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Calibre Outage History

Every past Calibre outage tracked by IsDown, with detection times, duration, and resolution details.

There were 29 Calibre outages since December 2018. The 5 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor May 6, 2026

May 2026: Application performance

Detected May 6, 2026 6:32 AM EDT · Resolved May 6, 2026 8:29 AM EDT · Duration about 2 hours

The Calibre application experienced degraded performance that was identified and monitored by the service team. The performance issues affected the main application functionality for approximately 2 hours. The incident was successfully resolved after monitoring and remediation efforts.

Major April 1, 2026

April 2026: Synthetic testing unavailable in Bahrain

Detected Apr 1, 2026 7:42 PM EDT · Resolved May 7, 2026 8:25 AM EDT · Duration about 1 month

Calibre's synthetic page speed monitoring service became unavailable in Bahrain due to regional conflict that caused services to go offline and become unreachable. The outage lasted approximately 35 days before being resolved. The incident was classified as major severity and affected all synthetic monitoring capabilities in the Bahrain region.

Major October 20, 2025

October 2025: Test delays

Detected Oct 20, 2025 7:00 AM EDT · Resolved Oct 20, 2025 10:08 PM EDT · Duration about 15 hours