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Outage in Slack

Issues affecting file uploads, message edits, channel renames, and channel creations

Resolved Minor
May 14, 2026 - Started 1 day ago - Lasted about 1 hour
Official incident page

Incident Report

Summary AI Generated

Slack experienced a 1-hour incident affecting file uploads, message edits, channel renames, channel creations, and third-party integrations, with users reporting inability to send files, GIFs, screenshots, and various app/messaging errors. The issue was caused by resource exhaustion and connectivity failures in internal infrastructure components responsible for processing background tasks. The incident was resolved by reverting a recent configuration change, which stabilized the affected systems and reduced error rates.

We're investigating a new incident.

  • Current impact to end users: We’re aware of an issue affecting file uploads, message edits, channel renames, and channel creations.

We'll provide an update within 30 minutes including further details on current actions being taken.

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Latest Updates ( sorted recent to last )
1 day ago - at 05/14/2026 03:19PM

Our work on this issue is still ongoing.Current status and actions being taken: We've identified a potential cause related to an internal infrastructure component responsible for processing background tasks. Several nodes running this component were experiencing resource exhaustion and CrashLoopBackOff errors, causing connectivity failures to our message queue brokers. A revert of a recent configuration change is currently rolling out and we're seeing signs of improvement — 503 errors are trending down and some impacted pods are stabilizing. We'll continue monitoring the progress. We'll be back with another update once we have news to share. Thank you for your patience.

1 day ago - at 05/14/2026 02:50PM

Our work on this issue is still ongoing.Current status and actions being taken: We're investigating reports of slow loading times, errors when updating workflows, editing messages, creating or renaming channels, reactions, and issues with file uploads and third-party integrations. Some users may encounter failures when posting images or using add-ins. We'll be back with another update once we have news to share.

1 day ago - at 05/14/2026 02:37PM

We're investigating a new incident.Current impact to end users:  We’re aware of an issue affecting file uploads, message edits, channel renames, and channel creations.We'll provide an update within 30 minutes including further details on current actions being taken.

source IsDown Service outage affecting multiple features Reports started 1 minute before official outage was reported

Users report inability to create channels, upload images/files, slow thread responses, and errors in workflow and troubleshooting sections.

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