Outage report · Partial outage

Slack outage on Jun 10, 2026

Incident: Trouble with Gmail add-on Integration

SeverityPartial outage

StartedJun 10, 2026, 20:36UTC

ResolvedJun 11, 2026, 06:39UTC

Duration10h 3m

What happened

Slack reported a partial outage starting Jun 10, 2026, 20:36 UTC. It was marked resolved at Jun 11, 2026, 06:39 UTC.

The incident lasted 10h 3m from first report to resolution.
Slack had reported 7 other partial or major outages in the 90 days before it.
8 other vendors we track reported a significant incident within 12 hours of it.

Latest update from Slack

1:36pm PDT We're aware of an issue impacting the Slack Gmail add-on integration. As a result, users are unable to interact with the add-on and may encounter a “Something went wrong when executing the add-on. For help, contact the add-on developer” error message when attempting to use it. We are investigating the cause of this issue. We'll provide an update in 30 minutes or sooner if additional information becomes available. 2:05pm PDT We’re still actively investigating the issue impacting the Slack Gmail add-on. We are working to identify the cause, and no workaround is currently available. We’ll provide an update in 30 minutes or sooner if additional information becomes available. 2:37pm PDT We’re still investigating the issue impacting Slack Gmail add-ons. No additional news to share just yet, but we’re focused on getting things back to normal as quickly as we can. We apologize for the continued trouble.We’ll provide an update in 60 minutes or sooner if additional information becomes

Read Slack's official incident report ↗