Changes / Sanity / Elevated listener latency and error rate impacting Studio loading
Sanity: Critical incident: Elevated listener latency and error rate impacting Studio loading
Summary
Sanity reported critical elevated listener latency and error rates affecting Studio loading, with slower performance and lag for some customers. The recorded incident ran from 2026-10-08 09:55 UTC to 2026-10-08 14:28 UTC (4 h 33 min), though Sanity noted issues began around 9:10 UTC. A fix was fully implemented and the incident resolved.
Machine-written from the diff below (Sol; type: incident degradation). Check the diff before relying on it.
What changed
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After: Elevated listener latency and error rate impacting Studio loading
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After: critical
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After: resolved
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After: 2026-10-08 09:55 UTC
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After: 2026-10-08 14:28 UTC
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After: Studio
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After: We are currently investigating an issue where elevated listener latency may result in slower performance and lag within Sanity Studio for a subset of customers. Our team is actively working to identify the root cause and mitigate the impact. Issue starting around 9:10 UTC.
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After: We are continuing to investigate this issue.
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After: We are currently continuing to investigate the issue, while also rolling out mitigations.
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After: We are continuing to investigate the issue. Additionally, there might be a slight delay in document publishes for "scheduled publishing" functionality.
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After: We are currently continuing to investigate the issue, while also preparing to roll a set of mitigations.
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After: We are continuing to investigate this issue.
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After: We are continuing to investigate this issue.
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After: We're continuing to investigate this issue. In the meantime, we've begun rolling out preliminary measures to mitigate its impact.
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After: We're continuing to investigate this issue. And we are continuing rolling out preliminary measures to mitigate its impact.
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After: We're continuing to investigate this issue. And we are continuing rolling out measures to mitigate its impact. "scheduled publishing" functionality confirmed unaffected by this incident.
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After: We're continuing to investigate this issue. And we are continuing rolling out measures to mitigate its impact.
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After: We're continuing to investigate this issue. And we are continuing to apply measures to mitigate its impact.
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After: The issue has been identified. We are continuing to apply fixes to mitigate its impact.
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After: We are continuing to apply fixes to mitigate the impact.
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After: We are continuing to apply fixes to mitigate the impact. No errors have been observed from the changes rolled out so far.
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After: A fix has been fully implemented and we are monitoring the results.
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After: We are continuing to monitor for any further issues.
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After: This incident has been resolved.
First version of this incident archived by Rewindex. View the live incident.
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Critical incident: Elevated listener latency and error rate impacting Studio loading (this change) Sanity reported critical elevated listener latency and error rates affecting Studio loading, with slower performance and lag for some customers. The recorded incident ran from 2026-10-08 09:55 UTC to 2026-10-08 14:28 UTC (4 h 33 min), though Sanity noted issues began around 9:10 UTC. A fix was fully implemented and the incident resolved. | Major incident |