Doppler change history: Downtime due to migration script

Doppler reported a critical outage starting 2020-07-10 03:38 UTC, lasting 28 min and resolved at 2020-07-10 04:07 UTC. All primary and failover production servers went down, disabling dashboard and API access; Deploy was also listed as affected, with no data loss reported. The incident title attributed the downtime to a migration script; a fix was implemented.