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Outage in Harness

[Notification] Docker Engine v29 — Compatibility Notice for Harness

Resolved Minor
November 15, 2025 - Started 4 months ago - Lasted 4 days
Official incident page

Incident Report

Docker v29 introduces breaking API changes that could lead to failures in pipelines using Docker that are running stages using VM Runner, Local Runner, or in Docker-in-Docker (DinD) flows. Read more: https://developer.harness.io/docs/platform/knowledgebase/articles/docker-29-version-compatibility/
Components affected
Harness Continuous Delivery - Next Generation (CDNG) Harness Continuous Delivery - Next Generation (CDNG) Harness Continuous Delivery - Next Generation (CDNG) Harness Continuous Delivery - Next Generation (CDNG) Harness Continuous Delivery - Next Generation (CDNG) Harness Continuous Integration Enterprise(CIE) - Self Hosted Runners Harness Continuous Integration Enterprise(CIE) - Self Hosted Runners Harness Continuous Integration Enterprise(CIE) - Self Hosted Runners Harness Continuous Integration Enterprise(CIE) - Self Hosted Runners Harness Continuous Integration Enterprise(CIE) - Self Hosted Runners

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Latest Updates ( sorted recent to last )
RESOLVED 3 months ago - at 11/19/2025 05:51AM

This incident has been resolved.

MONITORING 4 months ago - at 11/15/2025 05:16AM

A fix has been implemented and we are monitoring the results.

INVESTIGATING 4 months ago - at 11/15/2025 05:15AM

We are continuing to investigate this issue.

INVESTIGATING 4 months ago - at 11/15/2025 05:11AM

We are continuing to investigate this issue.

INVESTIGATING 4 months ago - at 11/15/2025 05:10AM

We are continuing to investigate this issue.

INVESTIGATING 4 months ago - at 11/15/2025 05:09AM

We are continuing to investigate this issue.

INVESTIGATING 4 months ago - at 11/15/2025 05:08AM

We are continuing to investigate this issue.

INVESTIGATING 4 months ago - at 11/15/2025 05:06AM

Docker v29 introduces breaking API changes that could lead to failures in pipelines using Docker that are running stages using VM Runner, Local Runner, or in Docker-in-Docker (DinD) flows.

Read more: https://developer.harness.io/docs/platform/knowledgebase/articles/docker-29-version-compatibility/

Latest Harness outages

[Prod-8] Degraded access to the login page - about 13 hours ago
Slowness in Pipeline Execution graph UI - 4 days ago
Prod1/Prod2 pipelines and logins are facing an issue - 5 days ago
Hosted CI mac builds are impacted - 7 days ago
Degraded performance in SEI insights - 9 days ago

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