Deprecation
Retirement: Support for Python 3.10 ends on October 1, 2026 – upgrade your Azure Functions apps to Python 3.13
In alignment with the end of community support, on October 1, 2026, support for Python 3.10 in Azure Functions will end. Your apps that are hosted on Functions will continue to run, but security updates and performance optimizations will no longer be available and we'll no longer provide customer service for Python 3.10. Learn more about Azure Functions stack version support.
Required action
To avoid potential security vulnerabilities and take advantage of the latest features, follow the steps to upgrade your Functions apps to Python 3.13 by 1 October 2026.
Help and support
If you have questions, get answers from community experts in Microsoft Q&A. If you have a support plan and you need technical help, open the Azure portal and select the question mark icon at the top of the page.
Read the original announcement