Companies / devtools
CircleCI
925incidents since 2014-11-10
206major or critical
29in the last 90 days
0silently edited or deleted
Recent notable changes
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Delay in data appearing in UI and API CircleCI reported a major degradation starting 2026-10-09 11:33 UTC, resolved 2026-10-10 02:08 UTC after 14 h 35 min. Customers experienced pipeline, workflow and job delays and failures, delayed UI/API data, and disrupted webhooks and Slack/email notifications; retriggering could create duplicate pipelines. The vendor identified a delay in its data infrastructure. | Major incident | |
| Major incident: Delays in pipelines, workflows, UI data, and notifications CircleCI reported a major incident starting 2026-10-06 16:00 UTC, lasting 5 h 18 min and resolved at 21:18 UTC. Customers experienced pipeline failures, periods when no workflows or jobs started, and delayed UI data, notifications, webhooks, and commit status updates; workflows and jobs were starting normally by 20:31 UTC, and customers whose jobs failed to start were advised to rerun them. | Major incident | |
| Major incident: GitHub Incidents impacting CircleCI functionality CircleCI reported major degradation affecting pipeline triggering and login, with possible failures reporting running jobs’ status to GitHub Pull Requests. The incident ran from 2026-08-17 14:04 UTC to 2026-08-17 19:05 UTC, lasting 5 h 1 min. CircleCI attributed the disruption to a GitHub incident and resolved it after GitHub’s APIs appeared to be operating normally. | Major incident | |
| Critical incident: Outage impacting web experience and pipelines starting CircleCI reported a critical outage affecting UI access/login and pipeline starts, including API-triggered pipelines, starting 2026-07-02 15:25 UTC and resolving 2026-07-02 16:44 UTC (1 h 18 min). Increased system load caused API request failures; mitigation restored service, and CircleCI advised resubmitting failed pipelines. | Major incident | |
| Major incident: Delays starting Docker jobs | Major incident | |
| Major incident: macOS jobs failing to start | Major incident |
Full CircleCI change timeline, with diffs →
Status incident history
CircleCI status incidents per year
Data table
| Year | Incidents | Major/critical |
|---|---|---|
| 2014 | 3 | 0 |
| 2015 | 61 | 6 |
| 2016 | 61 | 10 |
| 2017 | 85 | 10 |
| 2018 | 79 | 26 |
| 2019 | 77 | 21 |
| 2020 | 110 | 29 |
| 2021 | 60 | 14 |
| 2022 | 93 | 23 |
| 2023 | 72 | 19 |
| 2024 | 68 | 20 |
| 2025 | 81 | 16 |
| 2026 | 75 | 12 |
Incidents per month, last 36 months
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Data table
| Month | Impact | Incidents |
|---|---|---|
| 2023-10 | major | 2 |
| 2023-10 | none | 1 |
| 2023-11 | major | 1 |
| 2023-11 | minor | 4 |
| 2023-11 | none | 2 |
| 2023-12 | minor | 5 |
| 2023-12 | none | 1 |
| 2024-01 | major | 2 |
| 2024-01 | minor | 3 |
| 2024-01 | none | 1 |
| 2024-02 | minor | 7 |
| 2024-03 | critical | 1 |
| 2024-03 | minor | 2 |
| 2024-04 | minor | 1 |
| 2024-04 | none | 1 |
| 2024-05 | minor | 8 |
| 2024-06 | critical | 1 |
| 2024-06 | major | 3 |
| 2024-06 | minor | 3 |
| 2024-07 | critical | 1 |
| 2024-07 | major | 1 |
| 2024-07 | minor | 5 |
| 2024-07 | none | 1 |
| 2024-08 | critical | 1 |
| 2024-08 | major | 1 |
| 2024-08 | minor | 2 |
| 2024-09 | major | 4 |
| 2024-09 | minor | 1 |
| 2024-10 | critical | 2 |
| 2024-10 | major | 2 |
| 2024-10 | minor | 2 |
| 2024-10 | none | 2 |
| 2024-11 | major | 1 |
| 2024-11 | minor | 2 |
| 2024-11 | none | 4 |
| 2024-12 | minor | 3 |
| 2025-01 | major | 3 |
| 2025-01 | minor | 3 |
| 2025-01 | none | 1 |
| 2025-02 | major | 2 |
| 2025-02 | minor | 4 |
| 2025-02 | none | 1 |
| 2025-03 | major | 1 |
| 2025-03 | minor | 4 |
| 2025-03 | none | 1 |
| 2025-04 | major | 2 |
| 2025-04 | minor | 2 |
| 2025-04 | none | 2 |
| 2025-05 | major | 1 |
| 2025-05 | minor | 8 |
| 2025-06 | critical | 1 |
| 2025-06 | major | 1 |
| 2025-06 | minor | 2 |
| 2025-07 | major | 1 |
| 2025-07 | minor | 3 |
| 2025-07 | none | 2 |
| 2025-08 | minor | 5 |
| 2025-09 | minor | 2 |
| 2025-10 | critical | 1 |
| 2025-10 | major | 1 |
| 2025-10 | minor | 3 |
| 2025-10 | none | 1 |
| 2025-11 | major | 1 |
| 2025-11 | minor | 8 |
| 2025-11 | none | 4 |
| 2025-12 | critical | 1 |
| 2025-12 | minor | 7 |
| 2025-12 | none | 2 |
| 2026-01 | minor | 3 |
| 2026-02 | major | 3 |
| 2026-02 | minor | 5 |
| 2026-03 | minor | 3 |
| 2026-03 | none | 1 |
| 2026-04 | major | 2 |
| 2026-04 | minor | 3 |
| 2026-04 | none | 1 |
| 2026-05 | major | 1 |
| 2026-05 | minor | 3 |
| 2026-05 | none | 3 |
| 2026-06 | major | 2 |
| 2026-06 | minor | 9 |
| 2026-06 | none | 1 |
| 2026-07 | critical | 1 |
| 2026-07 | minor | 8 |
| 2026-07 | none | 1 |
| 2026-08 | major | 1 |
| 2026-08 | minor | 6 |
| 2026-08 | none | 3 |
| 2026-09 | minor | 6 |
| 2026-09 | none | 1 |
| 2026-10 | major | 2 |
| 2026-10 | minor | 6 |
Silent edits
No silent edits or deletions detected for CircleCI yet. We compare every 10-minute snapshot of each incident.
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Pricing, trust and legal pages
Page snapshot history
Data table
| Date | Page | Change |
|---|---|---|
| 2026-10-17 | Privacy policy | baseline |
| 2026-10-17 | Trust / security | baseline |
| 2026-10-17 | Pricing | baseline |
| Page | URL | Versions | Last changed | Last fetched OK | History |
|---|---|---|---|---|---|
| Privacy policypartial | circleci.com/privacy | 1 | 2026-10-17 | none yet | |
| Pricing | circleci.com/pricing | 1 | 2026-10-17 | 2026-10-17 | none yet |
| Trust / security | circleci.com/security | 1 | 2026-10-17 | 2026-10-17 | none yet |
No changes since the first snapshot. Each change links to its diff: the changed passages with a few words of context, never a full copy of the page.
Incident timeline
Latest 100 of 925 incidents. Full list: last 90 days · JSON · Markdown