Thursday June 11, 2026

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.

4:15 PM PST

Update

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.

3:43 PM PST

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.

3:13 PM PST