Amplitude change history: Custom Metrics – Metric Details Page Unavailable

Amplitude reported a major outage affecting the Custom Metrics metric details page, which could fail to load or display an error. The incident started at 2026-07-13 11:41 UTC and was resolved at 2026-07-13 14:59 UTC, lasting 3 h 17 min. A deployed fix restored normal loading; no data was lost.