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Departures · By vendor

Microsoft deprecations and end-of-support dates

17 changes have a date ahead. Next: .NET, November 10, 2026.

Microsoft

Soonest first · days counted on

Gates ahead 17

  1. .NET.NET 8 and .NET 9 end of support: November 10, 2026Forced move Gate 20 days left Act by November 10, 2026
  2. Microsoft AzureAzure Functions in-process model support ends November 10, 2026Forced move Gate 20 days left Act by November 10, 2026
  3. Azure FunctionsAzure Functions PowerShell 7.4 support ends November 10, 2026Forced move Gate 20 days left Act by November 10, 2026
  4. Azure OpenAI in Foundry ModelsAzure OpenAI o1, o3, o3-mini and o4-mini retire November 19, 2026Forced move Gate 29 days left Act by November 19, 2026
  5. Azure Kubernetes Service (AKS)AKS Kubernetes 1.34 end of life: November 2026Forced move Gate 40 days left Act by November 30, 2026
  6. Azure DevOpsAzure DevOps global personal access tokens stop December 1, 2026Forced move Gate 41 days left Act by December 1, 2026
  7. Azure OpenAI in Foundry ModelsAzure OpenAI tts, tts-hd and whisper retire December 15, 2026Forced move Gate 55 days left Act by December 15, 2026
  8. Windows ServerWindows Server 2016 support ends January 12, 2027Forced move Gate 83 days left Act by January 12, 2027
  9. Microsoft Entra IDMicrosoft Entra stops SMS and voice sign-in codes on February 1, 2027Forced move Gate 103 days left Act by February 1, 2027
  10. Azure OpenAI in Foundry ModelsAzure OpenAI gpt-5, gpt-5-mini and gpt-5-nano retire February 9, 2027Forced move Gate 111 days left Act by February 9, 2027
  11. Azure Kubernetes Service (AKS)AKS Kubernetes 1.35 end of life: March 2027Forced move Gate 161 days left Act by March 31, 2027
  12. Exchange OnlineExchange Online turns off EWS for good on April 1, 2027Forced move Gate 162 days left Act by April 1, 2027
  13. Microsoft Entra Connect SyncEntra Connect Sync must be upgraded by April 7, 2027 or sync stopsForced move Gate 168 days left Act by April 7, 2027
  14. Azure OpenAI in Foundry ModelsAzure OpenAI gpt-4o and gpt-4.1 models retire April 14, 2027Forced move Gate 175 days left Act by April 14, 2027
  15. Azure FunctionsAzure Functions Node.js 22 support ends April 30, 2027Forced move Gate 191 days left Act by April 30, 2027
  16. Azure Kubernetes Service (AKS)AKS starts upgrading unsupported clusters June 1, 2027Forced move Gate 223 days left Act by June 1, 2027
  17. WindowsWindows 10 home security updates now run to October 12, 2027Terms change Gate 356 days left Stay

Passed in the last 90 days 2

  1. Microsoft OfficeOffice 2021 and Office LTSC 2021 support ends October 13, 2026Forced move Gate The date has passed Departed
  2. Microsoft OfficeMicrosoft Publisher: gone from Microsoft 365, support ends October 13Shutdown Gate The date has passed Departed

No set date 2

  1. WindowsWindows 10 ESU for business PCs: Year Two costs twice as muchPrice jump Gate No date No set date Act now
  2. Exchange OnlineExchange Online: password SMTP AUTH off by default end of 2026Forced move Gate No date No set date Act now

Check your code for these dates

A free GitHub Action checks your repo every Monday. It looks for 13 changes on this page. If your code uses one, it opens an issue.

.github/workflows/deadline-check.yml
name: Vendor deadline check
on:
  schedule:
    - cron: '17 6 * * 1' # Mondays
  workflow_dispatch:
permissions:
  contents: read
  issues: write
jobs:
  deadlines:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: timetobail/deadline-check@v0

Get it on GitHub Marketplace See a demo issue

How the Action works

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