.NET 9 is Officially Out Today: Unpacking the Top Updates Across 8 Key Areas! 🎉

.NET 9 introduces numerous features and enhancements across C# 13, ASP.NET Core, Entity Framework Core, and more. C# 13 brings enhanced language capabilities, including params collections, improved lock types, implicit index access, and a new escape character. ASP.NET Core offers performance and security boosts with OpenAPI enhancements, faster asset delivery, PAR support, and a HybridCache library. Entity Framework Core optimizes data handling with improved Cosmos DB support, pre-compiled AOT queries, streamlined migrations, and enhanced LINQ. The .NET runtime provides high-performance and scalable execution with feature switches, control-flow enforcement, and dynamic adaptation. Libraries offer flexible and secure components, including Base64Url support, new TimeSpan overloads, enhanced collections, and cryptography upgrades. The SDK provides productivity and testing features, such as running tests in parallel, a new terminal logger, workload sets, and additional analyzers. .NET Aspire enhances the DevOps and build experience with an MSBuild SDK, improved dashboard, telemetry updates, and dependency-wait support. .NET MAUI offers mobile and cross-platform enhancements, including native AOT deployment, embedding APIs, full trimming, and new controls. Overall, .NET 9 brings improved performance, enhanced security, developer-friendly features, and cross-platform power.