Observed Signal · Jul 13, 2026 · Technical Release · Source: https://developers.google.com/feeds/ad-manager-release-notes.xml · Impact: 4/5 · Sentiment: Positive
Google Ad Manager API: Beta Release Notes & Breaking Changes
Google published production release notes for the Google Ad Manager API (Open Beta) on August 4, 2026, describing new services and features, breaking changes, and deprecations. Notable additions include new report dimensions (e.g., CTR_WITH_COMPANION, IMPRESSIONS_WITH_COMPANION) and video pod metrics; LiveStream enhancements (dvrWindowDuration, slate, segmentUrlAuthenticationKeys, daiAuthenticationKeys, daiEncodingProfiles); new DAI services; and several new or expanded services such as PartnerService, ViewabilityProviderService, CreativeWrapperService, ChildPublisherService, and write methods for CompanyService. The notes reiterate earlier breaking changes: renamed report dimensions/metrics with deprecated values removed after October 1, 2025; a restructuring of Report message types requiring client library import path updates (wire compatible); and a canonical resource name change for CustomTargetingValue with migration required by July 28, 2025. Open Beta features include Private Auctions, Ad Breaks, Interactive Reporting, and publisher-provided signals.
Major-platform (Google) technical release containing breaking changes, deprecations, and migration deadlines that affect client libraries, report schemas, and publisher integrations—developers and publishers must update code and reports by specified dates.
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Key Takeaways & Evidence Grounding
- Release notes published 2026-08-04.
- Report dimensions and metrics were renamed; deprecated values will be removed after October 1, 2025.
- Report message types were restructured (many nested types moved to ReportDefinition or top-level), remaining wire-compatible but requiring client library import path updates.
- Canonical resource name for CustomTargetingValue changed to networks/{networkCode}/customTargetingValues/{customTargetingValueId}; clients must migrate by July 28, 2025.
- New features/services include LiveStream updates (dvrWindowDuration, slate, segmentUrlAuthenticationKeys, daiAuthenticationKeys, daiEncodingProfiles), DAI services (DaiAuthenticationKeyService, DaiEncodingProfileService) and other new services (PartnerService, ViewabilityProviderService, CreativeWrapperService, ChildPublisherService, AdRule, CdnConfig, SuggestedAdUnit, etc.); Open Beta supports Private Auctions, Ad Breaks, Interactive Reporting, and publisher-provided signals.
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Google Ad Manager API: July 13, 2026 Release
Google published production release notes for the Google Ad Manager API on July 13, 2026. The notes list breaking changes, deprecations, and new features: report dimensions and metrics were renamed with deprecated values removed after October 1, 2025; Report messages will be restructured (changing import paths in client libraries) while remaining wire compatible; the canonical resource name for CustomTargetingValue changed (clients must migrate before July 28, 2025); several resources now return default-valued fields in responses; and the API remains in Open Beta with added support for Private Auctions, Ad Breaks, Interactive Reporting, and publisher-provided signals. The document also records multiple migration deadlines (January 5, 2026; January 30, 2026; July 13, 2026) and new services added in recent updates.
Google Ad Manager API Beta: May 7, 2026 Updates
Google published release notes for the Google Ad Manager API (Beta) with a May 7, 2026 update that adds new services, report dimensions and metrics, and several breaking changes requiring client migration. New features include RichMediaAdsCompanies and McmEarnings services, a readonly OAuth scope, new report dimensions/metrics (e.g., LINE_ITEM_AVERAGE_NUMBER_OF_VIEWERS, CREATIVE_SSL_*, AD_SERVER_ACTIVE_VIEW_REVENUE), and write operations for ApplicationService. Breaking changes include removal or renaming of several report dimensions (DEMAND_SUBCHANNEL_ALL removed; UNIFIED_PRICING_RULE_ replaced by PRICING_RULE_), and error response changes where AdManagerError is removed in favor of google.rpc.BadRequest. The notes also reiterate prior migration deadlines for report dimension and resource name changes and list multiple earlier feature and breaking changes since 2024.
Google Ads API v22: New Features and Enhancements Unveiled!
Google announced v22 of the Google Ads API, publishing updated client libraries and code examples. Key additions include Smart Bidding Exploration support for Target ROAS bidding on Search with time-segmented diversity metrics; expanded DemandGen campaign support (new asset generation automation and bidding strategies); a beta AssetGenerationService that generates text and image assets via generative AI; enhancements to Performance Max campaign automation and reporting (including a feed_types field and new reporting segments); and new bidding goals for App campaigns for installs (ACi) to enable optimization without a specified target. The post links to release notes, upgrade guides, API reference, and a diff between v22 and v21, and invites developers to a release walkthrough event on October 16th.
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