Retirement: Support for .NET 8 and .NET 9 ends on November 10, 2026—upgrade your apps to .NET 10
Azure Updates published “Retirement: Support for .NET 8 and .NET 9 ends on November 10, 2026—upgrade your apps to .NET 10” on 2026-09-23. Here is what it covers and why it matters for Azure developers.
What was announced From the source
Azure Updates published “Retirement: Support for .NET 8 and .NET 9 ends on November 10, 2026—upgrade your apps to .NET 10” on 2026-09-23.
The publisher summarises it as: “Support for .NET 8 and .NET 9 will end on November 10, 2026. Please transition to .NET 10 by that date. Your Azure Function Apps will continue to operate, but security updates will no longer be provided, and support for…”
- Topic: Compute
- Topic: Containers
- Topic: Internet of Things
- Topic: Azure Functions
- Topic: Retirements
- Topic: Compliance
- Topic: Security
At a glance · Azure
What was announcedWhy it mattersWho should careWhat to do next
Why it matters Analysis
Azure service changes can affect how .NET applications are hosted, scaled and connected to data and AI services. Knowing about previews, general availability and SDK updates helps teams plan adoption and avoid surprises in production.
This is a retirement notice. Workloads that depend on the affected service, feature or runtime version need a migration plan before the retirement date given in the official notice.
Who should care Analysis
- .NET developers deploying to Azure
- Cloud architects and platform engineers
- Teams using the Azure SDK for .NET
What to do next Analysis
- Read the full post on Azure Updates for details, code samples and documentation links.
- Check whether a preview feature is suitable for production workloads.
- Update Azure SDK packages and test in a non-production subscription first.
Sources and further reading
- Original post on Azure Updates (original source)
Original: “Retirement: Support for .NET 8 and .NET 9 ends on November 10, 2026—upgrade your apps to .NET 10”, Azure Updates, published 23 Sep 2026, retrieved 16 Oct 2026. This article was generated from the official source using our structured templates and passed automated quality checks. Spotted a mistake? See our corrections policy.