Today, we’re announcing the v16 release of the Google Ads API . To use some of the v16 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 
Here are the highlights:
  Added the following recommendation types: MAXIMIZE_CONVERSION_VALUE_OPT_INIMPROVE_GOOGLE_TAG_COVERAGEPERFORMANCE_MAX_FINAL_URL_OPT_INREFRESH_CUSTOMER_MATCH_LISTCUSTOM_AUDIENCE_OPT_INLEAD_FORM_ASSETIMPROVE_DEMAND_GEN_AD_STRENGTH 
  Added RecommendationService.GenerateRecommendations() 
  Added support for time-related segments, such as segments.yearsegments.monthasset_group 
  Migrated advertising_partner from AccountLinkProductLinkProductLinkInvitationdata_partner and google_ads from AccountLink 
  Added primary_status and primary_status_reasons to AdGroupAdGroupAd 
  Added support for advertiser verification  by adding IdentityVerificationServiceverification_program 
  Added support for setting Campaign.shopping_setting 
  Added Experiment.sync_enabled 
  Recommended keywords with unset keyword match type will now have recommended_match_typeUNSPECIFIED instead of UNKNOWN. 
  Updated the operation types for customer life cycle goals and campaign life cycle goals to make them consistent with other operation types. 
  Added support for tracking the progress of the business registration verification process of Local Services using LocalServicesVerificationArtifact.business_registration_check_verification_artifact 
  Added a new report local_services_employee 
 
Where can I learn more? forum .