Slack experienced a minor incident on February 18, 2026 affecting Apps/Integrations/APIs, lasting 4h 29m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Feb 18, 2026, 02:02 PM UTC
Incoming Webhooks may silently fail to generate when installing Apps which offer this feature. We're investigating and will keep you updated as we make progress.
- identified Feb 18, 2026, 02:55 PM UTC
We've identified a recent change that may be triggering the issue and are working to revert this. We'll be back with an update once this completes.
- resolved Feb 18, 2026, 06:32 PM UTC
This issue is now resolved for all users. Current status and recent actions taken: We reverted the change that triggered the issue. Scope: This issue impacted users from all regions, impacting both new installations and reinstalls of apps, affecting developers who reinstall apps to generate new webhooks.Previous impact to end users: Incoming Webhooks may have silently failed to generate when installing Apps which offer this feature. We apologize for any disruptions to your day.