.NET 11 reaches general availability in Azure Functions
✅ Azure Functions now supports . NET 11 in the isolated worker model for C# applications. F# support is temporarily unavailable.
The new Azure.Functions.Sdk project SDK simplifies build integration, while applications retain the worker-runtime package and their trigger and binding extensions.
Custom-container images use chiseled Linux images without a shell or SSH server. The announcement also confirms that in-process model support ended on November 10, 2026. Linux Consumption does not support .
NET 10 or later, so its migration guidance points to Flex Consumption before a framework upgrade. Microsoft distinguishes build-SDK migration from retargeting and testing an application on . NET 11.
Partner briefing
- What it is
. NET 11 is generally available for Azure Functions C# isolated-worker apps.
- What’s changing
Azure.Functions.Sdk provides build integration; . NET 11 container images are chiseled and F# is temporarily unavailable.
- Why it matters
Hosting and programming-model restrictions affect the upgrade path, including Linux Consumption and the now-unsupported in-process model.
- Who it affects
Developers and partners building or modernizing Azure Functions applications.