Tag 4.9.3

Built from https://develop.svn.wordpress.org/tags/4.9.3@42651


git-svn-id: http://core.svn.wordpress.org/tags/4.9.3@42480 1a063a9b-81f0-0310-95a4-ce76da25c4cd

license.txt

@@ -1,6 +1,6 @@
 WordPress - Web publishing software
 
-Copyright 2011-2017 by the contributors
+Copyright 2011-2018 by the contributors
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

wp-admin/about.php

@@ -30,6 +30,64 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 			<a href="privacy.php" class="nav-tab"><?php _e( 'Privacy' ); ?></a>
 		</h2>
 
+		<div class="changelog point-releases">
+			<h3><?php _e( 'Maintenance and Security Releases' ); ?></h3>
+			<p>
+				<?php
+				printf(
+					/* translators: 1: WordPress version number, 2: plural number of bugs. */
+					_n(
+						'<strong>Version %1$s</strong> addressed %2$s bug.',
+						'<strong>Version %1$s</strong> addressed %2$s bugs.',
+						34
+					),
+					'4.9.3',
+					number_format_i18n( 34 )
+				);
+				?>
+				<?php
+				/* translators: %s: Codex URL */
+				printf( __( 'For more information, see <a href="%s">the release notes</a>.' ), 'https://codex.wordpress.org/Version_4.9.3' );
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: 1: WordPress version number, 2: plural number of bugs. */
+					_n(
+						'<strong>Version %1$s</strong> addressed some security issues and fixed %2$s bug.',
+						'<strong>Version %1$s</strong> addressed some security issues and fixed %2$s bugs.',
+						22
+					),
+					'4.9.2',
+					number_format_i18n( 22 )
+				);
+				?>
+				<?php
+				/* translators: %s: Codex URL */
+				printf( __( 'For more information, see <a href="%s">the release notes</a>.' ), 'https://codex.wordpress.org/Version_4.9.2' );
+				?>
+			</p>
+			<p>
+				<?php
+				printf(
+					/* translators: 1: WordPress version number, 2: plural number of bugs. */
+					_n(
+						'<strong>Version %1$s</strong> addressed some security issues and fixed %2$s bug.',
+						'<strong>Version %1$s</strong> addressed some security issues and fixed %2$s bugs.',
+						11
+					),
+					'4.9.1',
+					number_format_i18n( 11 )
+				);
+				?>
+				<?php
+				/* translators: %s: Codex URL */
+				printf( __( 'For more information, see <a href="%s">the release notes</a>.' ), 'https://codex.wordpress.org/Version_4.9.1' );
+				?>
+			</p>
+		</div>
+
 		<div class="feature-section one-col">
 			<div class="col">
 				<h2>
@@ -53,7 +111,9 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 		</div>
 
 		<div class="floating-header-section">
-			<h2><?php _e( 'Customizer Workflow Improved' ); ?></h2>
+			<div class="section-header">
+				<h2><?php _e( 'Customizer Workflow Improved' ); ?></h2>
+			</div>
 
 			<div class="section-content">
 				<div class="section-item">
@@ -88,7 +148,9 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 		</div>
 
 		<div class="floating-header-section">
-			<h2><?php _e( 'Coding Enhancements' ); ?></h2>
+			<div class="section-header">
+				<h2><?php _e( 'Coding Enhancements' ); ?></h2>
+			</div>
 
 			<div class="section-content">
 				<div class="section-item">
@@ -116,7 +178,9 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 		</div>
 
 		<div class="floating-header-section">
-			<h2><?php _e( 'Even More Widget Updates' ); ?></h2>
+			<div class="section-header">
+				<h2><?php _e( 'Even More Widget Updates' ); ?></h2>
+			</div>
 
 			<div class="section-content">
 				<div class="section-item">
@@ -137,7 +201,9 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 		</div>
 
 		<div class="floating-header-section">
-			<h2><?php _e( 'Site Building Improvements' ); ?></h2>
+			<div class="section-header">
+				<h2><?php _e( 'Site Building Improvements' ); ?></h2>
+			</div>
 
 			<div class="section-content">
 				<div class="section-item">
@@ -211,7 +277,7 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 					<p><?php _e( 'WordPress 4.9 includes an upgraded version of MediaElement.js, which removes dependencies on jQuery, improves accessibility, modernizes the UI, and fixes many bugs.' ); ?></p>
 				</div>
 				<div class="col">
-					<h3><a href="https://make.wordpress.org/core/2017/10/15/improvements-for-roles-and-capabilities-in-4-9/"><?php _e( 'Roles and Capability Improvements' ); ?></a></h3>
+					<h3><a href="https://make.wordpress.org/core/2017/10/15/improvements-for-roles-and-capabilities-in-4-9/"><?php _e( 'Improvements to Roles and Capabilities' ); ?></a></h3>
 					<p><?php _e( 'New capabilities have been introduced that allow granular management of plugins and translation files. In addition, the site switching process in multisite has been fine-tuned to update the available roles and capabilities in a more reliable and coherent way.' ); ?></p>
 				</div>
 			</div>
@@ -242,34 +308,78 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 					offset += $adminbar.height();
 				}
 
-				var adjustScrollClass = _.throttle( function adjustScrollClass() {
+				function setup() {
+					$sections.each( function( i, section ) {
+						var $section = $( section );
+						// If the title is long, switch the layout
+						var $title = $section.find( 'h2' );
+						if ( $title.innerWidth() > 300 ) {
+							$section.addClass( 'has-long-title' );
+						}
+					} );
+				}
+
+				var adjustScrollPosition = _.throttle( function adjustScrollPosition() {
 					$sections.each( function( i, section ) {
 						var $section = $( section );
 						var $header = $section.find( 'h2' );
 						var width = $header.innerWidth();
+						var height = $header.innerHeight();
+
+						if ( $section.hasClass( 'has-long-title' ) ) {
+							return;
+						}
 
 						var sectionStart = $section.offset().top - offset;
-						var sectionEnd = sectionStart + $section.innerHeight() - 60;
+						var sectionEnd = sectionStart + $section.innerHeight();
+						var scrollPos = $window.scrollTop();
 
 						// If we're scrolled into a section, stick the header
-						if ( $window.scrollTop() >= sectionStart && $window.scrollTop() < sectionEnd ) {
-							$header.addClass( 'header-fixed' );
-							$header.css( { top: offset + 'px', width: width + 'px' } );
+						if ( scrollPos >= sectionStart && scrollPos < sectionEnd - height ) {
+							$header.css( {
+								position: 'fixed',
+								top: offset + 'px',
+								bottom: 'auto',
+								width: width + 'px'
+							} );
+						// If we're at the end of the section, stick the header to the bottom
+						} else if ( scrollPos >= sectionEnd - height && scrollPos < sectionEnd ) {
+							$header.css( {
+								position: 'absolute',
+								top: 'auto',
+								bottom: 0,
+								width: width + 'px'
+							} );
+						// Unstick the header
 						} else {
-							$header.removeClass( 'header-fixed' );
-							$header.css( { top: 0, width: 'auto' } );
+							$header.css( {
+								position: 'static',
+								top: 'auto',
+								bottom: 'auto',
+								width: 'auto'
+							} );
 						}
 					} );
 				}, 100 );
+
 				function enableFixedHeaders() {
 					if ( $window.width() > 782 ) {
-						adjustScrollClass();
-						$window.on( 'scroll', adjustScrollClass );
+						setup();
+						adjustScrollPosition();
+						$window.on( 'scroll', adjustScrollPosition );
 					} else {
-						$window.off( 'scroll', adjustScrollClass );
+						$window.off( 'scroll', adjustScrollPosition );
+						$sections.find( '.section-header' )
+							.css( {
+								width: 'auto'
+							} );
 						$sections.find( 'h2' )
-							.removeClass( 'header-fixed' )
-							.css( { top: 0, width: 'auto' } );
+							.css( {
+								position: 'static',
+								top: 'auto',
+								bottom: 'auto',
+								width: 'auto'
+							} );
 					}
 				}
 				$( window ).resize( enableFixedHeaders );

wp-admin/credits.php

@@ -20,7 +20,7 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 
 <h1><?php printf( __( 'Welcome to WordPress %s' ), $display_version ); ?></h1>
 
-<p class="about-text"><?php printf( __( 'Thank you for updating to the latest version! WordPress %s adds more ways for you to express yourself and represent your brand.' ), $display_version ); ?></p>
+<p class="about-text"><?php printf( __( 'Thank you for updating to the latest version! WordPress %s will smooth your design workflow and keep you safe from coding errors.' ), $display_version ); ?></p>
 
 <div class="wp-badge"><?php printf( __( 'Version %s' ), $display_version ); ?></div>
 

wp-admin/css/about-rtl.css

@@ -172,8 +172,6 @@
 	display: flex;
 	-webkit-box-pack: justify;
 	justify-content: space-between;
-	-webkit-box-align: center;
-	align-items: center;
 	flex-wrap: wrap;
 }
 
@@ -262,8 +260,10 @@
 
 .about-wrap .two-col-text {
 	-webkit-column-count: 2;
+	-moz-column-count: 2;
 	column-count: 2;
 	-webkit-column-gap: 40px;
+	-moz-column-gap: 40px;
 	column-gap: 40px;
 }
 
@@ -357,37 +357,87 @@
 /* 2.3 Floating Header Layout */
 
 .about-wrap .floating-header-section {
+	display: -ms-grid;
 	display: grid;
 	grid-gap: 0 60px;
+	-ms-grid-columns: 5fr 11fr;
 	grid-template-columns: 5fr 11fr;
 	max-width: 1020px;
 	margin: 0 auto 120px;
 }
 
-.about-wrap .floating-header-section h2 {
+.about-wrap .floating-header-section .section-header {
+	-ms-grid-column: 1;
 	grid-column: 1;
-	text-align: right;
-	margin: 0;
+	position: relative;
+	min-width: 230px;
+	max-width: 300px;
 }
 
-.about-wrap .floating-header-section .header-fixed {
-	position: fixed;
-	width: 300px;
+.about-wrap .floating-header-section h2 {
+	margin: 0;
+	text-align: right;
+	position: absolute;
 }
 
 .about-wrap .floating-header-section .section-content {
-	display: grid;
-	grid-gap: 60px;
-	grid-template-columns: 5fr 5fr;
+	-ms-grid-column: 2;
 	grid-column: 2;
+	display: -webkit-box;
+	display: flex;
+	-webkit-box-pack: justify;
+	justify-content: space-between;
+	-webkit-box-align: start;
+	align-items: flex-start;
+	-webkit-box-orient: horizontal;
+	-webkit-box-direction: normal;
+	flex-flow: row wrap;
+	-webkit-box-flex: 2;
+	flex-grow: 2;
+	flex-shrink: 0;
 }
 
-.about-wrap .floating-header-section .section-item:nth-of-type(odd) {
-	grid-column: 1;
+.about-wrap .floating-header-section .section-item {
+	-webkit-box-flex: 1;
+	flex-grow: 1;
+	max-width: calc(50% - 30px);
 }
 
-.about-wrap .floating-header-section .section-item:nth-of-type(even) {
-	grid-column: 2;
+.about-wrap .floating-header-section .section-item:nth-child(1),
+.about-wrap .floating-header-section .section-item:nth-child(2) {
+	margin-bottom: 60px;
+}
+
+.about-wrap .floating-header-section .section-item:nth-child(1):nth-last-child(2),
+.about-wrap .floating-header-section .section-item:nth-child(2):nth-last-child(1) {
+	margin-bottom: 0;
+}
+
+.about-wrap .floating-header-section.has-long-title {
+	display: block;
+}
+
+.about-wrap .floating-header-section.has-long-title .section-header {
+	max-width: 100%;
+}
+
+.about-wrap .floating-header-section.has-long-title h2 {
+	position: static;
+	margin-bottom: 60px;
+}
+
+.about-wrap .floating-header-section.has-long-title .section-content {
+	-webkit-box-pack: start;
+	justify-content: flex-start;
+}
+
+.about-wrap .floating-header-section.has-long-title .section-item {
+	max-width: 300px;
+	margin-bottom: 0;
+}
+
+.about-wrap .floating-header-section.has-long-title .section-item + .section-item {
+	margin-right: 60px;
 }
 
 /*------------------------------------------------------------------------------
@@ -409,7 +459,7 @@
 }
 
 .about-wrap .compact {
-	margin-bottom: 0
+	margin-bottom: 0;
 }
 
 .about-wrap .wp-person {
@@ -481,9 +531,27 @@
   4.0 - Media Queries
 ------------------------------------------------------------------------------*/
 
-@media screen and ( max-width: 782px ) {
+@media screen and (max-width: 1250px) {
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(1),
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(2) {
+		margin: 0 0 60px;
+	}
+
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(3),
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(4) {
+		margin: 0;
+	}
+
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(2),
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(4) {
+		margin-right: 60px;
+	}
+}
+
+@media screen and (max-width: 782px) {
 	.about-wrap .two-col-text {
 		-webkit-column-count: 1;
+		-moz-column-count: 1;
 		column-count: 1;
 	}
 
@@ -498,13 +566,17 @@
 	}
 
 	.about-wrap .floating-header-section {
-		grid-template-columns: 1fr;
-		grid-gap: 60px 0;
+		display: block;
 	}
 
-	.about-wrap .floating-header-section h2,
+	.about-wrap .floating-header-section .section-header,
 	.about-wrap .floating-header-section .section-content {
-		grid-column: 1;
+		max-width: 100%;
+	}
+
+	.about-wrap .floating-header-section h2 {
+		position: static;
+		margin-bottom: 60px;
 	}
 }
 
@@ -560,12 +632,15 @@
 		margin-bottom: 60px;
 	}
 
-	.about-wrap .floating-header-section .section-content {
-		grid-template-columns: 1fr;
-		grid-gap: 60px 0;
+	.about-wrap .floating-header-section h2 {
+		word-break: break-all;
+		-webkit-hyphens: auto;
+		-ms-hyphens: auto;
+		hyphens: auto;
 	}
 
 	.about-wrap .floating-header-section .section-content .section-item {
-		grid-column: 1;
+		max-width: 100%;
+		margin: 0 0 60px;
 	}
 }

wp-admin/css/about.css

@@ -172,8 +172,6 @@
 	display: flex;
 	-webkit-box-pack: justify;
 	justify-content: space-between;
-	-webkit-box-align: center;
-	align-items: center;
 	flex-wrap: wrap;
 }
 
@@ -262,8 +260,10 @@
 
 .about-wrap .two-col-text {
 	-webkit-column-count: 2;
+	-moz-column-count: 2;
 	column-count: 2;
 	-webkit-column-gap: 40px;
+	-moz-column-gap: 40px;
 	column-gap: 40px;
 }
 
@@ -357,37 +357,87 @@
 /* 2.3 Floating Header Layout */
 
 .about-wrap .floating-header-section {
+	display: -ms-grid;
 	display: grid;
 	grid-gap: 0 60px;
+	-ms-grid-columns: 5fr 11fr;
 	grid-template-columns: 5fr 11fr;
 	max-width: 1020px;
 	margin: 0 auto 120px;
 }
 
-.about-wrap .floating-header-section h2 {
+.about-wrap .floating-header-section .section-header {
+	-ms-grid-column: 1;
 	grid-column: 1;
-	text-align: left;
-	margin: 0;
+	position: relative;
+	min-width: 230px;
+	max-width: 300px;
 }
 
-.about-wrap .floating-header-section .header-fixed {
-	position: fixed;
-	width: 300px;
+.about-wrap .floating-header-section h2 {
+	margin: 0;
+	text-align: left;
+	position: absolute;
 }
 
