Microsoft .NET | InfoWorld

End of support looms for .NET 8 and .NET 9

Microsoft will no longer provide servicing updates, security fixes, or technical support for .NET 8 and .NET 9 after November 10, 2026.

By Paul Krill

Jul 1, 20262 mins

Libraries and FrameworksMicrosoft .NETSoftware Development

Microsoft issues out-of-band patch for critical security flaw in update to ASP.NET Core

By John E. Dunn

Apr 22, 20264 mins

Development ToolsLibraries and FrameworksMicrosoft .NET

Articles

GitHub Copilot SDK allows developers to build Copilot agents into apps

Available in a technical preview, the SDK for Node.js, Python, Go, and .NET provides programmatic access to the agentic power of the Copilot CLI.

By Paul Krill

Jan 23, 2026 2 mins

GolangMicrosoft .NETPython

A first look at XAML Studio 2.0

Microsoft has open sourced a tool to help build XAML user interfaces in .NET. How does the GitHub-hosted project shape up?

By Simon Bisson

Jan 20, 2026 8 mins

Development ToolsLibraries and FrameworksMicrosoft .NET

Microsoft deprecates IntelliCode for Visual Studio Code

Microsoft recommends that C# developers use GitHub Copilot Chat for code suggestions and inline completions instead.

By Paul Krill

Dec 16, 2025 2 mins

C#Generative AIMicrosoft .NET

F# 10 features scoped warning suppression

Microsoft language F# 10 includes long-sought #warnon and #nowarn directives to enable and disable warnings, among other improvements.

By Paul Krill

Nov 20, 2025 3 mins

C#Libraries and FrameworksMicrosoft .NET

C# 14 touted for extension properties declaration

Productivity and performance enhancements also detailed in latest release of the .NET programming language.

By Paul Krill

Nov 18, 2025 3 mins

C#Libraries and FrameworksMicrosoft .NET

Aspire 13 bolsters Python, JavaScript support

Distributed app platform also introduces the 'aspire do' command for parallelized builds and deployments and an Aspire MCP server for AI devops.

By Paul Krill

Nov 17, 2025 3 mins

JavaScriptMicrosoft .NETPython

Microsoft releases “AI-native” Visual Studio 2026

Touted as an “AI-native intelligent development environment,” Visual Studio 2026 features performance and user experience improvements in addition to AI-powered debugging, profiling, and more.

By Paul Krill

Nov 12, 2025 2 mins

C#Integrated Development EnvironmentsVisual Studio

Microsoft’s .NET 10 arrives with AI, runtime, and language improvements

Application platform update brings enhancements for AI agent development, cryptography, runtime performance, and the C# and F# programming languages.

By Paul Krill

Nov 11, 2025 4 mins

C#Libraries and FrameworksMicrosoft .NET

Microsoft steers Aspire to a polyglot future

Microsoft’s cloud-native, distributed application development tool kit drops .NET from its name and embraces, well, everything.

By Simon Bisson

Nov 6, 2025 8 mins

C#Cloud-NativeMicrosoft .NET

AI and machine learning outside of Python

Python might be the default for most AI and machine learning development, but what about other popular languages? Here’s what you need to know about using Java, Rust, Go, or C#/.Net for AI/ML.

By Serdar Yegulalp

Nov 5, 2025 7 mins

C#GolangJava