Support for .NET 9 (STS) ends November 10, 2026 on Azure App Service
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deprecation
Azure App Service will end support for .NET 9 (STS) on November 10, 2026. After this date, apps will continue to run but will no longer receive security updates or customer service. To mitigate potential security risks, users must upgrade their apps to .NET 10 (LTS) before the end-of-support date.
- →End of support for .NET 9 (STS) on Azure App Service
- →Action required: Upgrade to .NET 10 (LTS)
Deprecations (2) ›
- End of support for .NET 9 (STS) on Azure App Service
Support for .NET 9 (STS) on Azure App Service will end on November 10, 2026. After this date, applications will continue to run but will not receive security updates or customer service.
- Action required: Upgrade to .NET 10 (LTS)
To avoid potential security vulnerabilities and minimize risk, users are required to upgrade their App Service apps to .NET 10 (LTS) before November 10, 2026.
Read the original announcement →
https://azure.microsoft.com/en-us/updates/?id=485077
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