 .about-wrap .floating-header-section .section-content {
-	display: grid;
-	grid-gap: 60px;
-	grid-template-columns: 5fr 5fr;
+	-ms-grid-column: 2;
 	grid-column: 2;
+	display: -webkit-box;
+	display: flex;
+	-webkit-box-pack: justify;
+	justify-content: space-between;
+	-webkit-box-align: start;
+	align-items: flex-start;
+	-webkit-box-orient: horizontal;
+	-webkit-box-direction: normal;
+	flex-flow: row wrap;
+	-webkit-box-flex: 2;
+	flex-grow: 2;
+	flex-shrink: 0;
 }
 
-.about-wrap .floating-header-section .section-item:nth-of-type(odd) {
-	grid-column: 1;
+.about-wrap .floating-header-section .section-item {
+	-webkit-box-flex: 1;
+	flex-grow: 1;
+	max-width: calc(50% - 30px);
 }
 
-.about-wrap .floating-header-section .section-item:nth-of-type(even) {
-	grid-column: 2;
+.about-wrap .floating-header-section .section-item:nth-child(1),
+.about-wrap .floating-header-section .section-item:nth-child(2) {
+	margin-bottom: 60px;
+}
+
+.about-wrap .floating-header-section .section-item:nth-child(1):nth-last-child(2),
+.about-wrap .floating-header-section .section-item:nth-child(2):nth-last-child(1) {
+	margin-bottom: 0;
+}
+
+.about-wrap .floating-header-section.has-long-title {
+	display: block;
+}
+
+.about-wrap .floating-header-section.has-long-title .section-header {
+	max-width: 100%;
+}
+
+.about-wrap .floating-header-section.has-long-title h2 {
+	position: static;
+	margin-bottom: 60px;
+}
+
+.about-wrap .floating-header-section.has-long-title .section-content {
+	-webkit-box-pack: start;
+	justify-content: flex-start;
+}
+
+.about-wrap .floating-header-section.has-long-title .section-item {
+	max-width: 300px;
+	margin-bottom: 0;
+}
+
+.about-wrap .floating-header-section.has-long-title .section-item + .section-item {
+	margin-left: 60px;
 }
 
 /*------------------------------------------------------------------------------
@@ -409,7 +459,7 @@
 }
 
 .about-wrap .compact {
-	margin-bottom: 0
+	margin-bottom: 0;
 }
 
 .about-wrap .wp-person {
@@ -481,9 +531,27 @@
   4.0 - Media Queries
 ------------------------------------------------------------------------------*/
 
-@media screen and ( max-width: 782px ) {
+@media screen and (max-width: 1250px) {
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(1),
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(2) {
+		margin: 0 0 60px;
+	}
+
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(3),
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(4) {
+		margin: 0;
+	}
+
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(2),
+	.about-wrap .floating-header-section.has-long-title .section-item:nth-child(4) {
+		margin-left: 60px;
+	}
+}
+
+@media screen and (max-width: 782px) {
 	.about-wrap .two-col-text {
 		-webkit-column-count: 1;
+		-moz-column-count: 1;
 		column-count: 1;
 	}
 
@@ -498,13 +566,17 @@
 	}
 
 	.about-wrap .floating-header-section {
-		grid-template-columns: 1fr;
-		grid-gap: 60px 0;
+		display: block;
 	}
 
-	.about-wrap .floating-header-section h2,
+	.about-wrap .floating-header-section .section-header,
 	.about-wrap .floating-header-section .section-content {
-		grid-column: 1;
+		max-width: 100%;
+	}
+
+	.about-wrap .floating-header-section h2 {
+		position: static;
+		margin-bottom: 60px;
 	}
 }
 
@@ -560,12 +632,15 @@
 		margin-bottom: 60px;
 	}
 
-	.about-wrap .floating-header-section .section-content {
-		grid-template-columns: 1fr;
-		grid-gap: 60px 0;
+	.about-wrap .floating-header-section h2 {
+		word-break: break-all;
+		-webkit-hyphens: auto;
+		-ms-hyphens: auto;
+		hyphens: auto;
 	}
 
 	.about-wrap .floating-header-section .section-content .section-item {
-		grid-column: 1;
+		max-width: 100%;
+		margin: 0 0 60px;
 	}
 }

wp-admin/css/common-rtl.css

@@ -860,7 +860,7 @@ hr {
 #media-items a.delete,
 #media-items a.delete-permanently,
 #nav-menu-footer .menu-delete,
-#delete-link a.delete  {
+#delete-link a.delete {
 	color: #a00;
 }
 
@@ -1188,11 +1188,19 @@ th.action-links {
 
 .filter-drawer .filter-group-feature input,
 .filter-drawer .filter-group-feature label {
-	display: inline-block;
-	margin: 7px 0 7px 4px;
 	line-height: 16px;
 }
 
+.filter-drawer .filter-group-feature input {
+	position: absolute;
+	margin: 0;
+}
+
+.filter-group .filter-group-feature label {
+	display: block;
+	margin: 14px 23px 14px 0px;
+}
+
 .filter-drawer .buttons {
 	clear: both;
 	margin-bottom: 20px;
@@ -1700,7 +1708,7 @@ form.upgrade .hint {
 
 .toggle-arrow {
 	background-repeat: no-repeat;
-	background-position: top left;
+	background-position: top right;
 	background-color: transparent;
 	height: 22px;
 	line-height: 22px;
@@ -1708,7 +1716,7 @@ form.upgrade .hint {
 }
 
 .toggle-arrow-active {
-	background-position: bottom left;
+	background-position: bottom right;
 }
 
 #screen-options-wrap h5, /* Back-compat for old plugins */
@@ -3042,6 +3050,7 @@ img {
 	min-height: 60vh;
 	height: calc( 100vh - 295px );
 	border: 1px solid #ddd;
+	box-sizing: border-box;
 }
 
 #templateside > h2 {
@@ -3060,8 +3069,8 @@ img {
 	margin-top: 0;
 	overflow: auto;
 	padding: 0;
-	min-height: calc(60vh + 2px);
-	height: calc(100vh - 293px);
+	min-height: 60vh;
+	height: calc(100vh - 295px);
 	background-color: #f7f7f7;
 	border: 1px solid #ddd;
 	border-right: none;
@@ -3240,17 +3249,21 @@ img {
 	margin: 4px 0;
 }
 
-#templateside li a,
+#templateside li:not(.howto) a,
 .theme-editor-php .highlight {
 	display: block;
 	padding: 3px 12px 3px 0;
 	text-decoration: none;
 }
 
-#templateside li > a:first-of-type {
+#templateside li:not(.howto) > a:first-of-type {
 	padding-top: 0;
 }
 
+#templateside li.howto {
+	padding: 6px 12px 12px 12px;
+}
+
 .theme-editor-php .highlight {
 	margin: -3px -12px -3px 3px;
 }
@@ -3756,17 +3769,17 @@ img {
 	}
 
 	/* Theme/Plugin File Editor */
-	
-	#template textarea, 
+
+	#template textarea,
 	#template .CodeMirror {
 		box-sizing: border-box;
 	}
-	
+
 	#templateside {
 		float: none;
 		width: auto;
 	}
-	
+
 	#templateside > ul {
 		border-right: 1px solid #ddd;
 	}
@@ -3775,10 +3788,13 @@ img {
 		margin: 0;
 	}
 
-	#templateside li a {
+	#templateside li:not(.howto) a {
 		display: block;
 		padding: 5px;
 	}
+	#templateside li.howto {
+		padding: 12px;
+	}
 
 	#templateside .highlight {
 		padding: 5px;
@@ -3834,31 +3850,31 @@ img {
 		width: 100%;
 		text-align: right;
 	}
-	
+
 	.fileedit-sub .alignright label {
 		display: block;
 	}
-	
-	.fileedit-sub #theme, 
+
+	.fileedit-sub #theme,
 	.fileedit-sub #plugin {
 		margin-right: 0;
-	    max-width: 70%;
+		max-width: 70%;
 	}
-	
+
 	.fileedit-sub input[type="submit"] {
 		margin-bottom: 0px;
 		padding: 8px 18px;
 	}
-	
+
 	#documentation label[for="docs-list"] {
 		display: block;
 	}
-	
+
 	#documentation select[name="docs-list"] {
 		margin-right: 0;
 		max-width: 60%;
 	}
-	
+
 	#documentation input[type="button"] {
 		margin-bottom: 0;
 		padding: 8px 18px;
@@ -3881,6 +3897,10 @@ img {
 		line-height: 25px;
 	}
 
+	.filter-drawer .filter-group-feature label {
+		margin-right: 32px;
+	}
+
 	.wp-filter .button.drawer-toggle {
 		font-size: 13px;
 		line-height: 26px;

wp-admin/css/common.css

@@ -860,7 +860,7 @@ hr {
 #media-items a.delete,
 #media-items a.delete-permanently,
 #nav-menu-footer .menu-delete,
-#delete-link a.delete  {
+#delete-link a.delete {
 	color: #a00;
 }
 
@@ -1188,11 +1188,19 @@ th.action-links {
 
 .filter-drawer .filter-group-feature input,
 .filter-drawer .filter-group-feature label {
-	display: inline-block;
-	margin: 7px 4px 7px 0;
 	line-height: 16px;
 }
 
+.filter-drawer .filter-group-feature input {
+	position: absolute;
+	margin: 0;
+}
+
+.filter-group .filter-group-feature label {
+	display: block;
+	margin: 14px 0px 14px 23px;
+}
+
 .filter-drawer .buttons {
 	clear: both;
 	margin-bottom: 20px;
@@ -3042,6 +3050,7 @@ img {
 	min-height: 60vh;
 	height: calc( 100vh - 295px );
 	border: 1px solid #ddd;
+	box-sizing: border-box;
 }
 
 #templateside > h2 {
@@ -3060,8 +3069,8 @@ img {
 	margin-top: 0;
 	overflow: auto;
 	padding: 0;
-	min-height: calc(60vh + 2px);
-	height: calc(100vh - 293px);
+	min-height: 60vh;
+	height: calc(100vh - 295px);
 	background-color: #f7f7f7;
 	border: 1px solid #ddd;
 	border-left: none;
@@ -3240,17 +3249,21 @@ img {
 	margin: 4px 0;
 }
 
-#templateside li a,
+#templateside li:not(.howto) a,
 .theme-editor-php .highlight {
 	display: block;
 	padding: 3px 0 3px 12px;
 	text-decoration: none;
 }
 
-#templateside li > a:first-of-type {
+#templateside li:not(.howto) > a:first-of-type {
 	padding-top: 0;
 }
 
+#templateside li.howto {
+	padding: 6px 12px 12px 12px;
+}
+
 .theme-editor-php .highlight {
 	margin: -3px 3px -3px -12px;
 }
@@ -3756,17 +3769,17 @@ img {
 	}
 
 	/* Theme/Plugin File Editor */
-	
-	#template textarea, 
+
+	#template textarea,
 	#template .CodeMirror {
 		box-sizing: border-box;
 	}
-	
+
 	#templateside {
 		float: none;
 		width: auto;
 	}
-	
+
 	#templateside > ul {
 		border-left: 1px solid #ddd;
 	}
@@ -3775,10 +3788,13 @@ img {
 		margin: 0;
 	}
 
-	#templateside li a {
+	#templateside li:not(.howto) a {
 		display: block;
 		padding: 5px;
 	}
+	#templateside li.howto {
+		padding: 12px;
+	}
 
 	#templateside .highlight {
 		padding: 5px;
@@ -3834,31 +3850,31 @@ img {
 		width: 100%;
 		text-align: left;
 	}
-	
+
 	.fileedit-sub .alignright label {
 		display: block;
 	}
-	
-	.fileedit-sub #theme, 
+
+	.fileedit-sub #theme,
 	.fileedit-sub #plugin {
 		margin-left: 0;
-	    max-width: 70%;
+		max-width: 70%;
 	}
-	
+
 	.fileedit-sub input[type="submit"] {
 		margin-bottom: 0px;
 		padding: 8px 18px;
 	}
-	
+
 	#documentation label[for="docs-list"] {
 		display: block;
 	}
-	
+
 	#documentation select[name="docs-list"] {
 		margin-left: 0;
 		max-width: 60%;
 	}
-	
+
 	#documentation input[type="button"] {
 		margin-bottom: 0;
 		padding: 8px 18px;
@@ -3881,6 +3897,10 @@ img {
 		line-height: 25px;
 	}
 
+	.filter-drawer .filter-group-feature label {
+		margin-left: 32px;
+	}
+
 	.wp-filter .button.drawer-toggle {
 		font-size: 13px;
 		line-height: 26px;

wp-admin/css/customize-controls-rtl.css

@@ -2706,6 +2706,7 @@ body.adding-widget .add-new-widget:before,
 }
 
 #available-menu-items-search .search-icon:after,
+#available-widgets-filter .search-icon:after,
 .themes-filter-bar .search-icon:after {
 	content: "\f179";
 	font: normal 20px/1 dashicons;

wp-admin/css/customize-controls.css

@@ -2706,6 +2706,7 @@ body.adding-widget .add-new-widget:before,
 }
 
 #available-menu-items-search .search-icon:after,
+#available-widgets-filter .search-icon:after,
 .themes-filter-bar .search-icon:after {
 	content: "\f179";
 	font: normal 20px/1 dashicons;

wp-admin/css/customize-nav-menus-rtl.css

@@ -216,6 +216,10 @@
 	padding-top: 12px;
 }
 
+.menu-location-settings .customize-control-checkbox .theme-location-set {
+	line-height: 1;
+}
+
 .customize-control-nav_menu_auto_add label {
 	vertical-align: top;
 }

wp-admin/css/customize-nav-menus.css

@@ -216,6 +216,10 @@
 	padding-top: 12px;
 }
 
+.menu-location-settings .customize-control-checkbox .theme-location-set {
+	line-height: 1;
+}
+
 .customize-control-nav_menu_auto_add label {
 	vertical-align: top;
 }

wp-admin/css/edit-rtl.css

@@ -330,7 +330,7 @@ form#tags-filter {
 }
 
 #content-resize-handle {
-	background: transparent url(../images/resize.gif) no-repeat scroll right bottom;
+	background: transparent url(../images/resize.gif) no-repeat scroll left bottom;
 	width: 12px;
 	cursor: row-resize;
 }
@@ -1299,7 +1299,7 @@ table.links-table {
   (min-resolution: 120dpi) {
 	#content-resize-handle,
 	#post-body .wp_themeSkin .mceStatusbar a.mceResize {
-		background: transparent url(../images/resize-2x.gif) no-repeat scroll right bottom;
+		background: transparent url(../images/resize-2x.gif) no-repeat scroll left bottom;
 		background-size: 11px 11px;
 	}
 

wp-admin/css/forms-rtl.css

@@ -897,7 +897,7 @@ table.form-table td .updated p {
 
 .options-general-php .spinner {
 	float: none;
-	margin: 0 3px;
+	margin: -3px 3px 0;
 }
 
 .settings-php .language-install-spinner,

wp-admin/css/forms.css

@@ -897,7 +897,7 @@ table.form-table td .updated p {
 
 .options-general-php .spinner {
 	float: none;
-	margin: 0 3px;
+	margin: -3px 3px 0;
 }
 
 .settings-php .language-install-spinner,

wp-admin/css/widgets-rtl.css

@@ -154,7 +154,8 @@
 	top: 30px;
 }
 
-.media-frame #embed-url-field.invalid {
+.media-frame #embed-url-field.invalid,
+.media-widget-image-link > .link:invalid {
 	border: 1px solid #dc3232;
 }
 
@@ -176,9 +177,7 @@
 	cursor: pointer;
 }
 
-.media-widget-preview.media_image,
-.media-widget-preview.media_audio,
-.attachment-media-view {
+.media-widget-preview .placeholder {
 	background: #f1f1f1;
 }
 
