Calibre incident

Degraded application performance

Minor Resolved View vendor source →

Calibre experienced a minor incident on January 21, 2026 affecting Application and CLI & Node.JS API, lasting 42m. The incident has been resolved; the full update timeline is below.

Started
Jan 21, 2026, 12:00 AM UTC
Resolved
Jan 21, 2026, 12:43 AM UTC
Duration
42m
Detected by Pingoru
Jan 21, 2026, 12:00 AM UTC

Affected components

ApplicationCLI & Node.JS API

Update timeline

  1. investigating Jan 21, 2026, 12:00 AM UTC

    We are currently investigating a degradation in application performance.

  2. monitoring Jan 21, 2026, 12:12 AM UTC

    Application performance has returned to acceptable levels. We are monitoring before resolving.

  3. resolved Jan 21, 2026, 12:43 AM UTC

    This incident has been resolved.