.NET 10 is out today. Here are the top updates 👇 𝗖# 𝟭𝟰 • Extension Members • Null-Conditional Assignment • The Field Keyword • Lambda Parameters with Modifiers • Partial Constructors and Events 𝗙𝗶𝗹𝗲-𝗕𝗮𝘀𝗲𝗱 𝗔𝗽𝗽𝘀: • Starting with .NET 10, you can create a single *.cs file and run it directly, without solution file (sln) and project file (csproj). 𝗔𝗦𝗣.𝗡𝗘𝗧 𝗖𝗼𝗿𝗲 • Validation Support in Minimal APIs • JSON Patch Support in Minimal APIs • Server-Sent Events (SSE) • OpenAPI 3.1 Support 𝗘𝗙 𝗖𝗼𝗿𝗲 • Optional Complex Types • JSON and struct Support for Complex Types • LeftJoin and RightJoin Operators • Named Query Filters • ExecuteUpdate for JSON Columns • Regular Lambdas in ExecuteUpdate .𝗡𝗘𝗧 𝗔𝘀𝗽𝗶𝗿𝗲 • Aspire 9.5 adds targeted CLI • File-based AppHost support • Generative AI visualizer • Trace detail improvements • OpenAI hosting integration • Azure Emulators support 𝗕𝗹𝗮𝘇𝗼𝗿 • Hot Reload for Blazor WebAssembly and .NET on WebAssembly • Environment configuration in standalone Blazor WebAssembly apps • Performance profiling and diagnostic counters for Blazor WebAssembly • NotFoundPage parameter for the Blazor router • Static asset preloading in Blazor Web Apps • Improved form validation 𝗟𝗶𝗯𝗿𝗮𝗿𝗶𝗲𝘀 • New APIs in cryptography, globalization, numerics, serialization, collections, and diagnostics, and when working with ZIP files • New JSON serialization options 𝗥𝘂𝗻𝘁𝗶𝗺𝗲 • Improvements in JIT inlining, method devirtualization, and stack allocations. • AVX10.2 support • NativeAOT enhancements • Improved code generation for struct arguments, and enhanced loop inversion for better optimization. Get my free .NET Backend Developer roadmap 👇 antondevtips.com/roadmap/dot… —— ♻️ Repost to help others learn about .NET 10 ➕ Follow me ( @AntonMartyniuk ) to improve your .NET Skills

𝟮𝟬 𝗳𝗿𝗲𝗲 𝗯𝗲𝘀𝘁 𝗿𝗲𝘀𝗼𝘂𝗿𝗰𝗲𝘀 𝘁𝗼 𝗹𝗲𝗮𝗿𝗻 𝗔𝗦𝗣 .𝗡𝗘𝗧 𝗖𝗼𝗿𝗲 1. How to replace Exceptions with Result Pattern: ↳ antondevtips.com/blog/how-to… 2. How to log API requests and responses: ↳ antondevtips.com/blog/loggin… 3. How to Implement Refresh Tokens and Token Revocation: ↳ antondevtips.com/blog/how-to… 4. How to Create and Convert PDF Documents: ↳ antondevtips.com/blog/how-to… 5. How to create custom Middlewares: ↳ antondevtips.com/blog/how-to… 6. Real-Time Server-Sent Events in ASP .NET Core and .NET 10: ↳ antondevtips.com/blog/real-t… 7. Authentication and authorization best practices: ↳ antondevtips.com/blog/authen… 8. The best way to map objects: ↳ antondevtips.com/blog/the-be… 9. The best way to validate objects: ↳ antondevtips.com/blog/the-be… 10. Options Pattern: ↳ antondevtips.com/blog/master… 11. How to increase the performance of Web APIs: ↳ antondevtips.com/blog/how-to… 12. Top 15 mistakes developers make when creating Web APIs: ↳ antondevtips.com/blog/top-15… 13. How to implement caching: ↳ antondevtips.com/blog/how-to… 14. Getting started with FastEndpoints: ↳ antondevtips.com/blog/gettin… 15. How to deploy .NET Apps to Azure with .NET Aspire: ↳ antondevtips.com/blog/how-to… 16. Top 15 mistakes developers make in .NET: ↳ antondevtips.com/blog/top-15… 17. Best practices to increasing code quality: ↳ antondevtips.com/blog/best-p… 18. Building a multi-tenant application: ↳ antondevtips.com/blog/how-to… 19. Structure your projects with Vertical Slices: ↳ antondevtips.com/blog/vertic… 20. Structure your projects with Clean Architecture and Vertical Slices: ↳ antondevtips.com/blog/the-be… 📌 Download my 2025 Roadmap with high-quality resources for every topic: ↳ antondevtips.com/roadmap/asp… — ♻️ Repost to help your network ➕ Follow me (@AntonMartyniuk) for more #dotnet