@@ -189,7 +188,7 @@
 	background: transparent;
 }
 
-.media-widget-gallery-preview .gallery-item .gallery-icon { 
+.media-widget-gallery-preview .gallery-item .gallery-icon {
 	margin: 4.5%;
 }
 

wp-admin/css/widgets.css

@@ -154,7 +154,8 @@
 	top: 30px;
 }
 
-.media-frame #embed-url-field.invalid {
+.media-frame #embed-url-field.invalid,
+.media-widget-image-link > .link:invalid {
 	border: 1px solid #dc3232;
 }
 
@@ -176,9 +177,7 @@
 	cursor: pointer;
 }
 
-.media-widget-preview.media_image,
-.media-widget-preview.media_audio,
-.attachment-media-view {
+.media-widget-preview .placeholder {
 	background: #f1f1f1;
 }
 
@@ -189,7 +188,7 @@
 	background: transparent;
 }
 
-.media-widget-gallery-preview .gallery-item .gallery-icon { 
+.media-widget-gallery-preview .gallery-item .gallery-icon {
 	margin: 4.5%;
 }
 

wp-admin/customize.php

@@ -42,10 +42,34 @@ if ( $wp_customize->changeset_post_id() ) {
 		get_post_time( 'G', true, $changeset_post ) < time()
 	);
 	if ( $missed_schedule ) {
-		wp_publish_post( $changeset_post->ID );
+		/*
+		 * Note that an Ajax request spawns here instead of just calling `wp_publish_post( $changeset_post->ID )`.
+		 *
+		 * Because WP_Customize_Manager is not instantiated for customize.php with the `settings_previewed=false`
+		 * argument, settings cannot be reliably saved. Some logic short-circuits if the current value is the
+		 * same as the value being saved. This is particularly true for options via `update_option()`.
+		 *
+		 * By opening an Ajax request, this is avoided and the changeset is published. See #39221.
+		 */
+		$nonces = $wp_customize->get_nonces();
+		$request_args = array(
+			'nonce' => $nonces['save'],
+			'customize_changeset_uuid' => $wp_customize->changeset_uuid(),
+			'wp_customize' => 'on',
+			'customize_changeset_status' => 'publish',
+		);
+		ob_start();
+		?>
+		<?php wp_print_scripts( array( 'wp-util' ) ); ?>
+		<script>
+			wp.ajax.post( 'customize_save', <?php echo wp_json_encode( $request_args ); ?> );
+		</script>
+		<?php
+		$script = ob_get_clean();
+
 		wp_die(
 			'<h1>' . __( 'Your scheduled changes just published' ) . '</h1>' .
-			'<p><a href="' . esc_url( remove_query_arg( 'changeset_uuid' ) ) . '">' . __( 'Customize New Changes' ) . '</a></p>',
+			'<p><a href="' . esc_url( remove_query_arg( 'changeset_uuid' ) ) . '">' . __( 'Customize New Changes' ) . '</a></p>' . $script,
 			200
 		);
 	}
@@ -53,7 +77,7 @@ if ( $wp_customize->changeset_post_id() ) {
 	if ( in_array( get_post_status( $changeset_post->ID ), array( 'publish', 'trash' ), true ) ) {
 		wp_die(
 			'<h1>' . __( 'Cheatin&#8217; uh?' ) . '</h1>' .
-			'<p>' . __( 'This changeset has already been published and cannot be further modified.' ) . '</p>' .
+			'<p>' . __( 'This changeset cannot be further modified.' ) . '</p>' .
 			'<p><a href="' . esc_url( remove_query_arg( 'changeset_uuid' ) ) . '">' . __( 'Customize New Changes' ) . '</a></p>',
 			403
 		);

wp-admin/edit-form-advanced.php

@@ -639,7 +639,7 @@ if ( post_type_supports($post_type, 'editor') ) {
 		'resize' => false,
 		'wp_autoresize_on' => $_wp_editor_expand,
 		'add_unload_trigger' => false,
-		'wp_keep_scroll_position' => true,
+		'wp_keep_scroll_position' => ! $is_IE,
 	),
 ) ); ?>
 <table id="post-status-info"><tbody><tr>

wp-admin/freedoms.php

@@ -19,7 +19,7 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 
 <h1><?php printf( __( 'Welcome to WordPress %s' ), $display_version ); ?></h1>
 
-<p class="about-text"><?php printf( __( 'Thank you for updating to the latest version! WordPress %s adds more ways for you to express yourself and represent your brand.' ), $display_version ); ?></p>
+<p class="about-text"><?php printf( __( 'Thank you for updating to the latest version! WordPress %s will smooth your design workflow and keep you safe from coding errors.' ), $display_version ); ?></p>
 
 <div class="wp-badge"><?php printf( __( 'Version %s' ), $display_version ); ?></div>
 

wp-admin/includes/class-wp-upgrader.php

@@ -342,7 +342,8 @@ class WP_Upgrader {
 			if ( ! empty( $details['files'] ) ) {
 				$children = $this->flatten_dirlist( $details['files'], $path . $name . '/' );
 
-				$files = array_merge( $files, $children );
+				// Merge keeping possible numeric keys, which array_merge() will reindex from 0..n
+				$files = $files + $children;
 			}
 		}
 

wp-admin/includes/dashboard.php

@@ -1567,14 +1567,14 @@ function wp_welcome_panel() {
 	<p class="about-description"><?php _e( 'We&#8217;ve assembled some links to get you started:' ); ?></p>
 	<div class="welcome-panel-column-container">
 	<div class="welcome-panel-column">
-		<?php if ( current_user_can( 'customize' ) ):
-			$customize_themes_link = add_query_arg( 'autofocus[panel]', 'themes', admin_url( 'customize.php' ) ); ?>
+		<?php if ( current_user_can( 'customize' ) ) : ?>
 			<h3><?php _e( 'Get Started' ); ?></h3>
 			<a class="button button-primary button-hero load-customize hide-if-no-customize" href="<?php echo wp_customize_url(); ?>"><?php _e( 'Customize Your Site' ); ?></a>
 		<?php endif; ?>
 		<a class="button button-primary button-hero hide-if-customize" href="<?php echo admin_url( 'themes.php' ); ?>"><?php _e( 'Customize Your Site' ); ?></a>
 		<?php if ( current_user_can( 'install_themes' ) || ( current_user_can( 'switch_themes' ) && count( wp_get_themes( array( 'allowed' => true ) ) ) > 1 ) ) : ?>
-			<p class="hide-if-no-customize"><?php printf( __( 'or, <a href="%s">change your theme completely</a>' ), $customize_themes_link ); ?></p>
+			<?php $themes_link = current_user_can( 'customize' ) ? add_query_arg( 'autofocus[panel]', 'themes', admin_url( 'customize.php' ) ) : admin_url( 'themes.php' ); ?>
+			<p class="hide-if-no-customize"><?php printf( __( 'or, <a href="%s">change your theme completely</a>' ), $themes_link ); ?></p>
 		<?php endif; ?>
 	</div>
 	<div class="welcome-panel-column">

wp-admin/includes/file.php

@@ -445,7 +445,8 @@ function wp_edit_theme_plugin_file( $args ) {
 			}
 		}
 
-		if ( 0 !== validate_file( $real_file, $allowed_files ) ) {
+		// Compare based on relative paths
+		if ( 0 !== validate_file( $file, array_keys( $allowed_files ) ) ) {
 			return new WP_Error( 'disallowed_theme_file', __( 'Sorry, that file cannot be edited.' ) );
 		}
 

wp-admin/includes/image.php

@@ -343,7 +343,7 @@ function wp_read_image_metadata( $file ) {
 	if ( ! file_exists( $file ) )
 		return false;
 
-	list( , , $sourceImageType ) = getimagesize( $file );
+	list( , , $sourceImageType ) = @getimagesize( $file );
 
 	/*
 	 * EXIF contains a bunch of data we'll probably never need formatted in ways
@@ -372,10 +372,10 @@ function wp_read_image_metadata( $file ) {
 	 * as caption, description etc.
 	 */
 	if ( is_callable( 'iptcparse' ) ) {
-		getimagesize( $file, $info );
+		@getimagesize( $file, $info );
 
 		if ( ! empty( $info['APP13'] ) ) {
-			$iptc = iptcparse( $info['APP13'] );
+			$iptc = @iptcparse( $info['APP13'] );
 
 			// Headline, "A brief synopsis of the caption."
 			if ( ! empty( $iptc['2#105'][0] ) ) {

wp-admin/includes/media.php

@@ -355,7 +355,7 @@ function media_handle_upload($file_id, $post_id, $post_data = array(), $override
 		}
 
 	// Use image exif/iptc data for title and caption defaults if possible.
-	} elseif ( 0 === strpos( $type, 'image/' ) && $image_meta = @wp_read_image_metadata( $file ) ) {
+	} elseif ( 0 === strpos( $type, 'image/' ) && $image_meta = wp_read_image_metadata( $file ) ) {
 		if ( trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) {
 			$title = $image_meta['title'];
 		}
@@ -419,7 +419,7 @@ function media_handle_sideload( $file_array, $post_id, $desc = null, $post_data
 	$content = '';
 
 	// Use image exif/iptc data for title and caption defaults if possible.
-	if ( $image_meta = @wp_read_image_metadata($file) ) {
+	if ( $image_meta = wp_read_image_metadata( $file ) ) {
 		if ( trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) )
 			$title = $image_meta['title'];
 		if ( trim( $image_meta['caption'] ) )

wp-admin/includes/meta-boxes.php

@@ -903,7 +903,7 @@ $default_title = apply_filters( 'default_page_template_title',  __( 'Default Tem
 /**
  * Fires before the help hint text in the 'Page Attributes' meta box.
  *
- * @since 4.8.0
+ * @since 4.9.0
  *
  * @param WP_Post $post The current post.
  */

wp-admin/includes/misc.php

@@ -77,12 +77,12 @@ function extract_from_markers( $filename, $marker ) {
 	foreach ( $markerdata as $markerline ) {
 		if ( false !== strpos( $markerline, '# END ' . $marker ) ) {
 			$state = false;
-			if ( $state ) {
-				$result[] = $markerline;
-			}
-			if ( false !== strpos( $markerline, '# BEGIN ' . $marker ) ) {
-				$state = true;
-			}
+		}
+		if ( $state ) {
+			$result[] = $markerline;
+		}
+		if ( false !== strpos( $markerline, '# BEGIN ' . $marker ) ) {
+			$state = true;
 		}
 	}
 

wp-admin/includes/options.php

@@ -51,7 +51,7 @@ function options_general_add_js() {
 
 		$("input[name='date_format']").click(function(){
 			if ( "date_format_custom_radio" != $(this).attr("id") )
-				$( "input[name='date_format_custom']" ).val( $( this ).val() ).siblings( '.example' ).text( $( this ).parent( 'label' ).children( '.format-i18n' ).text() );
+				$( 'input[name="date_format_custom"]' ).val( $( this ).val() ).closest( 'fieldset' ).find( '.example' ).text( $( this ).parent( 'label' ).children( '.format-i18n' ).text() );
 		});
 		$( 'input[name="date_format_custom"]' ).on( 'click input', function() {
 			$( '#date_format_custom_radio' ).prop( 'checked', true );
@@ -59,18 +59,23 @@ function options_general_add_js() {
 
 		$("input[name='time_format']").click(function(){
 			if ( "time_format_custom_radio" != $(this).attr("id") )
-				$( "input[name='time_format_custom']" ).val( $( this ).val() ).siblings( '.example' ).text( $( this ).parent( 'label' ).children( '.format-i18n' ).text() );
+				$( 'input[name="time_format_custom"]' ).val( $( this ).val() ).closest( 'fieldset' ).find( '.example' ).text( $( this ).parent( 'label' ).children( '.format-i18n' ).text() );
 		});
 		$( 'input[name="time_format_custom"]' ).on( 'click input', function() {
 			$( '#time_format_custom_radio' ).prop( 'checked', true );
 		});
 		$("input[name='date_format_custom'], input[name='time_format_custom']").change( function() {
-			var format = $(this);
-			format.siblings( '.spinner' ).addClass( 'is-active' );
-			$.post(ajaxurl, {
-					action: 'date_format_custom' == format.attr('name') ? 'date_format' : 'time_format',
+			var format = $( this ),
+				fieldset = format.closest( 'fieldset' ),
+				example = fieldset.find( '.example' ),
+				spinner = fieldset.find( '.spinner' );
+
+			spinner.addClass( 'is-active' );
+
+			$.post( ajaxurl, {
+					action: 'date_format_custom' == format.attr( 'name' ) ? 'date_format' : 'time_format',
 					date : format.val()
-				}, function(d) { format.siblings( '.spinner' ).removeClass( 'is-active' ); format.siblings('.example').text(d); } );
+				}, function( d ) { spinner.removeClass( 'is-active' ); example.text( d ); } );
 		});
 
 		var languageSelect = $( '#WPLANG' );

wp-admin/includes/plugin-install.php

@@ -628,7 +628,7 @@ function install_plugin_information() {
 				) );
 				?>
 				<div class="counter-container">
-						<span class="counter-label"><a href="https://wordpress.org/support/view/plugin-reviews/<?php echo $api->slug; ?>?filter=<?php echo $key; ?>"
+						<span class="counter-label"><a href="https://wordpress.org/support/plugin/<?php echo $api->slug; ?>/reviews/?filter=<?php echo $key; ?>"
 						                               target="_blank" aria-label="<?php echo $aria_label; ?>"><?php printf( _n( '%d star', '%d stars', $key ), $key ); ?></a></span>
 						<span class="counter-back">
 							<span class="counter-bar" style="width: <?php echo 92 * $_rating; ?>px;"></span>

wp-admin/includes/plugin.php

@@ -194,17 +194,6 @@ function get_plugin_files( $plugin ) {
 	$plugin_file = WP_PLUGIN_DIR . '/' . $plugin;
 	$dir = dirname( $plugin_file );
 
-	$data = get_plugin_data( $plugin_file );
-	$label = isset( $data['Version'] )
-		? sanitize_key( 'files_' . $plugin . '-' . $data['Version'] )
-		: sanitize_key( 'files_' . $plugin );
-	$transient_key = substr( $label, 0, 29 ) . md5( $label );
-
-	$plugin_files = get_transient( $transient_key );
-	if ( false !== $plugin_files ) {
-		return $plugin_files;
-	}
-
 	$plugin_files = array( plugin_basename( $plugin_file ) );
 
 	if ( is_dir( $dir ) && WP_PLUGIN_DIR !== $dir ) {
@@ -225,8 +214,6 @@ function get_plugin_files( $plugin ) {
 		$plugin_files = array_values( array_unique( $plugin_files ) );
 	}
 
-	set_transient( $transient_key, $plugin_files, HOUR_IN_SECONDS );
-
 	return $plugin_files;
 }
 

wp-admin/includes/template.php

@@ -1457,8 +1457,9 @@ function get_settings_errors( $setting = '', $sanitize = false ) {
 	}
 
 	// Check global in case errors have been added on this pageload.
-	if ( ! count( $wp_settings_errors ) )
+	if ( empty( $wp_settings_errors ) ) {
 		return array();
+	}
 
