Previously, users had to create and maintain separate canaries in each AWS region, increasing management complexity and risk of inconsistent configurations. The new multilocation canaries feature allows one primary region to manage a canary that is replicated automatically to additional selected AWS regions.
This setup consolidates monitoring data centrally while enabling detection of region-specific performance issues and validating third-party dependencies' availability worldwide. Alarms can be configured to trigger only when problems appear across multiple locations, improving alert accuracy and operational efficiency.
Source & further reading
Amazon CloudWatch Synthetics now supports multilocation canaries ↗Source published 2026-06-18. This report was prepared with AI assistance from the linked primary-source material. Claims and limitations should be checked against the original announcement or research.