diff --git a/api/XRAnchorSet.json b/api/XRAnchorSet.json
index b9186c94374c5..c6d43f337795b 100644
--- a/api/XRAnchorSet.json
+++ b/api/XRAnchorSet.json
@@ -238,6 +238,40 @@
             "deprecated": false
           }
         }
+      },
+      "@@iterator": {
+        "__compat": {
+          "support": {
+            "chrome": {
+              "version_added": "85"
+            },
+            "chrome_android": "mirror",
+            "edge": "mirror",
+            "firefox": {
+              "version_added": false
+            },
+            "firefox_android": "mirror",
+            "ie": {
+              "version_added": false
+            },
+            "oculus": "mirror",
+            "opera": "mirror",
+            "opera_android": "mirror",
+            "safari": {
+              "version_added": false
+            },
+            "safari_ios": "mirror",
+            "samsunginternet_android": "mirror",
+            "webview_android": {
+              "version_added": false
+            }
+          },
+          "status": {
+            "experimental": true,
+            "standard_track": true,
+            "deprecated": false
+          }
+        }
       }
     }
   }