 	// Filter the results to those of a specific setting if one was set.
 	if ( $setting ) {

wp-admin/includes/update-core.php

@@ -743,6 +743,42 @@ $_old_files = array(
 'wp-includes/js/plupload/plupload.silverlight.xap',
 'wp-includes/js/swfupload/plugins',
 'wp-includes/js/swfupload/swfupload.swf',
+	// 4.9.2
+	'wp-includes/js/mediaelement/lang',
+	'wp-includes/js/mediaelement/lang/ca.js',
+	'wp-includes/js/mediaelement/lang/cs.js',
+	'wp-includes/js/mediaelement/lang/de.js',
+	'wp-includes/js/mediaelement/lang/es.js',
+	'wp-includes/js/mediaelement/lang/fa.js',
+	'wp-includes/js/mediaelement/lang/fr.js',
+	'wp-includes/js/mediaelement/lang/hr.js',
+	'wp-includes/js/mediaelement/lang/hu.js',
+	'wp-includes/js/mediaelement/lang/it.js',
+	'wp-includes/js/mediaelement/lang/ja.js',
+	'wp-includes/js/mediaelement/lang/ko.js',
+	'wp-includes/js/mediaelement/lang/nl.js',
+	'wp-includes/js/mediaelement/lang/pl.js',
+	'wp-includes/js/mediaelement/lang/pt.js',
+	'wp-includes/js/mediaelement/lang/ro.js',
+	'wp-includes/js/mediaelement/lang/ru.js',
+	'wp-includes/js/mediaelement/lang/sk.js',
+	'wp-includes/js/mediaelement/lang/sv.js',
+	'wp-includes/js/mediaelement/lang/uk.js',
+	'wp-includes/js/mediaelement/lang/zh-cn.js',
+	'wp-includes/js/mediaelement/lang/zh.js',
+	'wp-includes/js/mediaelement/mediaelement-flash-audio-ogg.swf',
+	'wp-includes/js/mediaelement/mediaelement-flash-audio.swf',
+	'wp-includes/js/mediaelement/mediaelement-flash-video-hls.swf',
+	'wp-includes/js/mediaelement/mediaelement-flash-video-mdash.swf',
+	'wp-includes/js/mediaelement/mediaelement-flash-video.swf',
+	'wp-includes/js/mediaelement/renderers/dailymotion.js',
+	'wp-includes/js/mediaelement/renderers/dailymotion.min.js',
+	'wp-includes/js/mediaelement/renderers/facebook.js',
+	'wp-includes/js/mediaelement/renderers/facebook.min.js',
+	'wp-includes/js/mediaelement/renderers/soundcloud.js',
+	'wp-includes/js/mediaelement/renderers/soundcloud.min.js',
+	'wp-includes/js/mediaelement/renderers/twitch.js',
+	'wp-includes/js/mediaelement/renderers/twitch.min.js',
 );
 
 /**
@@ -1118,7 +1154,11 @@ function update_core($from, $to) {
 		$old_file = $to . $old_file;
 		if ( !$wp_filesystem->exists($old_file) )
 			continue;
-		$wp_filesystem->delete($old_file, true);
+
+		// If the file isn't deleted, try writing an empty string to the file instead.
+		if ( ! $wp_filesystem->delete( $old_file, true ) && $wp_filesystem->is_file( $old_file ) ) {
+			$wp_filesystem->put_contents( $old_file, '' );
+		}
 	}
 
 	// Remove any Genericons example.html's from the filesystem

wp-admin/includes/upgrade.php

@@ -435,11 +435,11 @@ function wp_upgrade() {
 	if ( is_multisite() ) {
 		$site_id = get_current_blog_id();
 
-		if ( $wpdb->get_row( $wpdb->prepare( 'SELECT blog_id FROM %s WHERE blog_id = %d', $wpdb->blog_versions, $site_id ) ) ) {
-			$wpdb->query( $wpdb->prepare( 'UPDATE %s SET db_version = %d WHERE blog_id = %d', $wpdb->blog_versions, $wp_db_version, $site_id ) );
- 	    } else {
-			$wpdb->query( $wpdb->prepare( 'INSERT INTO %s ( `blog_id` , `db_version` , `last_updated` ) VALUES ( %d, %d, %s);', $wpdb->blog_versions, $site_id, $wp_db_version, NOW() ) );
- 	    }
+		if ( $wpdb->get_row( $wpdb->prepare( "SELECT blog_id FROM {$wpdb->blog_versions} WHERE blog_id = %d", $site_id ) ) ) {
+			$wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->blog_versions} SET db_version = %d WHERE blog_id = %d", $wp_db_version, $site_id ) );
+		} else {
+			$wpdb->query( $wpdb->prepare( "INSERT INTO {$wpdb->blog_versions} ( `blog_id` , `db_version` , `last_updated` ) VALUES ( %d, %d, NOW() );", $site_id, $wp_db_version ) );
+		}
 	}
 
 	/**

wp-admin/js/customize-controls.js

@@ -1867,6 +1867,9 @@
 				// Search terms.
 				debounced = _.debounce( section.checkTerm, 500 ); // Wait until there is no input for 500 milliseconds to initiate a search.
 				section.contentContainer.on( 'input', '.wp-filter-search', function() {
+					if ( ! api.panel( 'themes' ).expanded() ) {
+						return;
+					}
 					debounced( section );
 					if ( ! section.expanded() ) {
 						section.expand();
@@ -2561,7 +2564,7 @@
 
 			// Temporary special function since supplying SFTP credentials does not work yet. See #42184.
 			function disableInstallButtons() {
-				return disableSwitchButtons() || true === api.settings.theme._filesystemCredentialsNeeded;
+				return disableSwitchButtons() || false === api.settings.theme._canInstall || true === api.settings.theme._filesystemCredentialsNeeded;
 			}
 
 			section.overlay.find( 'button.preview, button.preview-theme' ).toggleClass( 'disabled', disableSwitchButtons() );
@@ -3071,7 +3074,7 @@
 			api.Panel.prototype.attachEvents.apply( panel );
 
 			// Temporary since supplying SFTP credentials does not work yet. See #42184
-			if ( api.settings.theme._filesystemCredentialsNeeded ) {
+			if ( api.settings.theme._canInstall && api.settings.theme._filesystemCredentialsNeeded ) {
 				panel.notifications.add( new api.Notification( 'theme_install_unavailable', {
 					message: api.l10n.themeInstallUnavailable,
 					type: 'info',
@@ -5129,7 +5132,7 @@
 
 			// Temporary special function since supplying SFTP credentials does not work yet. See #42184.
 			function disableInstallButtons() {
-				return disableSwitchButtons() || true === api.settings.theme._filesystemCredentialsNeeded;
+				return disableSwitchButtons() || false === api.settings.theme._canInstall || true === api.settings.theme._filesystemCredentialsNeeded;
 			}
 			function updateButtons() {
 				control.container.find( 'button.preview, button.preview-theme' ).toggleClass( 'disabled', disableSwitchButtons() );
@@ -5280,6 +5283,27 @@
 				codemirror: $.Deferred()
 			} );
 			api.Control.prototype.initialize.call( control, id, options );
+
+			// Note that rendering is debounced so the props will be used when rendering happens after add event.
+			control.notifications.bind( 'add', function( notification ) {
+
+				// Skip if control notification is not from setting csslint_error notification.
+				if ( notification.code !== control.setting.id + ':csslint_error' ) {
+					return;
+				}
+
+				// Customize the template and behavior of csslint_error notifications.
+				notification.templateId = 'customize-code-editor-lint-error-notification';
+				notification.render = (function( render ) {
+					return function() {
+						var li = render.call( this );
+						li.find( 'input[type=checkbox]' ).on( 'click', function() {
+							control.setting.notifications.remove( 'csslint_error' );
+						} );
+						return li;
+					};
+				})( notification.render );
+			} );
 		},
 
 		/**
@@ -7907,7 +7931,7 @@
 				previewerAlive = state.instance( 'previewerAlive' ),
 				editShortcutVisibility  = state.instance( 'editShortcutVisibility' ),
 				changesetLocked = state.instance( 'changesetLocked' ),
-				populateChangesetUuidParam;
+				populateChangesetUuidParam, defaultSelectedChangesetStatus;
 
 			state.bind( 'change', function() {
 				var canSave;
@@ -7941,9 +7965,7 @@
 						} else {
 							saveBtn.val( api.l10n.schedule );
 						}
-					} else if ( ! api.settings.changeset.currentUserCanPublish ) {
-						selectedChangesetStatus( 'draft' );
-					} else {
+					} else if ( api.settings.changeset.currentUserCanPublish ) {
 						saveBtn.val( api.l10n.publish );
 					}
 					closeBtn.find( '.screen-reader-text' ).text( api.l10n.cancel );
@@ -7965,12 +7987,14 @@
 				return status;
 			};
 
+			defaultSelectedChangesetStatus = api.settings.changeset.currentUserCanPublish ? 'publish' : 'draft';
+
 			// Set default states.
 			changesetStatus( api.settings.changeset.status );
 			changesetLocked( Boolean( api.settings.changeset.lockUser ) );
 			changesetDate( api.settings.changeset.publishDate );
 			selectedChangesetDate( api.settings.changeset.publishDate );
-			selectedChangesetStatus( '' === api.settings.changeset.status || 'auto-draft' === api.settings.changeset.status ? 'publish' : api.settings.changeset.status );
+			selectedChangesetStatus( '' === api.settings.changeset.status || 'auto-draft' === api.settings.changeset.status ? defaultSelectedChangesetStatus : api.settings.changeset.status );
 			selectedChangesetStatus.link( changesetStatus ); // Ensure that direct updates to status on server via wp.customizer.previewer.save() will update selection.
 			saved( true );
 			if ( '' === changesetStatus() ) { // Handle case for loading starter content.
@@ -8216,6 +8240,7 @@
 			// Check for lock when sending heartbeat requests.
 			$( document ).on( 'heartbeat-send.update_lock_notice', function( event, data ) {
 				data.check_changeset_lock = true;
+				data.changeset_uuid = api.settings.changeset.uuid;
 			} );
 
 			// Handle heartbeat ticks.
@@ -8248,7 +8273,7 @@
 
 		// Set up initial notifications.
 		(function() {
-			var removedQueryParams = [];
+			var removedQueryParams = [], autosaveDismissed = false;
 
 			/**
 			 * Obtain the URL to restore the autosave.
@@ -8294,6 +8319,25 @@
 				history.replaceState( {}, document.title, urlParser.href );
 			}
 
+			/**
+			 * Dismiss autosave.
+			 *
+			 * @returns {void}
+			 */
+			function dismissAutosave() {
+				if ( autosaveDismissed ) {
+					return;
+				}
+				wp.ajax.post( 'customize_dismiss_autosave_or_lock', {
+					wp_customize: 'on',
+					customize_theme: api.settings.theme.stylesheet,
+					customize_changeset_uuid: api.settings.changeset.uuid,
+					nonce: api.settings.nonce.dismiss_autosave_or_lock,
+					dismiss_autosave: true
+				} );
+				autosaveDismissed = true;
+			}
+
 			/**
 			 * Add notification regarding the availability of an autosave to restore.
 			 *
@@ -8319,15 +8363,7 @@
 						} );
 
 						// Handle dismissal of notice.
-						li.find( '.notice-dismiss' ).on( 'click', function() {
-							wp.ajax.post( 'customize_dismiss_autosave_or_lock', {
-								wp_customize: 'on',
-								customize_theme: api.settings.theme.stylesheet,
-								customize_changeset_uuid: api.settings.changeset.uuid,
-								nonce: api.settings.nonce.dismiss_autosave_or_lock,
-								dismiss_autosave: true
-							} );
-						} );
+						li.find( '.notice-dismiss' ).on( 'click', dismissAutosave );
 
 						return li;
 					}
@@ -8335,6 +8371,7 @@
 
 				// Remove the notification once the user starts making changes.
 				onStateChange = function() {
+					dismissAutosave();
 					api.notifications.remove( code );
 					api.unbind( 'change', onStateChange );
 					api.state( 'changesetStatus' ).unbind( onStateChange );
@@ -9191,12 +9228,14 @@
 
 			api.unbind( 'change', startAutosaving ); // Ensure startAutosaving only fires once.
 
-			api.state( 'saved' ).bind( function( isSaved ) {
+			function onChangeSaved( isSaved ) {
 				if ( ! isSaved && ! api.settings.changeset.autosaved ) {
 					api.settings.changeset.autosaved = true; // Once a change is made then autosaving kicks in.
 					api.previewer.send( 'autosaving' );
 				}
-			} );
+			}
+			api.state( 'saved' ).bind( onChangeSaved );
+			onChangeSaved( api.state( 'saved' ).get() );
 
 			/**
 			 * Request changeset update and then re-schedule the next changeset update time.

wp-admin/js/customize-nav-menus.js

@@ -537,33 +537,37 @@
 			var menuItem,
 				itemName = $( '#custom-menu-item-name' ),
 				itemUrl = $( '#custom-menu-item-url' ),
-				urlRegex,
-				urlValue;
+				urlRegex;
 
 			if ( ! this.currentMenuControl ) {
 				return;
 			}
 
 			/*
-			 * Copyright (c) 2010-2013 Diego Perini, MIT licensed
-			 * https://gist.github.com/dperini/729294
-			 * see also https://mathiasbynens.be/demo/url-regex
-			 * modified to allow protocol-relative URLs
+			 * Allow URLs including:
+			 * - http://example.com/
+			 * - //example.com
+			 * - /directory/
+			 * - ?query-param
+			 * - #target
+			 * - mailto:foo@example.com
+			 *
+			 * Any further validation will be handled on the server when the setting is attempted to be saved,
+			 * so this pattern does not need to be complete.
 			 */
-			urlRegex = /^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})).?)(?::\d{2,5})?(?:[/?#]\S*)?$/i;
+			urlRegex = /^((\w+:)?\/\/\w.*|\w+:(?!\/\/$)|\/|\?|#)/;
 
-			urlValue = itemUrl.val();
 			if ( '' === itemName.val() ) {
 				itemName.addClass( 'invalid' );
 				return;
-			} else if ( '' === urlValue || 'http://' === urlValue || ! ( '/' === urlValue[0] || urlRegex.test( urlValue ) ) ) {
+			} else if ( ! urlRegex.test( itemUrl.val() ) ) {
 				itemUrl.addClass( 'invalid' );
 				return;
 			}
 
 			menuItem = {
 				'title': itemName.val(),
-				'url': urlValue,
+				'url': itemUrl.val(),
 				'type': 'custom',
 				'type_label': api.Menus.data.l10n.custom_label,
 				'object': 'custom'

wp-admin/js/editor.js

@@ -270,7 +270,7 @@ window.wp = window.wp || {};
 			if ( shortcodes ) {
 				for ( var i = 0; i < shortcodes.length; i++ ) {
 					var shortcode = shortcodes[ i ].replace( /^\[+/g, '' );
-	
+
 					if ( result.indexOf( shortcode ) === -1 ) {
 						result.push( shortcode );
 					}
@@ -280,30 +280,6 @@ window.wp = window.wp || {};
 			return result;
 		}
 
-		/**
-		 * @summary Check if a shortcode has Live Preview enabled for it.
-		 *
-		 * Previewable shortcodes here refers to shortcodes that have Live Preview enabled.
-		 *
-		 * These shortcodes get rewritten when the editor is in Visual mode, which means that
-		 * we don't want to change anything inside them, i.e. inserting a selection marker
-		 * inside the shortcode will break it :(
-		 *
-		 * @link wp-includes/js/mce-view.js
-		 *
-		 * @param {string} shortcode The shortcode to check.
-		 * @return {boolean} If a shortcode has Live Preview or not
-		 */
-		function isShortcodePreviewable( shortcode ) {
-			var defaultPreviewableShortcodes = [ 'caption' ];
-
-			return (
-				defaultPreviewableShortcodes.indexOf( shortcode ) !== -1 ||
-				wp.mce.views.get( shortcode ) !== undefined
-			);
-
-		}
-
 		/**
 		 * @summary Get all shortcodes and their positions in the content
 		 *
@@ -340,23 +316,12 @@ window.wp = window.wp || {};
 				 */
 				var showAsPlainText = shortcodeMatch[1] === '[';
 
