Ticket #27761: 27761.3.diff

src/wp-admin/js/dashboard.js

@@ -124 +124 @@
         $( '.meta-box-sortables' ).sortable( 'option', 'containment', 'document' );
 
         function autoResizeTextarea() {
+                if ( document.documentMode && document.documentMode < 9 ) {
+                        return;
+                }
+
                 // Add a hidden div. We'll copy over the text from the textarea to measure its height.
                 $('body').append( '<div class="quick-draft-textarea-clone" style="display: none;"></div>' );