Ticket #32128: 32128.patch

src/wp-includes/js/wp-emoji.js

@@ -61 +61 @@
                         if ( MutationObserver ) {
                                 new MutationObserver( function( mutationRecords ) {
                                         var i = mutationRecords.length,
-                                                ii, node;
+                                                addedNodes, removedNodes, ii, node;
 
                                         while ( i-- ) {
-                                                ii = mutationRecords[ i ].addedNodes.length;
+                                                addedNodes = mutationRecords[ i ].addedNodes;
+                                                removedNodes = mutationRecords[ i ].removedNodes;
+                                                ii = addedNodes.length;
+
+                                                if (
+                                                        ii === 1 && removedNodes.length === 1 &&
+                                                        addedNodes[0].nodeType === 3 &&
+                                                        removedNodes[0].nodeName === 'IMG' &&
+                                                        addedNodes[0].data === removedNodes[0].alt
+                                                ) {
+                                                        return;
+                                                }
 
                                                 while ( ii-- ) {
-                                                        node = mutationRecords[ i ].addedNodes[ ii ];
+                                                        node = addedNodes[ ii ];
 
                                                         if ( node.nodeType === 3 ) {
                                                                 node = node.parentNode;