-				/**
-				 * For more context check the docs for:
-				 *
-				 * @link isShortcodePreviewable
-				 *
-				 * In addition, if the shortcode will get rendered as plain text ( see above ),
-				 * we can treat it as text and use the selection markers in it.
-				 */
-				var isPreviewable = ! showAsPlainText && isShortcodePreviewable( shortcodeMatch[2] );
-
 				shortcodeInfo = {
 					shortcodeName: shortcodeMatch[2],
 					showAsPlainText: showAsPlainText,
 					startIndex: shortcodeMatch.index,
 					endIndex: shortcodeMatch.index + shortcodeMatch[0].length,
-					length: shortcodeMatch[0].length,
-					isPreviewable: isPreviewable
+					length: shortcodeMatch[0].length
 				};
 
 				shortcodesDetails.push( shortcodeInfo );
@@ -382,7 +347,6 @@ window.wp = window.wp || {};
 					startIndex: shortcodeMatch.index,
 					endIndex: shortcodeMatch.index + shortcodeMatch[ 0 ].length,
 					length: shortcodeMatch[ 0 ].length,
-					isPreviewable: true,
 					urlAtStartOfContent: shortcodeMatch[ 1 ] === '',
 					urlAtEndOfContent: shortcodeMatch[ 3 ] === ''
 				};
@@ -465,7 +429,7 @@ window.wp = window.wp || {};
 			}
 
 			var isCursorStartInShortcode = getShortcodeWrapperInfo( content, cursorStart );
-			if ( isCursorStartInShortcode && isCursorStartInShortcode.isPreviewable ) {
+			if ( isCursorStartInShortcode && ! isCursorStartInShortcode.showAsPlainText ) {
 				/**
 				 * If a URL is at the start or the end of the content,
 				 * the selection doesn't work, because it inserts a marker in the text,
@@ -482,7 +446,7 @@ window.wp = window.wp || {};
 			}
 
 			var isCursorEndInShortcode = getShortcodeWrapperInfo( content, cursorEnd );
-			if ( isCursorEndInShortcode && isCursorEndInShortcode.isPreviewable ) {
+			if ( isCursorEndInShortcode && ! isCursorEndInShortcode.showAsPlainText ) {
 				if ( isCursorEndInShortcode.urlAtEndOfContent ) {
 					cursorEnd = isCursorEndInShortcode.startIndex;
 				} else {
@@ -581,6 +545,8 @@ window.wp = window.wp || {};
 
 			removeSelectionMarker( startNode );
 			removeSelectionMarker( endNode );
+
+			editor.save();
 		}
 
 		/**
@@ -623,7 +589,9 @@ window.wp = window.wp || {};
 
 				edTools = $( '#wp-content-editor-tools' ),
 				edToolsHeight = 0,
-				edToolsOffsetTop = 0;
+				edToolsOffsetTop = 0,
+
+				$scrollArea;
 
 			if ( edTools.length ) {
 				edToolsHeight = edTools.height();
@@ -635,6 +603,11 @@ window.wp = window.wp || {};
 				selectionPosition = TinyMCEContentAreaTop + elementTop,
 				visibleAreaHeight = windowHeight - ( edToolsHeight + toolbarHeight );
 
+			// There's no need to scroll if the selection is inside the visible area.
+			if ( selectionPosition < visibleAreaHeight ) {
+				return;
+			}
+
 			/**
 			 * The minimum scroll height should be to the top of the editor, to offer a consistent
 			 * experience.
@@ -643,9 +616,16 @@ window.wp = window.wp || {};
 			 * subtracting the height. This gives the scroll position where the top of the editor tools aligns with
 			 * the top of the viewport (under the Master Bar)
 			 */
-			var adjustedScroll = Math.max( selectionPosition - visibleAreaHeight / 2, edToolsOffsetTop - edToolsHeight );
+			var adjustedScroll;
+			if ( editor.settings.wp_autoresize_on ) {
+				$scrollArea = $( 'html,body' );
+				adjustedScroll = Math.max( selectionPosition - visibleAreaHeight / 2, edToolsOffsetTop - edToolsHeight );
+			} else {
+				$scrollArea = $( editor.contentDocument ).find( 'html,body' );
+				adjustedScroll = elementTop;
+			}
 
-			$( 'html,body' ).animate( {
+			$scrollArea.animate( {
 				scrollTop: parseInt( adjustedScroll, 10 )
 			}, 100 );
 		}
@@ -679,10 +659,10 @@ window.wp = window.wp || {};
 		 */
 		function findBookmarkedPosition( editor ) {
 			// Get the TinyMCE `window` reference, since we need to access the raw selection.
-			var TinyMCEWIndow = editor.getWin(),
-				selection = TinyMCEWIndow.getSelection();
+			var TinyMCEWindow = editor.getWin(),
+				selection = TinyMCEWindow.getSelection();
 
-			if ( selection.rangeCount <= 0 ) {
+			if ( ! selection || selection.rangeCount < 1 ) {
 				// no selection, no need to continue.
 				return;
 			}
@@ -852,19 +832,16 @@ window.wp = window.wp || {};
 				end = selection.end || selection.start;
 
 			if ( textArea.focus ) {
-				// focus and scroll to the position
+				// Wait for the Visual editor to be hidden, then focus and scroll to the position
 				setTimeout( function() {
+					textArea.setSelectionRange( start, end );
 					if ( textArea.blur ) {
 						// defocus before focusing
 						textArea.blur();
 					}
 					textArea.focus();
 				}, 100 );
-
-				textArea.focus();
 			}
-
-			textArea.setSelectionRange( start, end );
 		}
 
 		// Restore the selection when the editor is initialized. Needed when the Text editor is the default.
@@ -1035,10 +1012,6 @@ window.wp = window.wp || {};
 			// Normalize line breaks.
 			text = text.replace( /\r\n|\r/g, '\n' );
 
-			if ( text.indexOf( '\n' ) === -1 ) {
-				return text;
-			}
-
 			// Remove line breaks from <object>.
 			if ( text.indexOf( '<object' ) !== -1 ) {
 				text = text.replace( /<object[\s\S]+?<\/object>/g, function( a ) {

wp-admin/js/plugin-install.js

@@ -146,8 +146,13 @@ jQuery( document ).ready( function( $ ) {
 		}
 	}
 
-	// Open the Plugin details modal.
-	$( '.thickbox.open-plugin-details-modal' ).on( 'click', function( e ) {
+	/*
+	 * Open the Plugin details modal. The event is delegated to get also the links
+	 * in the plugins search tab, after the AJAX search rebuilds the HTML. It's
+	 * delegated on the closest ancestor and not on the body to avoid conflicts
+	 * with other handlers, see Trac ticket #43082.
+	 */
+	$( '.wrap' ).on( 'click', '.thickbox.open-plugin-details-modal', function( e ) {
 		// The `data-title` attribute is used only in the Plugin screens.
 		var title = $( this ).data( 'title' ) ? plugininstallL10n.plugin_information + ' ' + $( this ).data( 'title' ) : plugininstallL10n.plugin_modal_label;
 

wp-admin/js/plugin-install.min.js

@@ -1 +1 @@
-var tb_position;jQuery(document).ready(function(a){function b(){var b=e.find("#TB_iframeContent");f=b.contents().find("body"),c(),h.focus(),a("#plugin-information-tabs a",f).on("click",function(){c()}),f.on("keydown",function(a){27===a.which&&tb_remove()})}function c(){var b;g=a(":tabbable",f),h=e.find("#TB_closeWindowButton"),i=g.last(),b=h.add(i),b.off("keydown.wp-plugin-details"),b.on("keydown.wp-plugin-details",function(a){d(a)})}function d(a){9===a.which&&(i[0]!==a.target||a.shiftKey?h[0]===a.target&&a.shiftKey&&(a.preventDefault(),i.focus()):(a.preventDefault(),h.focus()))}var e,f,g,h,i,j=a(),k=a(".upload-view-toggle"),l=a(".wrap"),m=a(document.body);tb_position=function(){var b=a(window).width(),c=a(window).height()-(792<b?60:20),d=792<b?772:b-20;return e=a("#TB_window"),e.length&&(e.width(d).height(c),a("#TB_iframeContent").width(d).height(c),e.css({"margin-left":"-"+parseInt(d/2,10)+"px"}),"undefined"!=typeof document.body.style.maxWidth&&e.css({top:"30px","margin-top":"0"})),a("a.thickbox").each(function(){var b=a(this).attr("href");b&&(b=b.replace(/&width=[0-9]+/g,""),b=b.replace(/&height=[0-9]+/g,""),a(this).attr("href",b+"&width="+d+"&height="+c))})},a(window).resize(function(){tb_position()}),m.on("thickbox:iframe:loaded",e,function(){e.hasClass("plugin-details-modal")&&b()}).on("thickbox:removed",function(){j.focus()}),a(".thickbox.open-plugin-details-modal").on("click",function(b){var c=a(this).data("title")?plugininstallL10n.plugin_information+" "+a(this).data("title"):plugininstallL10n.plugin_modal_label;b.preventDefault(),b.stopPropagation(),j=a(this),tb_click.call(this),e.attr({role:"dialog","aria-label":plugininstallL10n.plugin_modal_label}).addClass("plugin-details-modal"),e.find("#TB_iframeContent").attr("title",c)}),a("#plugin-information-tabs a").click(function(b){var c=a(this).attr("name");b.preventDefault(),a("#plugin-information-tabs a.current").removeClass("current"),a(this).addClass("current"),"description"!==c&&a(window).width()<772?a("#plugin-information-content").find(".fyi").hide():a("#plugin-information-content").find(".fyi").show(),a("#section-holder div.section").hide(),a("#section-"+c).show()}),l.hasClass("plugin-install-tab-upload")||k.attr({role:"button","aria-expanded":"false"}).on("click",function(a){a.preventDefault(),m.toggleClass("show-upload-view"),k.attr("aria-expanded",m.hasClass("show-upload-view"))})});
+var tb_position;jQuery(document).ready(function(a){function b(){var b=e.find("#TB_iframeContent");f=b.contents().find("body"),c(),h.focus(),a("#plugin-information-tabs a",f).on("click",function(){c()}),f.on("keydown",function(a){27===a.which&&tb_remove()})}function c(){var b;g=a(":tabbable",f),h=e.find("#TB_closeWindowButton"),i=g.last(),b=h.add(i),b.off("keydown.wp-plugin-details"),b.on("keydown.wp-plugin-details",function(a){d(a)})}function d(a){9===a.which&&(i[0]!==a.target||a.shiftKey?h[0]===a.target&&a.shiftKey&&(a.preventDefault(),i.focus()):(a.preventDefault(),h.focus()))}var e,f,g,h,i,j=a(),k=a(".upload-view-toggle"),l=a(".wrap"),m=a(document.body);tb_position=function(){var b=a(window).width(),c=a(window).height()-(792<b?60:20),d=792<b?772:b-20;return e=a("#TB_window"),e.length&&(e.width(d).height(c),a("#TB_iframeContent").width(d).height(c),e.css({"margin-left":"-"+parseInt(d/2,10)+"px"}),"undefined"!=typeof document.body.style.maxWidth&&e.css({top:"30px","margin-top":"0"})),a("a.thickbox").each(function(){var b=a(this).attr("href");b&&(b=b.replace(/&width=[0-9]+/g,""),b=b.replace(/&height=[0-9]+/g,""),a(this).attr("href",b+"&width="+d+"&height="+c))})},a(window).resize(function(){tb_position()}),m.on("thickbox:iframe:loaded",e,function(){e.hasClass("plugin-details-modal")&&b()}).on("thickbox:removed",function(){j.focus()}),a(".wrap").on("click",".thickbox.open-plugin-details-modal",function(b){var c=a(this).data("title")?plugininstallL10n.plugin_information+" "+a(this).data("title"):plugininstallL10n.plugin_modal_label;b.preventDefault(),b.stopPropagation(),j=a(this),tb_click.call(this),e.attr({role:"dialog","aria-label":plugininstallL10n.plugin_modal_label}).addClass("plugin-details-modal"),e.find("#TB_iframeContent").attr("title",c)}),a("#plugin-information-tabs a").click(function(b){var c=a(this).attr("name");b.preventDefault(),a("#plugin-information-tabs a.current").removeClass("current"),a(this).addClass("current"),"description"!==c&&a(window).width()<772?a("#plugin-information-content").find(".fyi").hide():a("#plugin-information-content").find(".fyi").show(),a("#section-holder div.section").hide(),a("#section-"+c).show()}),l.hasClass("plugin-install-tab-upload")||k.attr({role:"button","aria-expanded":"false"}).on("click",function(a){a.preventDefault(),m.toggleClass("show-upload-view"),k.attr("aria-expanded",m.hasClass("show-upload-view"))})});

wp-admin/js/theme.js

@@ -102,7 +102,7 @@ themes.view.Appearance = wp.Backbone.View.extend({
 			collection: self.collection,
 			parent: this
 		});
-		self.searchView = view;
+		self.SearchView = view;
 
 		// Render and append after screen title
 		view.render();
@@ -1448,7 +1448,7 @@ themes.Run = {
 		this.render();
 
 		// Start debouncing user searches after Backbone.history.start().
-		this.view.searchView.doSearch = _.debounce( this.view.searchView.doSearch, 500 );
+		this.view.SearchView.doSearch = _.debounce( this.view.SearchView.doSearch, 500 );
 	},
 
 	render: function() {
@@ -1924,7 +1924,7 @@ themes.RunInstaller = {
 		this.render();
 
 		// Start debouncing user searches after Backbone.history.start().
-		this.view.searchView.doSearch = _.debounce( this.view.searchView.doSearch, 500 );
+		this.view.SearchView.doSearch = _.debounce( this.view.SearchView.doSearch, 500 );
 	},
 
 	render: function() {

wp-admin/js/updates.js

@@ -2437,7 +2437,7 @@
 				return;
 			}
 
-			if ( 'undefined' === typeof message.action ) {
+			if ( ! message || 'undefined' === typeof message.action ) {
 				return;
 			}
 

wp-admin/js/widgets.js

@@ -513,9 +513,10 @@ wpWidgets = {
 	save : function( widget, del, animate, order ) {
 		var self = this, data, a,
 			sidebarId = widget.closest( 'div.widgets-sortables' ).attr( 'id' ),
-			form = widget.find( 'form' );
+			form = widget.find( 'form' ),
+			isAdd = widget.find( 'input.add_new' ).val();
 
-		if ( ! del && form.prop( 'checkValidity' ) && ! form[0].checkValidity() ) {
+		if ( ! del && ! isAdd && form.prop( 'checkValidity' ) && ! form[0].checkValidity() ) {
 			return;
 		}
 

wp-admin/js/widgets/custom-html-widgets.js

@@ -204,7 +204,7 @@ wp.customHtmlWidgets = ( function( $ ) {
 				 * @returns {void}
 				 */
 				onUpdateErrorNotice: function onUpdateErrorNotice( errorAnnotations ) {
-					control.saveButton.toggleClass( 'validation-blocked disabled', errorAnnotations.length );
+					control.saveButton.toggleClass( 'validation-blocked disabled', errorAnnotations.length > 0 );
 					control.updateErrorNotice( errorAnnotations );
 				}
 			});

wp-admin/network/settings.php

@@ -83,7 +83,7 @@ if ( $_POST ) {
 	);
 
 	// Handle translation installation.
-	if ( ! empty( $_POST['WPLANG'] ) && current_user_can( 'install_languages' ) ) {
+	if ( ! empty( $_POST['WPLANG'] ) && current_user_can( 'install_languages' ) && wp_can_install_language_pack() ) {
 		$language = wp_download_language_pack( $_POST['WPLANG'] );
 		if ( $language ) {
 			$_POST['WPLANG'] = $language;
@@ -374,14 +374,16 @@ if ( isset( $_GET['updated'] ) ) {
 							$lang = '';
 						}
 
