will walk through the latest features in .NET 9 to make your iOS and Android apps smaller and faster. Can you use System.Reflection? It depends! Jon will walk through the details in making your code NativeAOT and fully-trim compatible, showing the improvements to app size and startup time. This session will also be useful for NuGet package authors that want to ship libraries that can be fully optimized for mobile or self-contained deployments.

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.NET Blog

Jonathan Peppers discusses performance optimizations using NativeAOT and trimming in .NET MAUI. He explains the concepts of trimming, NativeAOT, and their importance in reducing application size and improving startup times. The post includes practical examples of how to implement these features, reduce trimmer warnings, and improve app performance. Key improvements in .NET 9 make trimmer warnings zero and enable NativeAOT for macOS, iOS, and Windows, though it's not yet available on Android.

.NET MAUI Performance Optimizations with NativeAOT and Trimming