diff --git a/wp-admin/css/code-editor-rtl.css b/wp-admin/css/code-editor-rtl.css
index a33caa0d22..f3bbd36bae 100644
--- a/wp-admin/css/code-editor-rtl.css
+++ b/wp-admin/css/code-editor-rtl.css
@@ -70,3 +70,7 @@
 .CodeMirror {
 	text-align: right;
 }
+
+.wrap .CodeMirror .CodeMirror-linenumber { 
+    color: #666; 
+}
diff --git a/wp-admin/css/code-editor-rtl.min.css b/wp-admin/css/code-editor-rtl.min.css
index 984f3afa26..b3cb2d9598 100644
--- a/wp-admin/css/code-editor-rtl.min.css
+++ b/wp-admin/css/code-editor-rtl.min.css
@@ -1,2 +1,2 @@
 /*! This file is auto-generated */
-.wp-core-ui [class*=CodeMirror-lint-message],.wrap .CodeMirror-lint-marker-multiple,.wrap [class*=CodeMirror-lint-marker]{background-image:none}.wp-core-ui .CodeMirror-lint-marker-error,.wp-core-ui .CodeMirror-lint-marker-warning{cursor:help}.wrap .CodeMirror-lint-marker-multiple{position:absolute;top:0}.wrap [class*=CodeMirror-lint-marker]:before{font:normal 18px/1 dashicons;position:relative;top:-2px}.wp-core-ui [class*=CodeMirror-lint-message]:before{font:normal 16px/1 dashicons;right:16px;position:absolute}.wp-core-ui .CodeMirror-lint-message-error,.wp-core-ui .CodeMirror-lint-message-warning{box-shadow:0 1px 1px 0 rgba(0,0,0,.1);margin:5px 0 2px;padding:3px 28px 3px 12px}.wp-core-ui .CodeMirror-lint-message-warning{background-color:#fff8e5;border-right:4px solid #ffb900}.wp-core-ui .CodeMirror-lint-message-warning:before,.wrap .CodeMirror-lint-marker-warning:before{content:"\f534";color:#f6a306}.wp-core-ui .CodeMirror-lint-message-error{background-color:#fbeaea;border-right:4px solid #dc3232}.wp-core-ui .CodeMirror-lint-message-error:before,.wrap .CodeMirror-lint-marker-error:before{content:"\f153";color:#dc3232}.wp-core-ui .CodeMirror-lint-tooltip{background:0 0;border:none;border-radius:0;direction:rtl}.wrap .CodeMirror .CodeMirror-matchingbracket{background:rgba(255,150,0,.3);color:inherit}.CodeMirror{text-align:right}
\ No newline at end of file
+.wp-core-ui [class*=CodeMirror-lint-message],.wrap .CodeMirror-lint-marker-multiple,.wrap [class*=CodeMirror-lint-marker]{background-image:none}.wp-core-ui .CodeMirror-lint-marker-error,.wp-core-ui .CodeMirror-lint-marker-warning{cursor:help}.wrap .CodeMirror-lint-marker-multiple{position:absolute;top:0}.wrap [class*=CodeMirror-lint-marker]:before{font:normal 18px/1 dashicons;position:relative;top:-2px}.wp-core-ui [class*=CodeMirror-lint-message]:before{font:normal 16px/1 dashicons;right:16px;position:absolute}.wp-core-ui .CodeMirror-lint-message-error,.wp-core-ui .CodeMirror-lint-message-warning{box-shadow:0 1px 1px 0 rgba(0,0,0,.1);margin:5px 0 2px;padding:3px 28px 3px 12px}.wp-core-ui .CodeMirror-lint-message-warning{background-color:#fff8e5;border-right:4px solid #ffb900}.wp-core-ui .CodeMirror-lint-message-warning:before,.wrap .CodeMirror-lint-marker-warning:before{content:"\f534";color:#f6a306}.wp-core-ui .CodeMirror-lint-message-error{background-color:#fbeaea;border-right:4px solid #dc3232}.wp-core-ui .CodeMirror-lint-message-error:before,.wrap .CodeMirror-lint-marker-error:before{content:"\f153";color:#dc3232}.wp-core-ui .CodeMirror-lint-tooltip{background:0 0;border:none;border-radius:0;direction:rtl}.wrap .CodeMirror .CodeMirror-matchingbracket{background:rgba(255,150,0,.3);color:inherit}.CodeMirror{text-align:right}.wrap .CodeMirror .CodeMirror-linenumber{color:#666}
\ No newline at end of file
diff --git a/wp-admin/css/code-editor.css b/wp-admin/css/code-editor.css
index 3c2f5e562f..c177a8b0cd 100644