-						wp_dropdown_languages( array(
-							'name'         => 'WPLANG',
-							'id'           => 'WPLANG',
-							'selected'     => $lang,
-							'languages'    => $languages,
-							'translations' => $translations,
-							'show_available_translations' => current_user_can( 'install_languages' ),
-						) );
+						wp_dropdown_languages(
+							array(
+								'name'         => 'WPLANG',
+								'id'           => 'WPLANG',
+								'selected'     => $lang,
+								'languages'    => $languages,
+								'translations' => $translations,
+								'show_available_translations' => current_user_can( 'install_languages' ) && wp_can_install_language_pack(),
+							)
+						);
 						?>
 					</td>
 				</tr>

wp-admin/network/site-new.php

@@ -68,7 +68,7 @@ if ( isset($_REQUEST['action']) && 'add-site' == $_REQUEST['action'] ) {
 			$meta['WPLANG'] = ''; // en_US
 		} elseif ( in_array( $_POST['WPLANG'], get_available_languages() ) ) {
 			$meta['WPLANG'] = $_POST['WPLANG'];
-		} elseif ( current_user_can( 'install_languages' ) ) {
+		} elseif ( current_user_can( 'install_languages' ) && wp_can_install_language_pack() ) {
 			$language = wp_download_language_pack( wp_unslash( $_POST['WPLANG'] ) );
 			if ( $language ) {
 				$meta['WPLANG'] = $language;
@@ -230,14 +230,16 @@ if ( ! empty( $messages ) ) {
 						$lang = '';
 					}
 
-					wp_dropdown_languages( array(
-						'name'                        => 'WPLANG',
-						'id'                          => 'site-language',
-						'selected'                    => $lang,
-						'languages'                   => $languages,
-						'translations'                => $translations,
-						'show_available_translations' => current_user_can( 'install_languages' ),
-					) );
+					wp_dropdown_languages(
+						array(
+							'name'                        => 'WPLANG',
+							'id'                          => 'site-language',
+							'selected'                    => $lang,
+							'languages'                   => $languages,
+							'translations'                => $translations,
+							'show_available_translations' => current_user_can( 'install_languages' ) && wp_can_install_language_pack(),
+						)
+					);
 					?>
 				</td>
 			</tr>

wp-admin/options-general.php

@@ -158,7 +158,7 @@ if ( ! empty( $languages ) || ! empty( $translations ) ) {
 				'selected'     => $locale,
 				'languages'    => $languages,
 				'translations' => $translations,
-				'show_available_translations' => current_user_can( 'install_languages' ),
+				'show_available_translations' => current_user_can( 'install_languages' ) && wp_can_install_language_pack(),
 			) );
 
 			// Add note about deprecated WPLANG constant.

wp-admin/options.php

@@ -180,9 +180,11 @@ if ( 'update' == $action ) {
 		if ( ! empty( $_POST['WPLANG'] ) && current_user_can( 'install_languages' ) ) {
 			require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
 
-			$language = wp_download_language_pack( $_POST['WPLANG'] );
-			if ( $language ) {
-				$_POST['WPLANG'] = $language;
+			if ( wp_can_install_language_pack() ) {
+				$language = wp_download_language_pack( $_POST['WPLANG'] );
+				if ( $language ) {
+					$_POST['WPLANG'] = $language;
+				}
 			}
 		}
 	}

wp-admin/privacy.php

@@ -19,7 +19,7 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 
 <h1><?php printf( __( 'Welcome to WordPress %s' ), $display_version ); ?></h1>
 
-<p class="about-text"><?php printf( __( 'Thank you for updating to the latest version! WordPress %s helps you get your site set up the way you want it.' ), $display_version ); ?></p>
+<p class="about-text"><?php printf( __( 'Thank you for updating to the latest version! WordPress %s will smooth your design workflow and keep you safe from coding errors.' ), $display_version ); ?></p>
 
 <div class="wp-badge"><?php printf( __( 'Version %s' ), $display_version ); ?></div>
 

wp-admin/theme-editor.php

@@ -229,20 +229,20 @@ if ( $theme->errors() )
 ?>
 <div id="templateside">
 	<h2 id="theme-files-label"><?php _e( 'Theme Files' ); ?></h2>
-	<?php
-	if ( $has_templates || $theme->parent() ) :
-		if ( $theme->parent() ) {
-			/* translators: %s: link to edit parent theme */
-			echo '<p class="howto">' . sprintf( __( 'This child theme inherits templates from a parent theme, %s.' ),
-				sprintf( '<a href="%s">%s</a>',
-					self_admin_url( 'theme-editor.php?theme=' . urlencode( $theme->get_template() ) ),
-					$theme->parent()->display( 'Name' )
-				)
-			) . "</p>\n";
-		}
-	endif;
-	?>
 	<ul role="tree" aria-labelledby="theme-files-label">
+		<?php if ( ( $has_templates || $theme->parent() ) && $theme->parent() ) : ?>
+			<li class="howto">
+				<?php
+				/* translators: %s: link to edit parent theme */
+				echo sprintf( __( 'This child theme inherits templates from a parent theme, %s.' ),
+					sprintf( '<a href="%s">%s</a>',
+						self_admin_url( 'theme-editor.php?theme=' . urlencode( $theme->get_template() ) ),
+						$theme->parent()->display( 'Name' )
+					)
+				);
+				?>
+			</li>
+		<?php endif; ?>
 		<li role="treeitem" tabindex="-1" aria-expanded="true" aria-level="1" aria-posinset="1" aria-setsize="1">
 			<ul role="group">
 				<?php wp_print_theme_file_tree( wp_make_theme_file_tree( $allowed_files ) ); ?>
@@ -322,7 +322,7 @@ if ( ! in_array( 'theme_editor_notice', $dismissed_pointers, true ) ) :
 					echo sprintf(
 						/* translators: %s: Codex URL */
 						__( 'You appear to be making direct edits to your theme in the WordPress dashboard. We recommend that you don&#8217;t! Editing your theme directly could break your site and your changes may be lost in future updates. If you need to tweak more than your theme&#8217;s CSS, you might want to try <a href="%s">making a child theme</a>.' ),
-						esc_url( 'https://codex.wordpress.org/Child_Themes' )
+						esc_url( __( 'https://codex.wordpress.org/Child_Themes' ) )
 					);
 					?>
 				</p>

wp-admin/theme-install.php

@@ -207,7 +207,7 @@ include(ABSPATH . 'wp-admin/admin-header.php');
 			foreach ( $features as $feature => $feature_name ) {
 				$feature = esc_attr( $feature );
 				echo '<input type="checkbox" id="filter-id-' . $feature . '" value="' . $feature . '" /> ';
-				echo '<label for="filter-id-' . $feature . '">' . $feature_name . '</label><br>';
+				echo '<label for="filter-id-' . $feature . '">' . $feature_name . '</label>';
 			}
 			echo '</div>';
 			echo '</fieldset>';

wp-admin/user-new.php

@@ -75,7 +75,7 @@ if ( isset($_REQUEST['action']) && 'adduser' == $_REQUEST['action'] ) {
 				$redirect = add_query_arg( array( 'update' => 'could_not_add' ), 'user-new.php' );
 			}
 		} else {
-			$newuser_key = substr( md5( $user_id ), 0, 5 );
+			$newuser_key = wp_generate_password( 20, false );
 			add_option( 'new_user_' . $newuser_key, array( 'user_id' => $user_id, 'email' => $user_details->user_email, 'role' => $_REQUEST[ 'role' ] ) );
 
 			$roles = get_editable_roles();

wp-content/themes/twentyseventeen/front-page.php

@@ -22,7 +22,7 @@ get_header(); ?>
 			while ( have_posts() ) : the_post();
 				get_template_part( 'template-parts/page/content', 'front-page' );
 			endwhile;
-		else : // I'm not sure it's possible to have no posts when this page is shown, but WTH.
+		else :
 			get_template_part( 'template-parts/post/content', 'none' );
 		endif; ?>
 

wp-includes/capabilities.php

@@ -432,15 +432,7 @@ function map_meta_cap( $cap, $user_id ) {
 		break;
 	case 'install_languages':
 	case 'update_languages':
-		if ( ! function_exists( 'request_filesystem_credentials' ) ) {
-			require_once( ABSPATH . 'wp-admin/includes/file.php' );
-		}
-
-		if ( ! function_exists( 'wp_can_install_language_pack' ) ) {
-			require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
-		}
-
-		if ( ! wp_can_install_language_pack() ) {
+		if ( ! wp_is_file_mod_allowed( 'can_install_language_pack' ) ) {
 			$caps[] = 'do_not_allow';
 		} elseif ( is_multisite() && ! is_super_admin( $user_id ) ) {
 			$caps[] = 'do_not_allow';

wp-includes/category-template.php

@@ -20,7 +20,7 @@ function get_category_link( $category ) {
 	if ( ! is_object( $category ) )
 		$category = (int) $category;
 
-	$category = get_term_link( $category, 'category' );
+	$category = get_term_link( $category );
 
 	if ( is_wp_error( $category ) )
 		return '';
@@ -104,7 +104,7 @@ function get_the_category( $id = false ) {
  */
 function get_the_category_by_ID( $cat_ID ) {
 	$cat_ID = (int) $cat_ID;
-	$category = get_term( $cat_ID, 'category' );
+	$category = get_term( $cat_ID );
 
 	if ( is_wp_error( $category ) )
 		return $category;
@@ -1065,15 +1065,7 @@ function walk_category_dropdown_tree() {
  * @return string Link on success, empty string if tag does not exist.
  */
 function get_tag_link( $tag ) {
-	if ( ! is_object( $tag ) )
-		$tag = (int) $tag;
-
-	$tag = get_term_link( $tag, 'post_tag' );
-
-	if ( is_wp_error( $tag ) )
-		return '';
-
-	return $tag;
+	return get_category_link( $tag );
 }
 
 /**
@@ -1161,20 +1153,20 @@ function tag_description( $tag = 0 ) {
  * Retrieve term description.
  *
  * @since 2.8.0
+ * @since 4.9.2 The `$taxonomy` parameter was deprecated.
  *
- * @param int $term Optional. Term ID. Will use global term ID by default.
- * @param string $taxonomy Optional taxonomy name. Defaults to 'post_tag'.
+ * @param int  $term       Optional. Term ID. Will use global term ID by default.
+ * @param null $deprecated Deprecated argument.
  * @return string Term description, available.
  */
-function term_description( $term = 0, $taxonomy = 'post_tag' ) {
+function term_description( $term = 0, $deprecated = null ) {
 	if ( ! $term && ( is_tax() || is_tag() || is_category() ) ) {
 		$term = get_queried_object();
 		if ( $term ) {
-			$taxonomy = $term->taxonomy;
 			$term = $term->term_id;
 		}
 	}
-	$description = get_term_field( 'description', $term, $taxonomy );
+	$description = get_term_field( 'description', $term );
 	return is_wp_error( $description ) ? '' : $description;
 }
 

wp-includes/class-wp-customize-manager.php

@@ -607,8 +607,11 @@ final class WP_Customize_Manager {
 	 * enabled, then a new UUID will be generated.
 	 *
 	 * @since 4.9.0
+	 * @global string $pagenow
 	 */
 	public function establish_loaded_changeset() {
+		global $pagenow;
+
 		if ( empty( $this->_changeset_uuid ) ) {
 			$changeset_uuid = null;
 
@@ -635,7 +638,9 @@ final class WP_Customize_Manager {
 			$this->_changeset_uuid = $changeset_uuid;
 		}
 
-		$this->set_changeset_lock( $this->changeset_post_id() );
+		if ( is_admin() && 'customize.php' === $pagenow ) {
+			$this->set_changeset_lock( $this->changeset_post_id() );
+		}
 	}
 
 	/**
@@ -1130,7 +1135,7 @@ final class WP_Customize_Manager {
 		if ( ! $changeset_post_id ) {
 			$this->_changeset_data = array();
 		} else {
-			if ( $this->autosaved() ) {
+			if ( $this->autosaved() && is_user_logged_in() ) {
 				$autosave_post = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
 				if ( $autosave_post ) {
 					$data = $this->get_changeset_post_data( $autosave_post->ID );
@@ -2873,10 +2878,12 @@ final class WP_Customize_Manager {
 				$post_array['edit_date'] = true; // Prevent date clearing.
 				$r = wp_update_post( wp_slash( $post_array ), true );
 
-				// Delete autosave revision when the changeset is updated.
-				$autosave_draft = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
-				if ( $autosave_draft ) {
-					wp_delete_post( $autosave_draft->ID, true );
+				// Delete autosave revision for user when the changeset is updated.
+				if ( ! empty( $args['user_id'] ) ) {
+					$autosave_draft = wp_get_post_autosave( $changeset_post_id, $args['user_id'] );
+					if ( $autosave_draft ) {
+						wp_delete_post( $autosave_draft->ID, true );
+					}
 				}
 			}
 		} else {
@@ -3163,15 +3170,26 @@ final class WP_Customize_Manager {
 	 * @return array The Heartbeat response.
 	 */
 	public function check_changeset_lock_with_heartbeat( $response, $data, $screen_id ) {
-		if ( array_key_exists( 'check_changeset_lock', $data ) && 'customize' === $screen_id && current_user_can( 'customize' ) && $this->changeset_post_id() ) {
-			$lock_user_id = wp_check_post_lock( $this->changeset_post_id() );
+		if ( isset( $data['changeset_uuid'] ) ) {
+			$changeset_post_id = $this->find_changeset_post_id( $data['changeset_uuid'] );
+		} else {
+			$changeset_post_id = $this->changeset_post_id();
+		}
+
+		if (
+			array_key_exists( 'check_changeset_lock', $data )
+			&& 'customize' === $screen_id
+			&& $changeset_post_id
+			&& current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id )
+		) {
+			$lock_user_id = wp_check_post_lock( $changeset_post_id );
 
 			if ( $lock_user_id ) {
 				$response['customize_changeset_lock_user'] = $this->get_lock_user_data( $lock_user_id );
 			} else {
 
 				// Refreshing time will ensure that the user is sitting on customizer and has not closed the customizer tab.
-				$this->refresh_changeset_lock( $this->changeset_post_id() );
+				$this->refresh_changeset_lock( $changeset_post_id );
 			}
 		}
 
@@ -3488,6 +3506,11 @@ final class WP_Customize_Manager {
 	 * @since 4.9.0
 	 */
 	public function handle_dismiss_autosave_or_lock_request() {
+		// Calls to dismiss_user_auto_draft_changesets() and wp_get_post_autosave() require non-zero get_current_user_id().
+		if ( ! is_user_logged_in() ) {
+			wp_send_json_error( 'unauthenticated', 401 );
+		}
+
 		if ( ! $this->is_preview() ) {
 			wp_send_json_error( 'not_preview', 400 );
 		}
@@ -3939,6 +3962,22 @@ final class WP_Customize_Manager {
 	 * @since 4.1.0
 	 */
 	public function render_control_templates() {
+		if ( $this->branching() ) {
+			$l10n = array(
+				/* translators: %s: User who is customizing the changeset in customizer. */
+				'locked' => __( '%s is already customizing this changeset. Please wait until they are done to try customizing. Your latest changes have been autosaved.' ),
+				/* translators: %s: User who is customizing the changeset in customizer. */
+				'locked_allow_override' => __( '%s is already customizing this changeset. Do you want to take over?' ),
+			);
+		} else {
+			$l10n = array(
+				/* translators: %s: User who is customizing the changeset in customizer. */
+				'locked' => __( '%s is already customizing this site. Please wait until they are done to try customizing. Your latest changes have been autosaved.' ),
+				/* translators: %s: User who is customizing the changeset in customizer. */
+				'locked_allow_override' => __( '%s is already customizing this site. Do you want to take over?' ),
+			);
+		}
+
 		foreach ( $this->registered_control_types as $control_type ) {
 			$control = new $control_type( $this, 'temp', array(
 				'settings' => array(),
@@ -4101,13 +4140,11 @@ final class WP_Customize_Manager {
 							{{{ data.message }}}
 						<# } else if ( data.allowOverride ) { #>
 							<?php
-							/* translators: %s: User who is customizing the changeset in customizer. */
-							printf( __( '%s is already customizing this site. Do you want to take over?' ), '{{ data.lockUser.name }}' );
+							echo esc_html( sprintf( $l10n['locked_allow_override'], '{{ data.lockUser.name }}' ) );
 							?>
 						<# } else { #>
 							<?php
-							/* translators: %s: User who is customizing the changeset in customizer. */
-							printf( __( '%s is already customizing this site. Please wait until they are done to try customizing. Your latest changes have been autosaved.' ), '{{ data.lockUser.name }}' );
+							echo esc_html( sprintf( $l10n['locked'], '{{ data.lockUser.name }}' ) );
 							?>
 						<# } #>
 					</p>
@@ -4125,6 +4162,18 @@ final class WP_Customize_Manager {
 			</li>
 		</script>
 
