AzureEnd of support
Azure Functions: Python 3.10 end of support
End of support date for Python 3.10 on Azure Functions: 1 Oct 2026. Apps keep running after that date but stop receiving security updates, performance optimizations and customer service.
Support ended , 1 Oct 2026
What breaks
Support for Python 3.10 in Azure Functions ends on 1 Oct 2026, in alignment with the end of community support. Apps hosted on Functions continue to run, but security updates and performance optimizations are no longer available. Microsoft no longer provides customer service for Python 3.10.
Who is affected
Affected versions
3.10
Matching resource types
microsoft.web/sitesazurerm_linux_function_app
Fields the check reads
linuxfxversionkindsite_config.application_stack.python_version
Detected by the estate check from
- Azure Resource Graph export (CSV or JSON)
- Terraform state or plan (JSON)
- ARM template
What to do
By the end of support date, upgrade function apps to Python 3.13 following the steps in Update the stack configuration. The support policy is described in Azure Functions stack version support.
Replacement
Python 3.13
Sources
- Official sourceazure.microsoft.comOfficial
- Additional sourcelearn.microsoft.comOfficial
- Additional sourcelearn.microsoft.comOfficial
Last checked against the first source in this list on .
Related
- , 14 Sep 2026Azure Functions: runtime version 1.x end of supportSource
- , 30 Sep 2026Azure Functions: runtime v3 on Linux Consumption retirementSource
- , 10 Nov 2026Azure Functions: .NET 8 and .NET 9 end of supportSource
- , 10 Nov 2026Azure Functions: .NET in-process model end of supportSource
- , 10 Nov 2026Azure Functions: PowerShell 7.4 end of supportSource
- , 30 Apr 2027Azure Functions: Node.js 22 end of supportSource
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