Today, we’re announcing the v20 release of the Google Ads API . To use some of the v20 features, you must upgrade your client libraries  and client code. The updated client libraries and code examples will be published next week.VIDEO 
  You can now add campaign level negative keywords  to your Performance Max campaigns. 
  Report segmentation by ad_network_type for Demand Gen campaigns is now more granular, and is split between YOUTUBE, MAPS, DISCOVER and GMAIL instead of aggregating all data under the GOOGLE_OWNED_NETWORKS segment. 
  Demand Gen campaigns now support the platform comparable conversions  measurement in the API. 
  Gain deeper insights into YouTube Select Lineups, now accessible through a new dimension in the AudienceInsightsService. This feature  is only available to accounts on an allowlist. 
  Target your reach forecasts  more effectively with the ability to plan based on your own first-party user lists. Reach forecasting  is available to allowlisted accounts only. 
  Analyze your audience data with greater precision using new device segmentation, additional video metrics, and the ability to refine searches by sub-country locations. See Planning  in the release notes for more details. This feature  is only available to accounts on an allowlist. 
 
Where can I learn more? forum .Anash P. Oommen , Google Ads API Team