diff --git a/changelog.txt b/changelog.txt
index 79025147..7bbc562c 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -22,6 +22,9 @@ OPENSEADRAGON CHANGELOG
 * Added pointerType property to Viewer container-enter, container-exit, canvas-drag, canvas-drag-end, canvas-pinch events
 * MouseTracker: Fire dragEndHandler event even if release point same as initial contact point (#1459)
 * MouseTracker: Pointer capture implemented with capture APIs where available. Only fallback to emulated capture on extremely old browsers
+* MouseTracker: Added preProcessEventHandler option to allow MouseTracker instances to control bubbling and default behavior of events on their associated element
+* Updated Viewer, Button, Drawer, Navigator, ReferenceStrip DOM for proper DOM event handling
+* Added OpenSeadragon.setElementPointerEventsNone() for setting pointer-events:'none' on DOM elements
 
 2.4.2:
 
diff --git a/src/mousetracker.js b/src/mousetracker.js
index 33a6e880..0ebf03a0 100644
--- a/src/mousetracker.js
+++ b/src/mousetracker.js
@@ -4218,10 +4218,11 @@
 
         if ( updateGPoint ) {
             stopTrackingPointer( pointsList, updateGPoint );
-        } else {
-            // should never get here?
-            $.console.warn('updatePointerUp(): pointerup on untracked gPoint');
         }
+        //else {
+        //    // should never get here?
+        //    $.console.warn('updatePointerCancel(): pointercancel on untracked gPoint');
+        //}
     }