Google Ads API v22 released with AssetGenerationService (beta) and Smart Bidding Exploration metrics

v22 added a generative-AI AssetGenerationService in beta, time-segmented diversity metrics for Smart Bidding Exploration on Target ROAS Search campaigns, new Demand Gen asset automation and bidding strategies (including Target CPC), campaign-level PMax image enhancement/extraction settings, new PMax reporting segments (ad_using_product_data, ad_using_video) and a feed_types field, and target-less bidding goals for App campaigns for installs.

Also in v22 per secondary coverage: customer retention goals in Unified Goals and new asset automation types for generating design versions and videos. v22 sunset: October 7, 2026.