ReleaseBytes

Azure key dates

Every dated Azure change that forces action, in one place: end-of-life and end-of-support deadlines, plus announced pricing changes, configuration-default changes, retirements and policy mandates that impact your stack and costs. What's changing, when, and how long you have. For day-to-day announcements, see the Azure release feed.

Want these dates as email or Slack alerts at 90, 30 and 7 days out? Set up an EOL alert with the eol tag.

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Dated changes (10)

Announced changes with an explicit effective date: pricing, defaults, retirements and policy mandates that existing workloads must plan around. Every date shown has been checked against the original announcement, which each row links to.

  1. 30 Sept 2026
    Retirement Azure Functions Azure Functions runtime v3 on Linux Consumption to be retired Sep 30, 2026 source ↗

    Azure Functions runtime v3 on Linux Consumption retired Sep 30, 2026. Migrate to a supported runtime.

    2 days
  2. 30 Sept 2026
    Retirement Azure Functions Retirement: Azure Functions runtime v3 on Linux Consumption will stop running September 30, 2026 source ↗

    Azure Functions runtime v3 on Linux Consumption will stop running. Migrate apps to runtime v4 by Sept 30, 2026.

    2 days
  3. 1 Oct 2026
    EOL Azure Functions Retirement: Support for Python 3.10 ends on October 1, 2026 – upgrade your Azure Functions apps to Python 3.13 source ↗

    Support for Python 3.10 in Azure Functions ends. Upgrade your Functions apps to Python 3.13.

    3 days
  4. 10 Nov 2026
    EOL Azure Functions Azure Functions: .NET 8 & 9 support ends Nov 2026; upgrade to .NET 10 source ↗

    .NET 8 & 9 support ends for Azure Functions on Nov 10, 2026. Upgrade to .NET 10 for security updates.

    43 days
  5. 10 Nov 2026
    EOL Azure Functions Azure Functions: PowerShell 7.4 Support Ends November 2026 source ↗

    PowerShell 7.4 support ends for Azure Functions on Nov 10, 2026. Upgrade to PowerShell 7.6 for security updates.

    43 days
  6. 31 Mar 2027
    Retirement Azure Functions Retirement: Python support for Azure App Service and Azure Functions on Windows will be retired on March 31, 2027 source ↗

    Python support for App Service/Functions on Windows will be retired. Migrate Python apps to Linux by Mar 31, 2027.

    184 days
  7. 30 Apr 2027
    EOL Azure Functions Azure Functions: Node.js 22 Support Ending April 30, 2027 source ↗

    Node.js 22 support for Azure Functions ends; upgrade apps to Node.js 24 for continued security updates.

    214 days
  8. 31 May 2027
    Policy Azure Functions Retirement: TLS 1.0 and TLS 1.1 in Azure App Service, Azure Functions, and Azure Logic Apps source ↗

    Azure App Service, Functions, and Logic Apps will stop accepting TLS 1.0/1.1 connections after May 31, 2027. Update clients.

    245 days
  9. 31 Mar 2028
    EOL Azure Functions Retirement: Azure Functions – Durable Functions support for Netherite will end on March 31, 2028 source ↗

    Azure Functions Durable Functions support for Netherite ends 2028-03-31. Apps will work, but no support. Evaluate replacement.

    550 days
  10. 30 Sept 2028
    Retirement Azure Functions Retirement: The Linux Consumption hosting plan of Azure Functions will be retired on September 30, 2028. Migrate to Flex Consumption. source ↗

    Azure Functions Linux Consumption hosting plan retired. Migrate to Flex Consumption by Sep 30, 2028 to avoid disruptions.

    733 days

By service

Azure Functions runtime Details & FAQ →

Version End of life Status
1 14 Sept 2026 end of life