Atlassian (Trello) Outage History
Uptime record, past incidents, and downtime history for Atlassian (Trello).
Checking current status...
90-Day Trend
Monthly Uptime
| Month | Uptime | Days Tracked | Days with Issues |
|---|---|---|---|
| May 2026 | 52% | 25 | 12 |
| April 2026 | 100% | 30 | 0 |
| March 2026 | 100% | 31 | 0 |
| February 2026 | 100% | 5 | 0 |
Uptime is calculated from daily worst-status snapshots. A day with any non-operational status counts as a day with issues.
Daily Status (Last 91 Days)
Feb 24
Today
Operational
Degraded
Partial Outage
Major Outage
Maintenance
No Data
Incident History
May 2026
Trello - degraded performance
Started: May 17, 2:11 PM
monitoring
Users should be experiencing restored functionality to their boards and cards.
Our team has resolved 'card not found' errors, and continues to remediate potential outstanding data issues that occurred on Boards and Cards during the incident:
- Missing card labels
- Attachment restrictions not being enforced on moved cards
- Checklist assignees that are not a member of the current board may incorrectly linger
- Card assignees that are not a member of the current board may have incorrectly rec...
May 22, 7:51 PM
monitoring
The team continues to remediate potential outstanding data issues that occurred on Boards and Cards during the incident (details are in yesterday's update).
Users should be experiencing restored functionality to their boards and cards. Please note that while cards are safe to edit, they may be excluded from certain restoration work if they are edited.
We greatly appreciate your patience as we work through these issues. Please reach out to our support team if you need further assistance.
May 21, 9:29 PM
monitoring
Users should be experiencing restored functionality to their boards and cards.
The team continues to remediate potential outstanding data issues that occurred on Boards and Cards during the incident. Below is a list of remaining issues that may still be occurring, but we are currently working to resolve via processing on our end. These issues were caused by card moves between boards during the incident.
- Missing card labels
- Attachment restrictions not being enforced on moved cards
- Check...
May 20, 7:06 PM
monitoring
Users should be experiencing restored functionality to their boards and cards.
We are running scripts to replay actions that occurred during the incident. We will update once these are complete.
May 19, 6:01 PM
monitoring
Index rebuild is complete and functionality should be restored for users. We are aware that cards moved by users during the incident may be in an incomplete state and we are investigating solutions.
We have no indication of data loss during the incident. We will continue to monitor and will provide the next updates in 4 hours or sooner.
May 19, 2:26 PM
identified
We are continuing to monitor the index rebuild process across all affected shards and will provide updates as each phase completes. We will provide next update in eight hours or sooner as we make progress.
May 19, 7:03 AM
identified
We want to provide more transparency regarding this incident given its duration.
We were optimizing one of our largest databases, specifically the one storing comments and card activity. At the end of this process, a bug caused some database partitions to go live without their indexes. This means queries to those partitions are timing out, which is why approximately 40 percent of boards are experiencing failures.
Your data is safe. Any comments added during this incident are being saved and...
May 18, 10:45 PM
identified
Our teams continue to work diligently on the mitigation.
During this time, we recommend that you do not move or copy cards or lists between boards. For users whose boards are affected by this issue, you may create and delete cards and edit card descriptions as usual, but you will not be able to see comments or the detailed activity log of the cards.
We estimate that the rebuild will take another 24 hours to complete. We will update this page as we have more information.
May 18, 6:09 PM
identified
Trello continues to experience slowdowns and failures that are affecting comment operations, including creating and deleting comments.
Our teams continue to work on the issue resolution, while it is taking longer than expected. We will provide more updates within the next 8 hours or sooner once we have further information to share.
May 18, 10:14 AM
identified
Trello is experiencing slowdowns and failures affecting comment operations, including creating and deleting comments. Users may also experience delays when loading activity views on cards, viewing attachments, using Power-Ups, exporting boards and 'Updates' on home page.
Our team is actively working on the resolution and will likely take up to 7 hours to restore the services back to full functionality. We will provide further update at this time, or earlier if we have additional information...
May 18, 3:51 AM
identified
Trello is experiencing slowdowns and failures affecting comment operations, including creating and deleting comments. Users may also experience delays when loading activity views on cards, viewing attachments, using Power-Ups, or exporting boards. Some users are encountering errors when viewing specific cards.
The team is working hard to restore full functionality and will provide another update within 3h.
May 18, 12:53 AM
identified
Work by the Trello engineering team continues to restore functionality to comments and activity views. Recovery of the affected systems is taking longer than anticipated.
Next update will be posted within 4h or on a significant change. Thank you for your patience.
May 17, 9:03 PM
identified
Work by the Trello engineering team continues to restore functionality to comments and activity views.
