Provider
SlackIncident detail
Child windows displaying content at half height
Child windows displaying content at half height
Timeline window
Jun 11, 2026, 10:13 PM UTC to Jun 11, 2026, 11:15 PM UTC
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Timeline
Incident updates
Updates are normalized from the official source chronology so timeline changes remain easy to scan.
Investigating
We're aware of an issue affecting the Slack desktop app. Users may find that content in child windows, such as channels or documents opened in a separate window, displays at reduced height. We’ve identified the technical trigger and are deploying a fix. We'll provide an update in 30 minutes or sooner if additional information becomes available.
Jun 11, 2026, 10:13 PM UTC
Monitoring
We’ve deployed a fix and are now performing validations. We'll provide an update in 30 minutes or sooner if additional information becomes available.
Jun 11, 2026, 10:43 PM UTC
Resolved
We've validated that the fix resolved the issue and child windows are now displaying content as expected. You may need to reload Slack using Command + Shift + R (Mac) or Ctrl + Shift + R (Windows/Linux) in order for this fix to be reflected on your end. We're sorry for the disruption this caused to your day.
Jun 11, 2026, 11:15 PM UTC