Incident: Users May Not Receive Notifications on Slack Thread Replies

Detected Oct 6, 2026, 8:30 AM

View Page

Significance

High

Change Type

Incident

AI Confidence

100%

AI Summary

Slack resolved an incident where users were not receiving notification banners for thread replies. A production rollback was performed, and all systems are now functioning as expected.

Update Details

We’ve successfully performed a rollback in the production environment, and all systems are now functioning as expected. Users should no longer experience any issues with thread replies not generating a notification banner.We apologize for any inconvenience and appreciate your patience.

Apr 27, 2026, 8:36 PMView original