+		<script type="text/html" id="tmpl-customize-code-editor-lint-error-notification">
+			<li class="notice notice-{{ data.type || 'info' }} {{ data.alt ? 'notice-alt' : '' }} {{ data.dismissible ? 'is-dismissible' : '' }} {{ data.containerClasses || '' }}" data-code="{{ data.code }}" data-type="{{ data.type }}">
+				<div class="notification-message">{{{ data.message || data.code }}}</div>
+
+				<p>
+					<# var elementId = 'el-' + String( Math.random() ); #>
+					<input id="{{ elementId }}" type="checkbox">
+					<label for="{{ elementId }}"><?php _e( 'Update anyway, even though it might break your site?' ); ?></label>
+				</p>
+			</li>
+		</script>
+
 		<?php
 		/* The following template is obsolete in core but retained for plugins. */
 		?>
@@ -4543,7 +4592,9 @@ final class WP_Customize_Manager {
 		$changeset_post_id = $this->changeset_post_id();
 		if ( ! $this->saved_starter_content_changeset && ! $this->autosaved() ) {
 			if ( $changeset_post_id ) {
-				$autosave_revision_post = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
+				if ( is_user_logged_in() ) {
+					$autosave_revision_post = wp_get_post_autosave( $changeset_post_id, get_current_user_id() );
+				}
 			} else {
 				$autosave_autodraft_posts = $this->get_changeset_posts( array(
 					'posts_per_page' => 1,
@@ -4624,8 +4675,9 @@ final class WP_Customize_Manager {
 				'previewFrameSensitivity' => 2000,
 			),
 			'theme'    => array(
-				'stylesheet' => $this->get_stylesheet(),
-				'active'     => $this->is_theme_active(),
+				'stylesheet'  => $this->get_stylesheet(),
+				'active'      => $this->is_theme_active(),
+				'_canInstall' => current_user_can( 'install_themes' ),
 			),
 			'url'      => array(
 				'preview'       => esc_url_raw( $this->get_preview_url() ),

wp-includes/class-wp-customize-nav-menus.php

@@ -49,6 +49,7 @@ final class WP_Customize_Nav_Menus {
 		add_action( 'customize_register', array( $this, 'customize_register' ), 11 );
 		add_filter( 'customize_dynamic_setting_args', array( $this, 'filter_dynamic_setting_args' ), 10, 2 );
 		add_filter( 'customize_dynamic_setting_class', array( $this, 'filter_dynamic_setting_class' ), 10, 3 );
+		add_action( 'customize_save_nav_menus_created_posts', array( $this, 'save_nav_menus_created_posts' ) );
 
 		// Skip remaining hooks when the user can't manage nav menus anyway.
 		if ( ! current_user_can( 'edit_theme_options' ) ) {
@@ -64,7 +65,6 @@ final class WP_Customize_Nav_Menus {
 		add_action( 'customize_controls_print_footer_scripts', array( $this, 'available_items_template' ) );
 		add_action( 'customize_preview_init', array( $this, 'customize_preview_init' ) );
 		add_action( 'customize_preview_init', array( $this, 'make_auto_draft_status_previewable' ) );
-		add_action( 'customize_save_nav_menus_created_posts', array( $this, 'save_nav_menus_created_posts' ) );
 
 		// Selective Refresh partials.
 		add_filter( 'customize_dynamic_partial_args', array( $this, 'customize_dynamic_partial_args' ), 10, 2 );
@@ -370,6 +370,22 @@ final class WP_Customize_Nav_Menus {
 			}
 		}
 
+		// Add "Home" link if search term matches. Treat as a page, but switch to custom on add.
+		if ( isset( $args['s'] ) ) {
+			$title = _x( 'Home', 'nav menu home label' );
+			$matches = function_exists( 'mb_stripos' ) ? false !== mb_stripos( $title, $args['s'] ) : false !== stripos( $title, $args['s'] );
+			if ( $matches ) {
+				$items[] = array(
+					'id'         => 'home',
+					'title'      => $title,
+					'type'       => 'custom',
+					'type_label' => __( 'Custom Link' ),
+					'object'     => '',
+					'url'        => home_url(),
+				);
+			}
+		}
+
 		/**
 		 * Filters the available menu items during a search request.
 		 *

wp-includes/class-wp-query.php

@@ -3032,7 +3032,15 @@ class WP_Query {
 			 */
 			$this->found_posts = $wpdb->get_var( apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &$this ) ) );
 		} else {
-			$this->found_posts = count( $this->posts );
+			if ( is_array( $this->posts ) ) {
+				$this->found_posts = count( $this->posts );
+			} else {
+				if ( null === $this->posts ) {  
+					$this->found_posts = 0;
+				} else {
+					$this->found_posts = 1;
+				}
+			}
 		}
 
 		/**

wp-includes/class-wp-theme.php

@@ -984,34 +984,10 @@ final class WP_Theme implements ArrayAccess {
 	 *               being absolute paths.
 	 */
 	public function get_files( $type = null, $depth = 0, $search_parent = false ) {
-		// get and cache all theme files to start with.
-		$label = sanitize_key( 'files_' . $this->cache_hash . '-' . $this->get( 'Version' ) );
-		$transient_key = substr( $label, 0, 29 ) . md5( $label );
+		$files = (array) self::scandir( $this->get_stylesheet_directory(), $type, $depth );
 
-		$all_files = get_transient( $transient_key );
-		if ( false === $all_files ) {
-			$all_files = (array) self::scandir( $this->get_stylesheet_directory(), null, -1 );
-
-			if ( $search_parent && $this->parent() ) {
-				$all_files += (array) self::scandir( $this->get_template_directory(), null, -1 );
-			}
-
-			set_transient( $transient_key, $all_files, HOUR_IN_SECONDS );
-		}
-
-		// Filter $all_files by $type & $depth.
-		$files = array();
-		if ( $type ) {
-			$type = (array) $type;
-			$_extensions = implode( '|', $type );
-		}
-		foreach ( $all_files as $key => $file ) {
-			if ( $depth >= 0 && substr_count( $key, '/' ) > $depth ) {
-				continue; // Filter by depth.
-			}
-			if ( ! $type || preg_match( '~\.(' . $_extensions . ')$~', $file ) ) { // Filter by type.
-				$files[ $key ] = $file;
-			}
+		if ( $search_parent && $this->parent() ) {
+			$files += (array) self::scandir( $this->get_template_directory(), $type, $depth );
 		}
 
 		return $files;

wp-includes/css/editor-rtl.css

@@ -730,10 +730,10 @@ div.mce-menu .mce-menu-item-sep,
 	cursor: default;
 }
 
-.mce-menubtn.mce-fixed-width button {
+.mce-menubtn.mce-fixed-width span {
 	overflow-x: hidden;
 	text-overflow: ellipsis;
-	width: 110px;
+	width: 82px;
 }
 
 /* Charmap modal */

wp-includes/css/editor.css

@@ -730,10 +730,10 @@ div.mce-menu .mce-menu-item-sep,
 	cursor: default;
 }
 
-.mce-menubtn.mce-fixed-width button {
+.mce-menubtn.mce-fixed-width span {
 	overflow-x: hidden;
 	text-overflow: ellipsis;
-	width: 110px;
+	width: 82px;
 }
 
 /* Charmap modal */

wp-includes/customize/class-wp-customize-nav-menu-control.php

@@ -35,11 +35,20 @@ class WP_Customize_Nav_Menu_Control extends WP_Customize_Control {
 	 * @since 4.3.0
 	 */
 	public function content_template() {
+		$add_items = __( 'Add Items' );
 		?>
-		<p class="new-menu-item-invitation"><?php _e( 'Time to add some links! Click &#8220;Add menu items&#8221; to start putting pages, categories, and custom links in your menu. Add as many things as you&#8217;d like.' ); ?></p>
+		<p class="new-menu-item-invitation">
+			<?php
+			printf(
+				/* translators: %s: "Add Items" button text */
+				__( 'Time to add some links! Click &#8220;%s&#8221; to start putting pages, categories, and custom links in your menu. Add as many things as you&#8217;d like.' ),
+				$add_items
+			);
+			?>
+		</p>
 		<div class="customize-control-nav_menu-buttons">
 			<button type="button" class="button add-new-menu-item" aria-label="<?php esc_attr_e( 'Add or remove menu items' ); ?>" aria-expanded="false" aria-controls="available-menu-items">
-				<?php _e( 'Add Items' ); ?>
+				<?php echo $add_items; ?>
 			</button>
 			<button type="button" class="button-link reorder-toggle" aria-label="<?php esc_attr_e( 'Reorder menu items' ); ?>" aria-describedby="reorder-items-desc-{{ data.menu_id }}">
 				<span class="reorder"><?php _e( 'Reorder' ); ?></span>

wp-includes/customize/class-wp-customize-themes-section.php

@@ -163,7 +163,7 @@ class WP_Customize_Themes_Section extends WP_Customize_Section {
 						<div class="filter-group-feature">
 							<?php foreach ( $features as $feature => $feature_name ) : ?>
 								<input type="checkbox" id="filter-id-<?php echo esc_attr( $feature ); ?>" value="<?php echo esc_attr( $feature ); ?>" />
-								<label for="filter-id-<?php echo esc_attr( $feature ); ?>"><?php echo esc_html( $feature_name ); ?></label><br>
+								<label for="filter-id-<?php echo esc_attr( $feature ); ?>"><?php echo esc_html( $feature_name ); ?></label>
 							<?php endforeach; ?>
 						</div>
 					</fieldset>

wp-includes/default-filters.php

@@ -114,7 +114,7 @@ foreach ( array( 'single_post_title', 'single_cat_title', 'single_tag_title', 's
 }
 
 // Format text area for display.
-foreach ( array( 'term_description', 'get_the_author_description', 'get_the_post_type_description' ) as $filter ) {
+foreach ( array( 'term_description', 'get_the_post_type_description' ) as $filter ) {
 	add_filter( $filter, 'wptexturize'      );
 	add_filter( $filter, 'convert_chars'    );
 	add_filter( $filter, 'wpautop'          );
@@ -342,6 +342,10 @@ add_action( 'template_redirect',  'wp_old_slug_redirect'              );
 add_action( 'post_updated',       'wp_check_for_changed_slugs', 12, 3 );
 add_action( 'attachment_updated', 'wp_check_for_changed_slugs', 12, 3 );
 
+// Redirect Old Dates
+add_action( 'post_updated',       'wp_check_for_changed_dates', 12, 3 );
+add_action( 'attachment_updated', 'wp_check_for_changed_dates', 12, 3 );
+
 // Nonce check for Post Previews
 add_action( 'init', '_show_post_preview' );
 

wp-includes/feed.php

@@ -476,7 +476,7 @@ function rss_enclosure() {
 				 *
 				 * @param string $html_link_tag The HTML link tag with a URI and other attributes.
 				 */
-				echo apply_filters( 'rss_enclosure', '<enclosure url="' . trim( htmlspecialchars( $enclosure[0] ) ) . '" length="' . trim( $enclosure[1] ) . '" type="' . $type . '" />' . "\n" );
+				echo apply_filters( 'rss_enclosure', '<enclosure url="' . esc_url( trim( $enclosure[0] ) ) . '" length="' . absint( trim( $enclosure[1] ) ) . '" type="' . esc_attr( $type ) . '" />' . "\n" );
 			}
 		}
 	}
@@ -510,7 +510,7 @@ function atom_enclosure() {
 				 *
 				 * @param string $html_link_tag The HTML link tag with a URI and other attributes.
 				 */
-				echo apply_filters( 'atom_enclosure', '<link href="' . trim( htmlspecialchars( $enclosure[0] ) ) . '" rel="enclosure" length="' . trim( $enclosure[1] ) . '" type="' . trim( $enclosure[2] ) . '" />' . "\n" );
+				echo apply_filters( 'atom_enclosure', '<link href="' . esc_url( trim( $enclosure[0] ) ) . '" rel="enclosure" length="' . absint( trim( $enclosure[1] ) ) . '" type="' . esc_attr( trim( $enclosure[2] ) ) . '" />' . "\n" );
 			}
 		}
 	}

wp-includes/functions.php

@@ -2449,6 +2449,7 @@ function wp_get_mime_types() {
 	'ra|ram' => 'audio/x-realaudio',
 	'wav' => 'audio/wav',
 	'ogg|oga' => 'audio/ogg',
+	'flac' => 'audio/flac',
 	'mid|midi' => 'audio/midi',
 	'wma' => 'audio/x-ms-wma',
 	'wax' => 'audio/x-ms-wax',
@@ -2534,7 +2535,7 @@ function wp_get_ext_types() {
 	 */
 	return apply_filters( 'ext2type', array(
 		'image'       => array( 'jpg', 'jpeg', 'jpe',  'gif',  'png',  'bmp',   'tif',  'tiff', 'ico' ),
-		'audio'       => array( 'aac', 'ac3',  'aif',  'aiff', 'm3a',  'm4a',   'm4b',  'mka',  'mp1',  'mp2',  'mp3', 'ogg', 'oga', 'ram', 'wav', 'wma' ),
+		'audio'       => array( 'aac', 'ac3',  'aif',  'aiff', 'flac', 'm3a',  'm4a',   'm4b',  'mka',  'mp1',  'mp2',  'mp3', 'ogg', 'oga', 'ram', 'wav', 'wma' ),
 		'video'       => array( '3g2',  '3gp', '3gpp', 'asf', 'avi',  'divx', 'dv',   'flv',  'm4v',   'mkv',  'mov',  'mp4',  'mpeg', 'mpg', 'mpv', 'ogm', 'ogv', 'qt',  'rm', 'vob', 'wmv' ),
 		'document'    => array( 'doc', 'docx', 'docm', 'dotm', 'odt',  'pages', 'pdf',  'xps',  'oxps', 'rtf',  'wp', 'wpd', 'psd', 'xcf' ),
 		'spreadsheet' => array( 'numbers',     'ods',  'xls',  'xlsx', 'xlsm',  'xlsb' ),
@@ -2561,8 +2562,9 @@ function get_allowed_mime_types( $user = null ) {
 	if ( function_exists( 'current_user_can' ) )
 		$unfiltered = $user ? user_can( $user, 'unfiltered_html' ) : current_user_can( 'unfiltered_html' );
 
-	if ( empty( $unfiltered ) )
-		unset( $t['htm|html'] );
+	if ( empty( $unfiltered ) ) {
+		unset( $t['htm|html'], $t['js'] );
+	}
 
