Slack outage, 24 July 2026

Issue sending messages to channels via certain Workflows

Started
Resolved
24 Jul 2026, 10:47 UTC (after 2 h 24 min)
Impact
Minor
Affected
Workflows

Last update from Slack

We’ve completed the revert of the recent change and have validated that this has brought customers out of impact and can now successfully send a message to a channel using Workflows that include 'refer to a message link'. We apologize for how this incident may have affected you and your business.

24 Jul 2026, 10:47 UTC

Read the full incident on the official Slack status page

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