diff --git a/wp-includes/vars.php b/wp-includes/vars.php
index 828fbbb4ab..d894884c48 100644
--- a/wp-includes/vars.php
+++ b/wp-includes/vars.php
@@ -16,7 +16,7 @@
  */
 
 global $pagenow,
-	$is_lynx, $is_gecko, $is_winIE, $is_macIE, $is_opera, $is_NS4, $is_safari, $is_chrome, $is_iphone, $is_IE,
+	$is_lynx, $is_gecko, $is_winIE, $is_macIE, $is_opera, $is_NS4, $is_safari, $is_chrome, $is_iphone, $is_IE, $is_edge,
 	$is_apache, $is_IIS, $is_iis7, $is_nginx;
 
 // On which page are we ?
@@ -48,11 +48,13 @@ if ( is_admin() ) {
 unset($self_matches);
 
 // Simple browser detection
-$is_lynx = $is_gecko = $is_winIE = $is_macIE = $is_opera = $is_NS4 = $is_safari = $is_chrome = $is_iphone = false;
+$is_lynx = $is_gecko = $is_winIE = $is_macIE = $is_opera = $is_NS4 = $is_safari = $is_chrome = $is_iphone = $is_edge = false;
 
 if ( isset($_SERVER['HTTP_USER_AGENT']) ) {
 	if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Lynx') !== false ) {
 		$is_lynx = true;
+	} elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Edge' ) !== false ) {
+		$is_edge = true;
 	} elseif ( stripos($_SERVER['HTTP_USER_AGENT'], 'chrome') !== false ) {
 		if ( stripos( $_SERVER['HTTP_USER_AGENT'], 'chromeframe' ) !== false ) {
 			$is_admin = is_admin();
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 7c8eece6a3..3993b0db1e 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-33926';
+$wp_version = '4.4-alpha-33927';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.