Looker Core API Changes — Google Cloud Radar Real-time pre-release intelligence and changelog for Google Looker Core. Tracked from Google Discovery Service. https://google-cloud-radar.com/services/looker-core/atom.xml 2026-11-12T00:00:00Z Google Cloud Radar https://github.com/max-ostapenko/google-cloud-radar ⚠️ [BREAKING] Looker API: ComponentMetrics property renamed https://google-cloud-radar.com/changes/2026-11-12-looker-v1 2026-11-12T00:00:00Z 2026-11-12T00:00:00Z The `ComponentMetrics` schema in the Looker API has a breaking change: the `componentType` property has been renamed to `type`. Developers must update their integrations to use the new property name. Looker Exports Get ESA Migration Token https://google-cloud-radar.com/changes/2026-10-28-looker-v1 2026-10-28T00:00:00Z 2026-10-28T00:00:00Z The `ExportMetadata` schema now includes an `esaMigrationToken` field, providing an opaque capability token for O2C Elite System Activity (ESA) direct dataset migrations. This enhances the secure handling of cloned source datasets during import. ⚠️ [BREAKING] Breaking: Custom Domains & Instances Get Read-Only Fields; New Export Timestamp for ESA https://google-cloud-radar.com/changes/2026-10-21-looker-v1 2026-10-21T00:00:00Z 2026-10-21T00:00:00Z The `CustomDomain.state` and `Instance.maintenanceSchedule` properties are now read-only, which is a breaking change for any automation modifying them. Additionally, `ExportMetadata` gains a new `exportTime` field to track Elite System Activity (ESA) BigQuery dataset migrations. Looker Instances Expose Authentication Types https://google-cloud-radar.com/changes/2026-10-06-looker-v1 2026-10-06T00:00:00Z 2026-10-06T00:00:00Z Looker instances now expose their configured authentication types, including Google Auth and Workforce Identity Federation, through a new `authType` field. This provides clearer insight into instance security configurations. Detailed Export Telemetry and Self-Hosted Source Support https://google-cloud-radar.com/changes/2026-09-19-looker-v1 2026-09-19T00:00:00Z 2026-09-19T00:00:00Z Looker's export process now provides granular telemetry via new ExportMetrics and ComponentMetrics schemas, alongside support for self-hosted instance sources. Looker adds ESA migration support to ExportMetadata https://google-cloud-radar.com/changes/2026-08-13-looker-v1 2026-08-13T00:00:00Z 2026-08-13T00:00:00Z Looker's ExportMetadata schema now includes a field for specifying source BigQuery datasets during Elite System Activity (ESA) migrations. Looker v1 adds Instance Undelete and Release Channels https://google-cloud-radar.com/changes/2026-06-21-looker-v1 2026-06-21T00:00:00Z 2026-06-21T00:00:00Z Looker Core instances now support soft-deletion recovery and configurable update release channels (Rapid, Regular, Stable).