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

Microsoft will launch .NET 10 at its annual .NET virtual conference, .NET Conf, next week from November 11 to 13, 2025.

Microsoft Incident Response – Detection and Response Team (DART) researchers uncovered a new backdoor that is notable for its novel use of the OpenAI Assistants Application Programming Interface (API) ...

Please publish the final 9 -> 10 API diff. That would help for producing content for GA timeframe. It would be great if we could publish a complete 9 -> 10 API diff before GA and then same for 10 -> ...