Big vendor deadlines: Q4 2026

October 2026 9

1. Gemini Enterprise Agent PlatformGemini 2.5 models retire on Vertex AI on October 20, 2026Forced move Gate Oct 20 4 days left 4 Act by October 20, 2026ACT BY OCT 20
2. Google CloudGoogle Cloud console needs 2-Step Verification from October 20, 2026Terms change Gate Oct 20 4 days left 4 Act by October 20, 2026ACT BY OCT 20
3. Google Kubernetes Engine (GKE)GKE 1.31 extended support ends October 22, 2026Forced move Gate Oct 22 6 days left 6 Act by October 22, 2026ACT BY OCT 22
4. OpenAI APIOpenAI shuts down gpt-4, gpt-3.5-turbo, o1 and o4-mini on October 23Forced move · Vendor told April 22, 2026 Gate Oct 23 7 days left 7 Act by October 23, 2026ACT BY OCT 23
5. VercelVercel deletes Pro deployments older than 30 days from October 23Forced move · Vendor told October 9, 2026 Gate Oct 23 7 days left 7 Act by October 23, 2026ACT BY OCT 23
6. A Amazon PinpointAmazon Pinpoint campaigns and segments end October 30, 2026Shutdown Gate Oct 30 14 days left 14 Bail nowBAIL NOW
7. Cloud Run functionsNode.js 20 functions on Google Cloud: decommissioned October 30, 2026Forced move Gate Oct 30 14 days left 14 Act by October 30, 2026ACT BY OCT 30
8. AWS LambdaAWS Lambda Python 3.10 runtime deprecated October 31, 2026Forced move Gate Oct 31 15 days left 15 Act by October 31, 2026ACT BY OCT 31
9. PagerDutyPagerDuty Postmortems end October 31, 2026Shutdown · Vendor told April 27, 2026 Gate Oct 31 15 days left 15 Bail nowBAIL NOW

November 2026 12

1. HerokuHeroku-22 stack: builds start failing November 1, 2026Forced move Gate Nov 1 16 days left 16 Act by November 1, 2026ACT BY NOV 1
2. G GitHub ActionsGitHub Actions macos-14 runners retire November 2, 2026Forced move Gate Nov 2 17 days left 17 Act by November 2, 2026ACT BY NOV 2
3. A Amazon OpenSearch ServiceOpenSearch Service: old versions cost more from November 7, 2026Forced move Gate Nov 7 22 days left 22 Act by November 7, 2026ACT BY NOV 7
4. . .NET.NET 8 and .NET 9 end of support: November 10, 2026Forced move · Vendor told June 29, 2026 Gate Nov 10 25 days left 25 Act by November 10, 2026ACT BY NOV 10
5. M Microsoft AzureAzure Functions in-process model support ends November 10, 2026Forced move Gate Nov 10 25 days left 25 Act by November 10, 2026ACT BY NOV 10
6. A Atlassian CloudAtlassian Cloud list prices rose on October 13, 2026Price jump Gate Nov 11 26 days left 26 Get readyGET READY
7. BitbucketBitbucket Cloud SSH moves to ssh.bitbucket.org by November 12, 2026Forced move · Vendor told May 12, 2026 Gate Nov 12 27 days left 27 Act by November 12, 2026ACT BY NOV 12
8. Auth0Auth0 Rules and Hooks reach end of life November 18, 2026Forced move Gate Nov 18 33 days left 33 Act by November 18, 2026ACT BY NOV 18
9. A Azure OpenAI in Foundry ModelsAzure OpenAI o1, o3, o3-mini and o4-mini retire November 19, 2026Forced move Gate Nov 19 34 days left 34 Act by November 19, 2026ACT BY NOV 19
10. Amazon EKSAmazon EKS 1.31 extended support ends November 26, 2026Forced move Gate Nov 26 41 days left 41 Act by November 26, 2026ACT BY NOV 26
11. Claude PlatformClaude Sonnet 4.5 retires on the Claude API on November 30, 2026Forced move · Vendor told September 30, 2026 Gate Nov 30 45 days left 45 Act by November 30, 2026ACT BY NOV 30
12. OpenAI APIOpenAI Evals, reusable prompts and Agent Builder shut down November 30Shutdown · Vendor told June 3, 2026 Gate Nov 30 45 days left 45 Bail nowBAIL NOW

December 2026 7

1. G Gemini Developer APIGemini API: paid Flash and Argon prices rise Dec 1 and Jan 1Forced move Gate Dec 1 46 days left 46 Act by December 1, 2026ACT BY DEC 1
2. OpenAI APIOpenAI retires early GPT-5 snapshots, o3 and old image modelsForced move Gate Dec 1 46 days left 46 Act by December 1, 2026ACT BY DEC 1
3. A Azure DevOpsAzure DevOps global personal access tokens stop December 1, 2026Forced move · Vendor told December 12, 2025 Gate Dec 1 46 days left 46 Act by December 1, 2026ACT BY DEC 1
4. P PrismaPrisma Accelerate is retired on December 1, 2026Shutdown · Vendor told October 2, 2026 Gate Dec 1 46 days left 46 Bail nowBAIL NOW
5. A Atlassian CloudAtlassian Cloud starts billing usage meters on December 3, 2026Forced move Gate Dec 3 48 days left 48 Act by December 3, 2026ACT BY DEC 3
6. H HCP VagrantHCP Vagrant and the public box registry end December 31, 2026Shutdown Gate Dec 31 76 days left 76 Bail nowBAIL NOW
7. HoneycombHoneycomb Pro legacy pricing grace period ends December 31, 2026Forced move Gate Dec 31 76 days left 76 Act by December 31, 2026ACT BY DEC 31

Early 2027 9

Gates from January to March 2027.

1. A AWS SupportAWS Developer and Business Support plans end January 1, 2027Forced move · Vendor told December 2, 2025 Gate Jan 1 77 days left 77 Act by January 1, 2027ACT BY JAN 1
2. Cloud SQLCloud SQL for MySQL 8.0 costs extra from January 1, 2027Forced move Gate Jan 1 77 days left 77 Act by January 1, 2027ACT BY JAN 1
3. G Google Custom Search JSON APIGoogle Custom Search JSON API ends for current users January 1, 2027Shutdown · Vendor told January 20, 2026 Gate Jan 1 77 days left 77 Bail nowBAIL NOW
4. Windows ServerWindows Server 2016 support ends January 12, 2027Forced move Gate Jan 12 88 days left 88 Act by January 12, 2027ACT BY JAN 12
5. A App EngineApp Engine first-generation runtimes end January 31, 2027Forced move Gate Jan 31 107 days left107 Act by January 31, 2027ACT BY JAN 31
6. Microsoft Entra IDMicrosoft Entra stops SMS and voice sign-in codes on February 1, 2027Forced move Gate Feb 1 108 days left108 Act by February 1, 2027ACT BY FEB 1
7. L Let's EncryptLet's Encrypt certificates last 64 days from February 10, 2027Forced move Gate Feb 10 117 days left117 Act by February 10, 2027ACT BY FEB 10
8. SlackSlack retires legacy Business+, Enterprise Grid and Slack AI add-onPlan removed · Vendor told March 3, 2026 Gate Mar 1 136 days left136 Act by March 1, 2027ACT BY MAR 1
9. OktaOkta Classic Engine loses three features on March 5, 2027Forced move · Vendor told September 18, 2026 Gate Mar 5 140 days left140 Act by March 5, 2027ACT BY MAR 5