Issues Uploading Attachments Through WorkApps

Update timeline

1. investigating Oct 10, 2025, 12:28 AM UTC

   We are currently investigating reports of issues affecting attachment uploads through WorkApps. Our Engineering team is actively analyzing the cause of the problem and working on a fix to restore normal functionality.

2. investigating Oct 10, 2025, 01:37 AM UTC

   We are continuing to investigate this issue.

3. investigating Oct 10, 2025, 02:36 AM UTC

   We are continuing to investigate this issue.

4. identified Oct 10, 2025, 03:49 AM UTC

   We have identified the root cause of the issue affecting attachment uploads through WorkApps. Our Engineering team is actively working on deploying a fix to restore full functionality as soon as possible.

5. monitoring Oct 10, 2025, 05:36 AM UTC

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

6. resolved Oct 10, 2025, 07:31 AM UTC

   This incident has been resolved.

7. postmortem Oct 10, 2025, 08:35 AM UTC

   **Post Incident Summary:** Beginning at approximately 12:52 PM PDT on October 9, 2025, some customers began experiencing issues uploading attachments through WorkApps. Our engineering team identified that a recent code change was the cause of the issue and deployed a fix. The fix was fully deployed and service was restored for all customers at approximately 10:00 PM PDT. We are reviewing our deployment processes to help prevent similar incidents in the future.