/enums/audience_insights_dimension.proto 

--- v19/enums/audience_insights_dimension.proto 2025-08-05 14:37:36.000000000 +0000
+++ v20/enums/audience_insights_dimension.proto 2025-08-05 14:37:42.000000000 +0000
@@ -52,9 +52,6 @@
     // A YouTube channel.
     YOUTUBE_CHANNEL = 6;

-    // A YouTube Dynamic Lineup.
-    YOUTUBE_DYNAMIC_LINEUP = 7;
-
     // An Affinity UserInterest.
     AFFINITY_USER_INTEREST = 8;

@@ -75,5 +72,11 @@

     // A YouTube video.
     YOUTUBE_VIDEO = 14;
+
+    // A device type, such as Mobile, Desktop, Tablet, and Connected TV.
+    DEVICE = 15;
+
+    // A YouTube Lineup.
+    YOUTUBE_LINEUP = 16;
   }
 }