Tag Manager API Changes — Google Cloud Radar Real-time pre-release intelligence and changelog for Google Tag Manager. Tracked from Google Discovery Service. https://google-cloud-radar.com/services/tag-manager/atom.xml 2026-08-27T00:00:00Z Google Cloud Radar https://github.com/max-ostapenko/google-cloud-radar Deprecation of Container Combine and Move Tag Methods https://google-cloud-radar.com/changes/2026-08-27-tagmanager-v2 2026-08-27T00:00:00Z 2026-08-27T00:00:00Z Google Tag Manager has deprecated the `combine` and `move_tag_id` methods within the containers resource, signaling a shift in how container migrations are handled. ⚠️ [BREAKING] New Automatic Number Conversion and Error Schema Cleanup https://google-cloud-radar.com/changes/2026-07-01-tagmanager-v2 2026-07-01T00:00:00Z 2026-07-01T00:00:00Z Added automatic decimal separator detection for variable formatting and significantly reduced the surface area of the CompilerErrorLite schema. Deprecation of Destination methods in Tag Manager https://google-cloud-radar.com/changes/2026-06-21-tagmanager-v2 2026-06-21T00:00:00Z 2026-06-21T00:00:00Z Google Tag Manager has officially marked the 'get' and 'link' methods for the destinations resource as deprecated.