Slack experienced a minor incident on May 19, 2026 affecting Files, lasting 1h 36m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- monitoring May 19, 2026, 08:51 PM UTC
We've identified the trigger, causing slow file and emoji uploads in Slack, and have deployed a fix. At this time, we are monitoring the environment to confirm full resolution. - Current status and actions being taken: We've identified a frontend error as the cause of the issue and have deployed a fix. We're actively monitoring our health metrics to confirm the fix has resolved the issue for all users. - Estimated time to resolution: No ETA at this time. - Scope: Users globally may be experiencing this issue. - Current impact to end users: Some users may experience slowness when uploading files and emojis in Slack. Attaching or sending files may be taking longer than expected — or failing to complete in a timely manner. - Known workarounds: No workarounds at this time. We'll provide another update as soon as we have more information to share.
- resolved May 19, 2026, 10:27 PM UTC
This issue is now resolved for all users. Current status and recent actions taken: The fix has successfully deployed, and our health metrics have stabilized. The issue is now fully resolved for all affected users. Scope: This wasn't affecting any specific region, but a percentage of users may have been affected globally.Previous impact to end users: Some users may have experienced slowness when uploading files and emojis in Slack. Attaching or sending files may have taken longer than expected — or failed to complete in a timely manner.Required resolution steps: No additional steps are required.We apologize for any disruptions to your day.