# Trello change history Filter: kind=all. Query: `?kind=notable|all|pages|pricing|trust|legal|incident|incident_edit|incident_deleted|incident_update&history=&page=N`. Company profile: [Trello](https://rewindex.com/company/trello.md) ## Changes by kind | Kind | Changes | Notable | Latest (UTC) | | --- | --- | --- | --- | | Major incident | 19 | 19 | 2026-05-14 05:24 UTC | ## Timeline | When (UTC) | Kind | Change | Label | Summary | | --- | --- | --- | --- | --- | | 2026-05-14 05:24 UTC | Major incident | [Critical incident: Users experiencing issues accessing multiple Atlassian products](https://rewindex.com/change/i836432b42074ee.md) | outage | Trello.com, API and Atlassian support services experienced a critical login/access outage starting 2026-05-14 05:24 UTC, resolved at 2026-05-14 06:48 UTC (1 h 23 min). Atlassian attributed the disruption to a race condition in its internal deployment orchestration platform during a routine rollback of a core identity service in us-east; all impacted services recovered. | | 2026-02-21 15:32 UTC | Major incident | [Major incident: Trello Slow or down for users](https://rewindex.com/change/i92b663e6e3225f.md) | degradation | Trello reported a major incident involving intermittently dropping websocket connections, disrupting users’ active sessions. It started and was marked resolved at 2026-02-21 15:32 UTC, with a recorded duration of 0 min; the updates did not state a cause or completed fix. | | 2025-12-27 04:42 UTC | Major incident | [Critical incident: Outbound Email, Mobile Push Notifications, and Support Ticket Delivery Impacting All Cloud Products](https://rewindex.com/change/i574a59b1adb6b4.md) | outage | Trello reported a critical incident affecting outbound email, mobile push notifications and support ticket delivery, starting 2025-12-27 04:42 UTC and resolved at 2025-12-27 05:20 UTC (computed duration: 37 min). The postmortem instead places onset at 02:48 UTC, citing expired monitoring TLS certificates that disrupted metrics traffic; core Jira and Confluence remained available. | | 2025-12-12 06:40 UTC | Major incident | [Critical incident: 500 Errors being experienced by Trello users](https://rewindex.com/change/i7f41fefaff4c08.md) | outage | Trello reported a critical disruption starting 2025-12-12 06:40 UTC and lasting 1 h 1 min, with 500 errors and service disruptions affecting web and mobile users. The postmortem attributed errors and slow loading to a dependency library upgrade causing high resource usage; rolling back the library restored service. | | 2025-11-21 14:55 UTC | Major incident | [Major incident: Multiple Atlassian services experiencing degraded performance](https://rewindex.com/change/ifc09f7ee509f89.md) | degradation | Trello reported a major degradation from 2025-11-21 14:55 UTC to 2025-11-21 16:49 UTC, lasting 1 h 54 min. Customers intermittently could not view or update boards and may have had authentication and new GitHub/Slack integration issues. The postmortem attributed the event to an edge proxy software bug; service was restored for all affected customers. | | 2025-09-11 13:56 UTC | Major incident | [Major incident: Degraded performance of Trello](https://rewindex.com/change/i285e716a7eabea.md) | degradation | Trello.com experienced major-impact performance degradation, with the incident recorded from 2025-09-11 13:56 UTC to 2025-09-11 14:18 UTC (22 min). Trello confirmed normal service was restored for affected customers; its final update noted users may have experienced degradation as early as September 11, 2025 1:00PM UTC. | | 2025-08-27 19:39 UTC | Major incident | [Major incident: Trello Connectivity Problems](https://rewindex.com/change/i037aa3d7d9017d.md) | outage | Trello.com experienced a major connectivity outage starting 2025-08-27 19:39 UTC; users could see a "You are disconnected from Trello" message. Recovery was reported at 21:01 UTC, and the incident was resolved at 2025-08-27 21:12 UTC, lasting 1 h 32 min. No cause or fix was stated. | | 2025-07-15 03:43 UTC | Major incident | [Major incident: Users experiencing issues with Email to Board failing](https://rewindex.com/change/id47e0e870f5f63.md) | outage | Trello’s Email to Board failed for some users in a major-impact outage from 2025-07-15 03:43 UTC to 2025-07-15 05:45 UTC, lasting 2 h 2 min. Trello reverted a faulty internal configuration to restore functionality; users can resubmit failed emails to create cards. | | 2025-05-15 14:27 UTC | Major incident | [Major incident: Trello was temporarily inaccessible](https://rewindex.com/change/ie27b6d0e27f8df.md) | outage | Trello reported a major outage affecting all customers, with inaccessibility, errors or slow-loading cards and boards. The incident started at 2025-05-15 14:27 UTC and resolved at 2025-05-15 15:21 UTC (53 min). Trello attributed it to database plan cache expiry and high resource usage from subsequent query planning; a fix was implemented. | | 2025-05-05 15:08 UTC | Major incident | [Major incident: Trello is slow or