Google Ads API v24.1 released with expanded experiments and a mobile device platform segment

v24.1 added segments.mobile_device_platform (iOS/Android), classic_display_images for Demand Gen multi-asset ads on the Display Network, a passkey_enabled field, the REQUESTED_DATE_GRANULARITY_NOT_SUPPORTED error, and a revamped experiments feature set with direct experiment statistics and new experiment types for AI Max, broad match, Video/Demand Gen, Performance Max replacement and PMax asset optimization.

Experiment reporting now exposes control-arm stats, jackknife point estimates, margin of error and p-values directly through the API. New experiment types per release notes include ADOPT_AI_MAX, ADOPT_BROAD_MATCH_KEYWORDS and OPTIMIZE_ASSETS.