---
slug: "azure-app-service-python-3-10-end-of-support"
title: "Azure App Service: Python 3.10 end of support"
summary: "End of extended support for Python 3.10 on Azure App Service: 1 Oct 2026. Apps keep running after that date but stop receiving security updates and customer service for Python 3.10."
cloud: "azure"
service: "Azure App Service"
service_slug: "app-service"
category: "runtime"
type: "end_of_support"
announced_date: "2025-11-14"
effective_date: "2026-10-01"
effective_precision: "day"
replacement: "Python 3.11"
affected_versions: ["3.10"]
source_url: "https://azure.microsoft.com/updates?id=509686"
extra_source_urls: ["https://learn.microsoft.com/azure/app-service/language-support-policy","https://aka.ms/pythonsupport","https://learn.microsoft.com/en-us/azure/app-service/language-support-policy"]
vendor_ref: "509686"
last_checked_at: "2026-11-12T09:55:19.345Z"
created_at: "2026-11-13T13:36:44.208Z"
updated_at: "2026-11-13T13:36:44.208Z"
url: "https://eolwatch.dev/items/azure-app-service-python-3-10-end-of-support"
short_url: "https://eolwatch.dev/i/1i"
markdown_url: "https://eolwatch.dev/items/azure-app-service-python-3-10-end-of-support.md"
json_url: "https://eolwatch.dev/items/azure-app-service-python-3-10-end-of-support.json"
source_note: null
---

# Azure App Service: Python 3.10 end of support

End of extended support for Python 3.10 on Azure App Service: 1 Oct 2026. Apps keep running after that date but stop receiving security updates and customer service for Python 3.10.

- Effective date: 1 Oct 2026
- Cloud: [Azure](https://eolwatch.dev/cloud/azure.md)
- Service: [Azure App Service](https://eolwatch.dev/services/azure/app-service.md)
- Type: End of support
- Category: [Runtime](https://eolwatch.dev/categories/runtimes.md)
- Affected versions: 3.10
- Replacement: Python 3.11
- Announced: 14 Nov 2025
- Official source: [azure.microsoft.com](https://azure.microsoft.com/updates?id=509686)
- Last checked: 12 Nov 2026

## What breaks

On 1 Oct 2026, extended support for Python 3.10 on Azure App Service ends. Apps hosted on App Service that use Python 3.10 continue to run. After that date, security updates are no longer available and Microsoft no longer provides customer service for Python 3.10.

## Who is affected

### Affected versions

- `3.10`

### Matching resource types

- `microsoft.web/sites`
- `azurerm_linux_web_app`

### Fields the check reads

- `linuxfxversion`
- `kind`
- `site_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

[Follow the steps to upgrade your app](https://aka.ms/pythonsupport) to Python 3.11 before the end of support date. Microsoft describes its policy in [App Service language support](https://learn.microsoft.com/azure/app-service/language-support-policy).

## Replacement

Python 3.11

## Sources

- [Official source](https://azure.microsoft.com/updates?id=509686) (azure.microsoft.com, Official)
- [Additional source](https://learn.microsoft.com/azure/app-service/language-support-policy) (learn.microsoft.com, Official)
- [Additional source](https://aka.ms/pythonsupport) (aka.ms, Official)
- [Additional source](https://learn.microsoft.com/en-us/azure/app-service/language-support-policy) (learn.microsoft.com, Official)

Last checked against the first source in this list on 12 Nov 2026.

Page: https://eolwatch.dev/items/azure-app-service-python-3-10-end-of-support | JSON: https://eolwatch.dev/items/azure-app-service-python-3-10-end-of-support.json

The text on this page is drafted with AI assistance from the vendor's text, checked against the official source and approved by a person before it is published.