CockroachDB change history: Connection attempts failing for multiple Basic tenants in GCP South America (southamerica-east1).

Connection attempts failed for multiple CockroachDB Cloud (Basic) tenants in GCP South America (São Paulo / southamerica-east1), preventing affected customers from connecting to clusters. CockroachDB rated the incident major; it started at 2026-09-17 19:08 UTC and was resolved at 2026-09-17 20:39 UTC, lasting 1 h 30 min. Connectivity was fully restored, with all affected clusters operating as expected.