--- a/wp-admin/css/code-editor.css
+++ b/wp-admin/css/code-editor.css
@@ -70,3 +70,7 @@
 .CodeMirror {
 	text-align: left;
 }
+
+.wrap .CodeMirror .CodeMirror-linenumber { 
+    color: #666; 
+}
diff --git a/wp-admin/css/code-editor.min.css b/wp-admin/css/code-editor.min.css
index becabacfae..1032975f28 100644
--- a/wp-admin/css/code-editor.min.css
+++ b/wp-admin/css/code-editor.min.css
@@ -1,2 +1,2 @@
 /*! This file is auto-generated */
-.wp-core-ui [class*=CodeMirror-lint-message],.wrap .CodeMirror-lint-marker-multiple,.wrap [class*=CodeMirror-lint-marker]{background-image:none}.wp-core-ui .CodeMirror-lint-marker-error,.wp-core-ui .CodeMirror-lint-marker-warning{cursor:help}.wrap .CodeMirror-lint-marker-multiple{position:absolute;top:0}.wrap [class*=CodeMirror-lint-marker]:before{font:normal 18px/1 dashicons;position:relative;top:-2px}.wp-core-ui [class*=CodeMirror-lint-message]:before{font:normal 16px/1 dashicons;left:16px;position:absolute}.wp-core-ui .CodeMirror-lint-message-error,.wp-core-ui .CodeMirror-lint-message-warning{box-shadow:0 1px 1px 0 rgba(0,0,0,.1);margin:5px 0 2px;padding:3px 12px 3px 28px}.wp-core-ui .CodeMirror-lint-message-warning{background-color:#fff8e5;border-left:4px solid #ffb900}.wp-core-ui .CodeMirror-lint-message-warning:before,.wrap .CodeMirror-lint-marker-warning:before{content:"\f534";color:#f6a306}.wp-core-ui .CodeMirror-lint-message-error{background-color:#fbeaea;border-left:4px solid #dc3232}.wp-core-ui .CodeMirror-lint-message-error:before,.wrap .CodeMirror-lint-marker-error:before{content:"\f153";color:#dc3232}.wp-core-ui .CodeMirror-lint-tooltip{background:0 0;border:none;border-radius:0;direction:ltr}.wrap .CodeMirror .CodeMirror-matchingbracket{background:rgba(255,150,0,.3);color:inherit}.CodeMirror{text-align:left}
\ No newline at end of file
+.wp-core-ui [class*=CodeMirror-lint-message],.wrap .CodeMirror-lint-marker-multiple,.wrap [class*=CodeMirror-lint-marker]{background-image:none}.wp-core-ui .CodeMirror-lint-marker-error,.wp-core-ui .CodeMirror-lint-marker-warning{cursor:help}.wrap .CodeMirror-lint-marker-multiple{position:absolute;top:0}.wrap [class*=CodeMirror-lint-marker]:before{font:normal 18px/1 dashicons;position:relative;top:-2px}.wp-core-ui [class*=CodeMirror-lint-message]:before{font:normal 16px/1 dashicons;left:16px;position:absolute}.wp-core-ui .CodeMirror-lint-message-error,.wp-core-ui .CodeMirror-lint-message-warning{box-shadow:0 1px 1px 0 rgba(0,0,0,.1);margin:5px 0 2px;padding:3px 12px 3px 28px}.wp-core-ui .CodeMirror-lint-message-warning{background-color:#fff8e5;border-left:4px solid #ffb900}.wp-core-ui .CodeMirror-lint-message-warning:before,.wrap .CodeMirror-lint-marker-warning:before{content:"\f534";color:#f6a306}.wp-core-ui .CodeMirror-lint-message-error{background-color:#fbeaea;border-left:4px solid #dc3232}.wp-core-ui .CodeMirror-lint-message-error:before,.wrap .CodeMirror-lint-marker-error:before{content:"\f153";color:#dc3232}.wp-core-ui .CodeMirror-lint-tooltip{background:0 0;border:none;border-radius:0;direction:ltr}.wrap .CodeMirror .CodeMirror-matchingbracket{background:rgba(255,150,0,.3);color:inherit}.CodeMirror{text-align:left}.wrap .CodeMirror .CodeMirror-linenumber{color:#666}
\ No newline at end of file
diff --git a/wp-includes/version.php b/wp-includes/version.php
index dd29996d8b..5ff1c58dd2 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-43697';
+$wp_version = '5.0-alpha-43700';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.