unavailable for some users](https://rewindex.com/change/i67a14832713c8a.md) | degradation | Trello reported a major degradation affecting API, Trello.com, and web/mobile apps; some users could not view boards or cards. It started at 2025-05-05 15:08 UTC and resolved at 2025-05-05 17:37 UTC (2 h 28 min). An infrastructure management tooling error deployed incorrect database DNS configuration; Trello mitigated the issue and reported no further impact. | | 2025-04-25 18:39 UTC | Major incident | [Critical incident: Trello is slow or unavailable](https://rewindex.com/change/i18fba778c88f4c.md) | outage | Trello reported a critical outage affecting web and mobile apps, starting at 2025-04-25 18:39 UTC and resolved at 2025-04-25 19:12 UTC (computed duration: 32 min). Its postmortem separately identifies service interruptions between 18:18 and 18:33 UTC, caused by reduced capacity after a rollback deployment; scaling up mitigated the issue. | | 2024-12-11 15:27 UTC | Major incident | [Major incident: Users aren't able to create new repeats or run existing ones when using the Card Repeater Power-Up](https://rewindex.com/change/ifa0b50b5160d47.md) | outage | Trello’s Card Repeater Power-Up had a major outage: users couldn’t create new repeats, and existing repeats weren’t executing. It lasted 2 h 32 min, from 2024-12-11 15:27 UTC to 2024-12-11 17:59 UTC, affecting API and Trello.com. An initial fix failed; a subsequent fix restored existing repeats and creation of new ones. | | 2024-09-12 02:08 UTC | Major incident | [Critical incident: Users are experiencing reCaptcha errors while signing up](https://rewindex.com/change/ie7be7438e55675.md) | outage | Trello.com signup was blocked by reCaptcha errors in a vendor-rated critical outage from 2024-09-12 02:08 UTC to 2024-09-12 03:28 UTC, lasting 1 h 20 min. Trello reported identifying the root cause and confirmed resolution, but did not describe the cause or fix. | | 2024-07-25 19:31 UTC | Major incident | [Major incident: Issue with search and moving cards for some users](https://rewindex.com/change/i0dd933e8a167b3.md) | outage | Some Trello.com customers experienced intermittent errors moving cards between boards or searching for cards. Trello rated the outage major; it started at 2024-07-25 19:31 UTC and was resolved at 2024-07-25 20:27 UTC, lasting 56 min. Trello confirmed normal operation but did not specify the cause or fix. | | 2024-06-21 00:18 UTC | Major incident | [Major incident: Intermittent error accessing content](https://rewindex.com/change/ie9ecb509498d77.md) | degradation | Trello.com experienced a major incident with intermittent content-access errors affecting some Atlassian Cloud customers, starting 2024-06-21 00:18 UTC and lasting 2 h 29 min, until resolution at 2024-06-21 02:47 UTC. The vendor said it identified the root cause, mitigated the problem, and restored normal service. | | 2024-02-13 09:30 UTC | Major incident | [Critical incident: Trello is slow or unavailable](https://rewindex.com/change/i33fbdf522be518.md) | outage | Trello reported a critical outage affecting API, Trello.com, and web and mobile apps, with slow or unavailable service starting 2024-02-13 09:30 UTC and resolving 2024-02-13 11:46 UTC (computed duration: 2 h 15 min). The postmortem cited long-running database queries slowing API responses; a fix was deployed and service restored. | | 2023-11-30 14:21 UTC | Major incident | [Critical incident: Trello is unavailable](https://rewindex.com/change/i6ba4abc2aa6b8f.md) | outage | Trello reported a critical outage affecting API and Trello.com, with errors across web, iOS and Android apps, starting 2023-11-30 14:21 UTC and lasting 3 h 16 min until resolution at 2023-11-30 17:37 UTC. The postmortem attributed it to a code change that overloaded a critical database component; Trello confirmed its database fix restored service. | | 2023-11-16 22:37 UTC | Major incident | [Major incident: Degraded experience for some of Trello's users](https://rewindex.com/change/ib5c76d7b4130f4.md) | degradation | Trello.com had a major degradation affecting some users: Automation commands failed to run or could not be created, card changes did not save, and some file uploads failed. It started at 2023-11-16 22:37 UTC and was resolved at 2023-11-16 23:58 UTC, lasting 1 h 20 min. Engineers rolled out a fix and observed recovery. | | 2023-11-10 14:43 UTC | Major incident | [Critical incident: Trello is down](https://rewindex.com/change/i5efdbaac55ffed.md) | outage | Trello reported a critical outage affecting API and Trello.com, preventing multiple users from connecting to its servers. It started at 2023-11-10 14:43 UTC and was resolved at 2023-11-10 16:19 UTC, lasting 1 h 35 min. Trello said its changes fixed the connection issues and all services were functional. | --- Canonical: https://rewindex.com/company/trello/changes · Markdown: https://rewindex.com/company/trello/changes.md · JSON: https://rewindex.com/api/v1/companies/trello/changes · Generated 2026-10-18T02:27:58.825Z