/common/metrics.proto

--- v18/common/metrics.proto    2025-08-05 14:36:11.000000000 +0000
+++ v19/common/metrics.proto    2025-08-05 14:36:14.000000000 +0000
@@ -232,6 +232,10 @@
   // Number of in-app actions.
   optional double biddable_app_post_install_conversions = 255;

+  // Participated in-app actions. The number of in app actions that come
+  // directly or indirectly from the campaign.
+  optional double biddable_cohort_app_post_install_conversions = 378;
+
   // An indication on how other advertisers' Shopping ads for similar products
   // are performing based on how often people who see their ad click on it.
   optional double benchmark_ctr = 211;
@@ -1224,6 +1228,20 @@
   // The number of video views divided by number of impressions that can
   // potentially lead to video views for in shorts formats.
   optional double video_view_rate_shorts = 369;
+
+  // All co-viewed impressions represent the total number of people who saw your
+  // ad. This includes people who are signed into their Google Account, as well
+  // as other people who are watching the same ad on a connected TV. This metric
+  // is only available for the Campaign resource with adjusted_age_range and
+  // adjusted_gender segments. These segmentations are mandatory to get the
+  // all coviewed impressions.
+  optional int64 coviewed_impressions = 380;
+
+  // Primary impression is counted each time your ad is served. This metric is
+  // only available for the Campaign resource with adjusted_age_range and
+  // adjusted_gender segments. These segmentations are mandatory to get the
+  // primary impressions.
+  optional int64 primary_impressions = 381;
 }

 // Search volume range.