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Slack Status · History · Incident #4087

ACTIVE INCIDENT

Severe Latency Impacting All Slack Services

Minor · Started May 27, 2026 · 4:02 PM

  • Duration

    Ongoing

  • Severity

    Minor

  • Detection lead

    —

  • User reports

    Peak 2/hr

Summary

Severe Latency Impacting All Slack Services

<p>The Slack Engineering team is currently investigating severe latency impacting all Slack services. We'll provide an update as soon as we have more information to share and apologize for any inconvenience this is causing.&nbsp;</p>

  • Started

    May 27, 2026 · 4:02 PM

  • Status

    Investigating

  • Duration

    Ongoing

  • Severity

    Minor

Event timeline

How this incident unfolded

  • ◐

    Investigating

    May 27 · 4:02 PM Slack

    <p>The Slack Engineering team is currently investigating severe latency impacting all Slack services. We'll provide an update as soon as we have more information to share and apologize for any inconvenience this is causing.&nbsp;</p>

User reports · incident window

Report volume over time

Hourly report count — red bars mark the incident window.

Peak: 2 reports/hr

← Before incident After →

Pattern

Other recent incidents

Browse full incident history →

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