diff --git a/wp-includes/js/tinymce/plugins/wptextpattern/plugin.js b/wp-includes/js/tinymce/plugins/wptextpattern/plugin.js
index f1962a248a..5886b1616a 100644
--- a/wp-includes/js/tinymce/plugins/wptextpattern/plugin.js
+++ b/wp-includes/js/tinymce/plugins/wptextpattern/plugin.js
@@ -13,6 +13,7 @@
 ( function( tinymce, setTimeout ) {
 	tinymce.PluginManager.add( 'wptextpattern', function( editor ) {
 		var $$ = editor.$,
+			VK = tinymce.util.VK,
 			patterns = [],
 			canUndo = false;
 
@@ -52,7 +53,7 @@
 		} );
 
 		editor.on( 'keydown', function( event ) {
-			if ( canUndo && event.keyCode === tinymce.util.VK.BACKSPACE ) {
+			if ( canUndo && ( event.keyCode === VK.BACKSPACE || event.keyCode === 27 /* ESCAPE */ ) ) {
 				editor.undoManager.undo();
 				event.preventDefault();
 			}
@@ -61,7 +62,7 @@
 		editor.on( 'keyup', function( event ) {
 			var rng, node, text, parent, child;
 
-			if ( event.keyCode !== tinymce.util.VK.SPACEBAR ) {
+			if ( event.keyCode !== VK.SPACEBAR ) {
 				return;
 			}
 
diff --git a/wp-includes/js/tinymce/plugins/wptextpattern/plugin.min.js b/wp-includes/js/tinymce/plugins/wptextpattern/plugin.min.js
index 1e3e7c867c..fdf5a65b71 100644
--- a/wp-includes/js/tinymce/plugins/wptextpattern/plugin.min.js
+++ b/wp-includes/js/tinymce/plugins/wptextpattern/plugin.min.js
@@ -1 +1 @@
-!function(a,b){a.PluginManager.add("wptextpattern",function(c){function d(a,b){f.push({regExp:a,callback:b})}var e=c.$,f=[],g=!1;d(/^[*-]\s/,function(){this.execCommand("InsertUnorderedList")}),d(/^1[.)]\s/,function(){this.execCommand("InsertOrderedList")}),d(/^>\s/,function(){this.formatter.toggle("blockquote")}),d(/^(#{2,6})\s/,function(){this.formatter.toggle("h"+arguments[1].length)}),c.on("selectionchange",function(){g=!1}),c.on("keydown",function(b){g&&b.keyCode===a.util.VK.BACKSPACE&&(c.undoManager.undo(),b.preventDefault())}),c.on("keyup",function(d){var h,i,j,k,l;if(d.keyCode===a.util.VK.SPACEBAR&&(h=c.selection.getRng(),i=h.startContainer,i&&3===i.nodeType&&(j=i.nodeValue,k=c.dom.getParent(i,"p")))){for(;(l=k.firstChild)&&3!==l.nodeType;)k=l;l.nodeValue||(l=l.nextSibling),l===i&&a.each(f,function(a){var d,f=j.replace(a.regExp,function(){return d=arguments,""});if(j!==f&&h.startOffset===j.length-f.length)return c.undoManager.add(),c.undoManager.transact(function(){var b;f?e(i).replaceWith(document.createTextNode(f)):(b=e(i.parentNode),e(i).remove(),b.html()||b.append("<br>")),c.selection.setCursorLocation(k),a.callback.apply(c,d)}),b(function(){g=!0}),!1})}})})}(window.tinymce,window.setTimeout);
\ No newline at end of file
+!function(a,b){a.PluginManager.add("wptextpattern",function(c){function d(a,b){g.push({regExp:a,callback:b})}var e=c.$,f=a.util.VK,g=[],h=!1;d(/^[*-]\s/,function(){this.execCommand("InsertUnorderedList")}),d(/^1[.)]\s/,function(){this.execCommand("InsertOrderedList")}),d(/^>\s/,function(){this.formatter.toggle("blockquote")}),d(/^(#{2,6})\s/,function(){this.formatter.toggle("h"+arguments[1].length)}),c.on("selectionchange",function(){h=!1}),c.on("keydown",function(a){!h||a.keyCode!==f.BACKSPACE&&27!==a.keyCode||(c.undoManager.undo(),a.preventDefault())}),c.on("keyup",function(d){var i,j,k,l,m;if(d.keyCode===f.SPACEBAR&&(i=c.selection.getRng(),j=i.startContainer,j&&3===j.nodeType&&(k=j.nodeValue,l=c.dom.getParent(j,"p")))){for(;(m=l.firstChild)&&3!==m.nodeType;)l=m;m.nodeValue||(m=m.nextSibling),m===j&&a.each(g,function(a){var d,f=k.replace(a.regExp,function(){return d=arguments,""});if(k!==f&&i.startOffset===k.length-f.length)return c.undoManager.add(),c.undoManager.transact(function(){var b;f?e(j).replaceWith(document.createTextNode(f)):(b=e(j.parentNode),e(j).remove(),b.html()||b.append("<br>")),c.selection.setCursorLocation(l),a.callback.apply(c,d)}),b(function(){h=!0}),!1})}})})}(window.tinymce,window.setTimeout);
\ No newline at end of file
diff --git a/wp-includes/js/tinymce/wp-tinymce.js.gz b/wp-includes/js/tinymce/wp-tinymce.js.gz
index 62afa32b62..e91ddfc955 100644
Binary files a/wp-includes/js/tinymce/wp-tinymce.js.gz and b/wp-includes/js/tinymce/wp-tinymce.js.gz differ
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 86c40dacc4..67e364b9c6 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-alpha-32835';
+$wp_version = '4.3-alpha-32836';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.