Next update will be posted within 4h or on a significant change. Thank you for your patience.
May 17, 4:25 PM
identified
The team has identified the root cause and is hard at working resolving this issue. Users will see problems creating/updating/deleting comments and loading the activity view for cards at this time. The rest of Trello's features should be working as normal.
We will provide more updates within 2h.
May 17, 3:13 PM
investigating
Users may be experiencing slowdowns across various functions of Trello including creating/deleting comments, editing cards, or creating new attachments. The team is actively working to fix the issue and will provide more updates within the hour.
May 17, 2:11 PM
Trello - degraded performance (investigating)
Started: May 15, 3:14 PM
monitoring
The team has resolved the previous issues and is now monitoring the system to ensure a full return to baseline. Search indexing is still approximately 1h delayed, but will be up to date shortly. Thank you for your patience
May 15, 5:36 PM
identified
The Trello team has identified and mitigated most of the issues with cards and comments. Users may still see delays in search indexing for short time while it catches up to realtime.
May 15, 4:40 PM
investigating
Trello engineers are actively working on resolving issues that our users may be seeing around commenting on cards, deleting comments, and adding new attachments. Users may also find that recent changes to cards are not reflected in search results. We are continuing to work on it and will provide more updates within the hour.
May 15, 3:31 PM
investigating
We are investigating degraded performance of some Trello features. We will provide more details within the next hour.
May 15, 3:14 PM
Users experiencing issues accessing multiple Atlassian products
Started: May 14, 5:24 AM
monitoring
We are now able to see recovery for all impacted products, and users should be able to access their products as expected.
Our team is continuing to monitor all products and services to ensure there is no further impact, and we will provide further update when this has been validated and the incident is closed.
May 14, 6:41 AM
monitoring
We are now able to see recovery for all impacted products, and users should be able to access their products as expected.
Our team is continuing to monitor all products and services to ensure there is no further impact, and we will provide further update when this has been validated and the incident is closed.
May 14, 6:40 AM
monitoring
Our team has implemented a mitigation for this issue and we are now seeing recovery across Atlassian products.
We will continue to monitor this issue for any ongoing concerns, and provide further updates here within an hour as we are able to confirm a full recovery has taken place.
May 14, 5:43 AM
identified
Our team has identified the root cause of this issue and is now actively working on mitigating the issue with accessing Atlassian products.
At this time, Atlassian customers should also be able to once again raise support requests with our team.
We will provide further update within an hour as we are able to progress mitigating this issue.
May 14, 5:34 AM
identified
It is likely if you are experiencing any issues relating to logging in or accessing Atlassian products at this time it is likely due to this ongoing incident.
We are continuing to receive reports about expanded product impact resulting from this incident.
While our team continues to investigate the issue with urgency, we will continue to provide further updates here with additional information.
We will provide further update within one hour, or sooner as further information becomes available.
May 14, 5:24 AM
Multiple Atlassian services are experiencing issues
Started: May 8, 1:31 AM
monitoring
We continue to monitor the situation as services recover. We are currently in the process of clearing the backlog of queued events. We will provide a further update in approximately one hour.
May 8, 8:03 AM
monitoring
The underlying issue in public infrastructure which affected asynchronous event processing has been mitigated and all the affected services are recovering. We are now working on clearing the backlog of queued events, which means some actions (such as notifications, automation triggers, and data syncs) may be in degraded state. We will continue to monitor and provide updates as the backlog is cleared.
May 8, 5:53 AM
identified
We are continuing to work with our public cloud provider to mitigate this issue. We are starting to see some recovery in regions outside of Eastern USA, however, users globally may still be experiencing issues with certain product features. These are listed at the bottom of each product page.
May 8, 4:10 AM
identified
Our teams continue to work on mitigating the infrastructure outage from our public cloud provider. We will provide further updates when they are available.
May 8, 4:10 AM
identified
We have identified that the root cause of the issue is related to an infrastructure outage from our public cloud provider. We are working closely with them to mitigate this issue. We will provide further updates when they become available.
May 8, 4:10 AM
identified
Our teams continue to work on mitigating the infrastructure outage from our public cloud provider. We will provide further updates when they are available.
May 8, 3:00 AM
identified
We have identified that the root cause of the issue is related to an infrastructure outage from our public cloud provider. We are working closely with them to mitigate this issue. We will provide further updates when they become available.
May 8, 3:00 AM
identified
We have identified that the root cause of the issue is related to an infrastructure outage from our public cloud provider. We are working closely with them to mitigate this issue. We will provide further updates when they become available.
May 8, 2:15 AM
investigating
We are experiencing issues with multiple Atlassian products. Our teams are investigating further and more updates including will be shared within 1 hour.
May 8, 1:31 AM