Applitools incident

Ultrafast Grid - Safari performance issues

Resolved after 45 minutes, affecting Ultrafast Grid (UFG), on April 9, 2026.

resolved Apr 09, 2026, 01:18 PM UTC

The performance degradation occurred due to extremely high load on our MacStadium (Mac hosts provider) firewall that occurred as a result of an internal maintenance operation .

Started
Apr 09, 2026, 09:30 AM UTC
Resolved
Apr 09, 2026, 10:15 AM UTC
Duration
45m
Detected by Pingoru
Apr 09, 2026, 09:30 AM UTC

Affected components

Ultrafast Grid (UFG)

Update timeline

  1. investigating Apr 09, 2026, 11:43 AM UTC

    We're experiencing performance issues in all Safari Desktop environments - we are currently investigating the issue.

  2. investigating Apr 09, 2026, 11:57 AM UTC

    We are continuing to investigate this issue.

  3. resolved Apr 09, 2026, 01:18 PM UTC

    The performance degradation occurred due to extremely high load on our MacStadium (Mac hosts provider) firewall that occurred as a result of an internal maintenance operation .

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