Today, we’re announcing the v19 release of the Google Ads API . To use some of the v19 features, you will need to upgrade your client libraries  and client code. The updated client libraries and code examples will be published next week.VIDEO 
  Added support automatically generating enhanced  video assets for Performance Max campaigns. 
  Removed all feed-related entities from the Google Ads API like Feed, FeedMapping, FeedService, AdGroupFeed, feed_placeholder_view. Users should now use assets  to achieve the same purpose. 
  Demand Gen ads now support 9:16 portrait image assets. Use DemandGenMultiAssetAdInfo.tall_portrait_marketing_images 
  Added more methods to DataLinkServiceDataLink 
  ValueRuleItineraryAdvanceBookingWindowRemoved support for VIDEO_OUTSTREAM. 
  (For allowlisted accounts only) Updates to brand guidelines
    
      Brand guidelines can now be enabled for Performance Max campaigns during campaign creation. We also added a new CampaignService.EnablePMaxBrandGuidelines 
      You can set the brand guidelines’ details such as font family and colors using Campaign.brand_guidelines 
      
  (For allowlisted accounts only) Added support for message assets  through Asset.business_message_asset 
 
Where can I learn more? forum .