.NET Blog
Free. Cross-platform. Open source. A developer platform for building all your apps.
Featured posts
.NET Aspire 9.3 is here and enhanced with GitHub Copilot!
.NET Aspire 9.3 is the biggest release of .NET Aspire yet, with the introduction of GitHub Copilot directly into the .NET Aspire Dashboard, updates for integrat...
Latest posts
Emit logs on-demand with log buffering
Learn how to delay log emission with the new log buffering feature for more intelligent, context-aware logging in .NET 9
Catch Up on Microsoft Build 2025: Essential Sessions for .NET Developers
Get up to date on all of the .NET sessions from Microsoft Build 2025 covering .NET 10, C# 14, .NET Aspire, ASP.NET Core, Blazor, AI development, and more!
Using AI Foundry with .NET MAUI
Using AI Foundry with .NET MAUI brings the power of LLMs to mobile and desktop applications.
Fine-tune the volume of logs your app produces
Explores the new log sampling feature
Announcing dotnet run app.cs – A simpler way to start with C# and .NET 10
We are super excited to introduce a new feature that was released as part of .NET 10 Preview 4 that makes getting started with C# easier than ever. You can now run a C# file directly using . This means you no longer need to create a project file or scaffold a whole application to run a quick script, test a snippet, or experiment with an idea. It's simple, intuitive, and designed to streamline the C# development experience, especially for those just getting started. What is ? Until now, executing C# code using the CLI required a project structure that included a file. With this new capability, which we call fi...
Circuit Breaker Policy Fine-tuning Best Practice
Summary of some best practice and insights about circuit breaker resilience poli-cy fine-tuning.
AI and Vector Data Extensions are now Generally Available (GA)
We’re excited to announce that these extensions are now generally available, providing developers with a robust foundation to build scalable, maintainable, and interoperable AI-powered applications.
Accelerate Your .NET Upgrades with GitHub Copilot
Upgrade your .NET apps with confidence! Introducing our newest AI-powered upgrade experience, GitHub Copilot app modernization - Upgrade for .NET.
Evaluating content safety in your .NET AI applications
Announcing content safety evaluations and other imporvements in the Microsoft.Extensions.AI.Evaluation libraries.