Users May Not Receive Notifications on Slack Thread Replies
View the provider incident record →Current answer
Slack experienced a minor incident: Users May Not Receive Notifications on Slack Thread Replies. The last provider record was marked Resolved; its current state cannot be verified.
The notice publication date does not establish the outage start.
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Affected Components
Notifications
Incident Timeline
Update
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.
We apologize for any inconvenience and appreciate your patience.
Apr 27, 2026 at 8:36 PM UTC
Update
We’re observing positive signals after rolling back the deployment in test environments. We will complete some final validations before rolling back the deployment in the production environment.
Thank you for your patience as we work through this one. We’ll report back once production rollback is completed or if there are substantial updates to share.
Thank you for your patience as we work through this one. We’ll report back once production rollback is completed or if there are substantial updates to share.
Apr 27, 2026 at 6:07 PM UTC
Update
Some users have reported issues with thread replies not generating a notification banner. We’re investigating the issue, and have identified a recent deployment as a possible trigger.
We apologize for the inconvenience and will report back as more information becomes available.
We apologize for the inconvenience and will report back as more information becomes available.
Apr 27, 2026 at 5:11 PM UTC
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