diff --git a/HISTORY.md b/HISTORY.md
index 9fdc71d9..d70da439 100755
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -4,6 +4,7 @@
 
 * **Notable Changes:**
     * added "loadProjectXML" method to the api
+    * hyperized "atrribute OF sprite" reporter primitive in the sensing category
 * **Documentation Updates:**
     * API update for "loadProjectXML"
 
@@ -11,6 +12,7 @@
 * new dev version
 * api: new loadProjectXML() method
 * updated api documentation
+* threads: hyperized "atrribute OF sprite" reporter primitive
 
 ## 6.3.6
 * **Notable Changes:**
diff --git a/snap.html b/snap.html
index fd605a4f..48744531 100755
--- a/snap.html
+++ b/snap.html
@@ -9,7 +9,7 @@
         <script src="src/symbols.js?version=2020-10-07"></script>
         <script src="src/widgets.js?version=2020-10-06"></script>
         <script src="src/blocks.js?version=2020-11-17"></script>
-        <script src="src/threads.js?version=2020-11-20"></script>
+        <script src="src/threads.js?version=2020-11-21"></script>
         <script src="src/objects.js?version=2020-11-20"></script>
         <script src="src/gui.js?version=2020-11-21"></script>
         <script src="src/paint.js?version=2020-05-17"></script>
diff --git a/src/threads.js b/src/threads.js
index 163a4e54..c5652a5e 100644
--- a/src/threads.js
+++ b/src/threads.js
@@ -61,7 +61,7 @@ StageMorph, SpriteMorph, StagePrompterMorph, Note, modules, isString, copy, Map,
 isNil, WatcherMorph, List, ListWatcherMorph, alert, console, TableMorph, BLACK,
 TableFrameMorph, ColorSlotMorph, isSnapObject, newCanvas, Symbol, SVG_Costume*/
 
-modules.threads = '2020-November-20';
+modules.threads = '2020-November-21';
 
 var ThreadManager;
 var Process;
@@ -4777,6 +4777,19 @@ Process.prototype.reportDirectionTo = function (name) {
 };
 
 Process.prototype.reportAttributeOf = function (attribute, name) {
+    // hyper-dyadic
+    // note: specifying strings in the left input only accesses
+    // sprite-local variables. Attributes such as "width", "direction" etc.
+    // can only be queried via the dropdown menu and are, therefore, not
+    // reachable as dyadic inputs
+    return this.hyperDyadic(
+        (att, obj) => this.reportBasicAttributeOf(att, obj),
+        attribute,
+        name
+    );
+};
+
+Process.prototype.reportBasicAttributeOf = function (attribute, name) {
     var thisObj = this.blockReceiver(),
         thatObj,
         stage;