 	/**
 	 * Filters list of allowed mime types and file extensions.
@@ -5736,6 +5738,13 @@ function wp_cache_get_last_changed( $group ) {
  * @param string $option_name The relevant database option name.
  */
 function wp_site_admin_email_change_notification( $old_email, $new_email, $option_name ) {
+	$send = true;
+
+	// Don't send the notification to the default 'admin_email' value.
+	if ( 'you@example.com' === $old_email ) {
+		$send = false;
+	}
+
 	/**
 	 * Filters whether to send the site admin email change notification email.
 	 *
@@ -5745,7 +5754,7 @@ function wp_site_admin_email_change_notification( $old_email, $new_email, $optio
 	 * @param string $old_email The old site admin email address.
 	 * @param string $new_email The new site admin email address.
 	 */
-	$send = apply_filters( 'send_site_admin_email_change_email', true, $old_email, $new_email );
+	$send = apply_filters( 'send_site_admin_email_change_email', $send, $old_email, $new_email );
 
 	if ( ! $send ) {
 		return;

wp-includes/general-template.php

@@ -703,7 +703,7 @@ function get_bloginfo( $show = '', $filter = 'raw' ) {
 			 */
 			$output = __( 'html_lang_attribute' );
 			if ( 'html_lang_attribute' === $output || preg_match( '/[^a-zA-Z0-9-]/', $output ) ) {
-				$output = get_locale();
+				$output = is_admin() ? get_user_locale() : get_locale();
 				$output = str_replace( '_', '-', $output );
 			}
 			break;
@@ -2885,7 +2885,7 @@ function wp_resource_hints() {
 	 * The path is removed in the foreach loop below.
 	 */
 	/** This filter is documented in wp-includes/formatting.php */
-	$hints['dns-prefetch'][] = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/2.3/svg/' );
+	$hints['dns-prefetch'][] = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/2.4/svg/' );
 
 	foreach ( $hints as $relation_type => $urls ) {
 		$unique_urls = array();
@@ -3029,7 +3029,7 @@ function user_can_richedit() {
 			if ( $is_safari ) {
 				$wp_rich_edit = ! wp_is_mobile() || ( preg_match( '!AppleWebKit/(\d+)!', $_SERVER['HTTP_USER_AGENT'], $match ) && intval( $match[1] ) >= 534 );
 			} elseif ( $is_IE ) {
-				$wp_rich_edit = ( strpos( $_SERVER['HTTP_USER_AGENT'], 'MSIE ' ) === false );
+				$wp_rich_edit = ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Trident/7.0;' ) !== false );
 			} elseif ( $is_gecko || $is_chrome || $is_edge || ( $is_opera && !wp_is_mobile() ) ) {
 				$wp_rich_edit = true;
 			}
@@ -3155,6 +3155,8 @@ function wp_enqueue_code_editor( $args ) {
 				'Ctrl-/' => 'toggleComment',
 				'Cmd-/' => 'toggleComment',
 				'Alt-F' => 'findPersistent',
+				'Ctrl-F'     => 'findPersistent',
+				'Cmd-F'      => 'findPersistent',
 			),
 			'direction' => 'ltr', // Code is shown in LTR even in RTL languages.
 			'gutters' => array(),
@@ -3197,7 +3199,7 @@ function wp_enqueue_code_editor( $args ) {
 		'htmlhint' => array(
 			'tagname-lowercase' => true,
 			'attr-lowercase' => true,
-			'attr-value-double-quotes' => true,
+			'attr-value-double-quotes' => false,
 			'doctype-first' => false,
 			'tag-pair' => true,
 			'spec-char-escape' => true,
@@ -3568,12 +3570,14 @@ function get_language_attributes( $doctype = 'html' ) {
 	if ( function_exists( 'is_rtl' ) && is_rtl() )
 		$attributes[] = 'dir="rtl"';
 
-	if ( $lang = get_bloginfo('language') ) {
-		if ( get_option('html_type') == 'text/html' || $doctype == 'html' )
-			$attributes[] = "lang=\"$lang\"";
+	if ( $lang = get_bloginfo( 'language' ) ) {
+		if ( get_option( 'html_type' ) == 'text/html' || $doctype == 'html' ) {
+			$attributes[] = 'lang="' . esc_attr( $lang ) . '"';
+		}
 
-		if ( get_option('html_type') != 'text/html' || $doctype == 'xhtml' )
-			$attributes[] = "xml:lang=\"$lang\"";
+		if ( get_option( 'html_type' ) != 'text/html' || $doctype == 'xhtml' ) {
+			$attributes[] = 'xml:lang="' . esc_attr( $lang ) . '"';
+		}
 	}
 
 	$output = implode(' ', $attributes);

wp-includes/js/customize-selective-refresh.js

@@ -488,6 +488,10 @@ wp.customize.selectiveRefresh = ( function( $, api ) {
 				wp.mediaelement.initialize();
 			}
 
+			if ( wp.playlist ) {
+				wp.playlist.initialize();
+			}
+
 			/**
 			 * Announce when a partial's placement has been rendered so that dynamic elements can be re-built.
 			 */

wp-includes/js/mce-view.js

@@ -863,7 +863,7 @@
 
 			// Obtain the target width for the embed.
 			if ( self.editor ) {
-				maxwidth = self.editor.iframeElement.clientWidth - 20; // Minus the sum of horizontal margins and borders.
+				maxwidth = self.editor.getBody().clientWidth;
 			}
 
 			wp.ajax.post( this.action, {

wp-includes/js/media-views.js

@@ -4173,10 +4173,6 @@ Modal = wp.media.View.extend(/** @lends wp.media.view.Modal.prototype */{
 	tagName:  'div',
 	template: wp.template('media-modal'),
 
-	attributes: {
-		tabindex: 0
-	},
-
 	events: {
 		'click .media-modal-backdrop, .media-modal-close': 'escapeHandler',
 		'keydown': 'keydown'
@@ -4188,8 +4184,7 @@ Modal = wp.media.View.extend(/** @lends wp.media.view.Modal.prototype */{
 		_.defaults( this.options, {
 			container: document.body,
 			title:     '',
-			propagate: true,
-			freeze:    true
+			propagate: true
 		});
 
 		this.focusManager = new wp.media.view.FocusManager({
@@ -4244,7 +4239,6 @@ Modal = wp.media.View.extend(/** @lends wp.media.view.Modal.prototype */{
 	 */
 	open: function() {
 		var $el = this.$el,
-			options = this.options,
 			mceEditor;
 
 		if ( $el.is(':visible') ) {
@@ -4257,13 +4251,6 @@ Modal = wp.media.View.extend(/** @lends wp.media.view.Modal.prototype */{
 			this.attach();
 		}
 
-		// If the `freeze` option is set, record the window's scroll position.
-		if ( options.freeze ) {
-			this._freeze = {
-				scrollTop: $( window ).scrollTop()
-			};
-		}
-
 		// Disable page scrolling.
 		$( 'body' ).addClass( 'modal-open' );
 
@@ -4271,7 +4258,7 @@ Modal = wp.media.View.extend(/** @lends wp.media.view.Modal.prototype */{
 
 		// Try to close the onscreen keyboard
 		if ( 'ontouchend' in document ) {
-			if ( ( mceEditor = window.tinymce && window.tinymce.activeEditor )  && ! mceEditor.isHidden() && mceEditor.iframeElement ) {
+			if ( ( mceEditor = window.tinymce && window.tinymce.activeEditor ) && ! mceEditor.isHidden() && mceEditor.iframeElement ) {
 				mceEditor.iframeElement.focus();
 				mceEditor.iframeElement.blur();
 
@@ -4281,7 +4268,8 @@ Modal = wp.media.View.extend(/** @lends wp.media.view.Modal.prototype */{
 			}
 		}
 
-		this.$el.focus();
+		// Set initial focus on the content instead of this view element, to avoid page scrolling.
+		this.$( '.media-modal' ).focus();
 
 		return this.propagate('open');
 	},
@@ -4291,8 +4279,6 @@ Modal = wp.media.View.extend(/** @lends wp.media.view.Modal.prototype */{
 	 * @returns {wp.media.view.Modal} Returns itself to allow chaining
 	 */
 	close: function( options ) {
-		var freeze = this._freeze;
-
 		if ( ! this.views.attached || ! this.$el.is(':visible') ) {
 			return this;
 		}
@@ -4312,11 +4298,6 @@ Modal = wp.media.View.extend(/** @lends wp.media.view.Modal.prototype */{
 
 		this.propagate('close');
 
-		// If the `freeze` option is set, restore the container's scroll position.
-		if ( freeze ) {
-			$( window ).scrollTop( freeze.scrollTop );
-		}
-
 		if ( options && options.escape ) {
 			this.propagate('escape');
 		}
@@ -8957,18 +8938,28 @@ Cropper = View.extend(/** @lends wp.media.view.Cropper.prototype */{
 		imgOptions = _.extend(imgOptions, {
 			parent: this.$el,
 			onInit: function() {
-				this.parent.children().on( 'mousedown touchstart', function( e ){
 
-					if ( e.shiftKey ) {
+				// Store the set ratio.
+				var setRatio = imgSelect.getOptions().aspectRatio;
+
+				// On mousedown, if no ratio is set and the Shift key is down, use a 1:1 ratio.
+				this.parent.children().on( 'mousedown touchstart', function( e ) {
+
+					// If no ratio is set and the shift key is down, use a 1:1 ratio.
+					if ( ! setRatio && e.shiftKey ) {
 						imgSelect.setOptions( {
 							aspectRatio: '1:1'
 						} );
-					} else {
-						imgSelect.setOptions( {
-							aspectRatio: false
-						} );
 					}
 				} );
+
+				this.parent.children().on( 'mouseup touchend', function() {
+
+					// Restore the set ratio.
+					imgSelect.setOptions( {
+						aspectRatio: setRatio ? setRatio : false
+					} );
+				} );
 			}
 		} );
 		this.trigger('image-loaded');

wp-includes/js/mediaelement/lang/ca.js

@@ -1,89 +0,0 @@
-'use strict';/*!
- * This is a `i18n` language object.
- *
- * Catalan
- *
- * @author
- * 	Tongro
- *
- * @see core/i18n.js
- */
-(function (exports) {
-	if (exports.ca === undefined) {
-		exports.ca = {
-			'mejs.plural-form': 1,			
-			'mejs.download-file': 'Descarregar arxiu',			
-			'mejs.install-flash': 'Esteu utilitzant un navegador que no tingui Flash Player activat o instal·lat. Activeu el vostre complement Flash Player o descarregueu la versió més recent de https://get.adobe.com/flashplayer/',			
-			'mejs.fullscreen': 'Pantalla completa',			
-			'mejs.play': 'Reproducció',
-			'mejs.pause': 'Pausa',			
-			'mejs.time-slider': 'Control lliscant de temps',
-			'mejs.time-help-text': 'Utilitzeu les tecles de fletxa esquerra / dreta per avançar un segon, fletxes amunt / avall per avançar deu segons.',
-			'mejs.live-broadcast' : 'Transmissió en directe',			
-			'mejs.volume-help-text': 'Utilitzeu les tecles de fletxa amunt / avall per augmentar o disminuir el volum.',
-			'mejs.unmute': 'Reactivar silenci',
-			'mejs.mute': 'Silenci',
-			'mejs.volume-slider': 'Control deslizador de volum',			
-			'mejs.video-player': 'Reproductor de vídeo',
-			'mejs.audio-player': 'Reproductor d\'àudio',			
-			'mejs.captions-subtitles': 'Llegendes/Subtítols',
-			'mejs.captions-chapters': 'Capítols',
-			'mejs.none': 'Ningú',
-			'mejs.afrikaans': 'Afrikaans',
-			'mejs.albanian': 'Albanès',
-			'mejs.arabic': 'Àrab',
-			'mejs.belarusian': 'Bielorús',
-			'mejs.bulgarian': 'Búlgar',
-			'mejs.catalan': 'Català',
-			'mejs.chinese': 'Xinès',
-			'mejs.chinese-simplified': 'Xinès (Simplificat)',
-			'mejs.chinese-traditional': 'Xinès (Tradicional)',
-			'mejs.croatian': 'Croat',
-			'mejs.czech': 'Txec',
-			'mejs.danish': 'Danès',
-			'mejs.dutch': 'Holandès',
-			'mejs.english': 'Anglès',
-			'mejs.estonian': 'Estonià',
-			'mejs.filipino': 'Filipí',
-			'mejs.finnish': 'Finlandès',
-			'mejs.french': 'Francès',
-			'mejs.galician': 'Gallec',
-			'mejs.german': 'Alemany',
-			'mejs.greek': 'Grec',
-			'mejs.haitian-creole': 'Crioll haitià',
-			'mejs.hebrew': 'Hebreu',
-			'mejs.hindi': 'Hindi',
-			'mejs.hungarian': 'Hongarès',
-			'mejs.icelandic': 'Islandès',
-			'mejs.indonesian': 'Indonesi',
-			'mejs.irish': 'Irlandès',
-			'mejs.italian': 'Italià',
-			'mejs.japanese': 'Japonès',
-			'mejs.korean': 'Coreà',
-			'mejs.latvian': 'Letó',
-			'mejs.lithuanian': 'Lituà',
-			'mejs.macedonian': 'Macedoni',
-			'mejs.malay': 'Malai',
-			'mejs.maltese': 'Maltès',
-			'mejs.norwegian': 'Noruec',
-			'mejs.persian': 'Persa',
-			'mejs.polish': 'Polonès',
-			'mejs.portuguese': 'Portuguès',
-			'mejs.romanian': 'Romanès',
-			'mejs.russian': 'Rus',
-			'mejs.serbian': 'Serbi',
-			'mejs.slovak': 'Eslovac',
-			'mejs.slovenian': 'Eslovè',
-			'mejs.spanish': 'Espanyol',
-			'mejs.swahili': 'Suahili',
-			'mejs.swedish': 'Suec',
-			'mejs.tagalog': 'Tagalog',
-			'mejs.thai': 'Thai',
-			'mejs.turkish': 'Turc',
-			'mejs.ukrainian': 'Ucraïnès',
-			'mejs.vietnamese': 'Vietnamita',
-			'mejs.welsh': 'Gal·lès',
-			'mejs.yiddish': 'Yiddish'
-		};
-	}
-})(mejs.i18n);

wp-includes/js/mediaelement/lang/cs.js

@@ -1,90 +0,0 @@
-'use strict';/*!
- * This is a `i18n` language object.
- *
- * Czech
- *
- * @author
- *   Jalios (Twitter: @Jalios)
- *   Sascha Greuel (Twitter: @SoftCreatR)
- *
- * @see core/i18n.js
- */
-(function (exports) {
-	if (exports.cs === undefined) {
-		exports.cs = {
-			'mejs.plural-form': 8,			
-			'mejs.download-file': 'Stáhnout soubor',			
-			'mejs.install-flash': 'Používáte prohlížeč, který nemá Flash Player povolen nebo nainstalován. Zapněte plugin Flash Player nebo stáhněte nejnovější verzi z adresy https://get.adobe.com/flashplayer/',			
-			'mejs.fullscreen': 'Celá obrazovka',			
-			'mejs.play': 'Přehrát',
-			'mejs.pause': 'Pozastavit',			
-			'mejs.time-slider': 'Posuvný běžec nastavení času',
-			'mejs.time-help-text': 'Použijte tlačítka se šipkami doleva / doprava pro posun o jednu vteřinu, tlačítka se šipkami nahoru / dolů pro posun o deset vteřin.',
-			'mejs.live-broadcast' : 'Živé vysílání',			
-			'mejs.volume-help-text': 'Použijte tlačítka se šipkami nahoru / dolů pro zesílení nebo zeslabení hlasitosti.',
-			'mejs.unmute': 'Zapnout zvuk',
-			'mejs.mute': 'Vypnout zvuk',
-			'mejs.volume-slider': 'Posuvný běžec nastavení hlasitosti',			
-			'mejs.video-player': 'Přehrávač videa',
-			'mejs.audio-player': 'Přehrávač hudby',			
-			'mejs.captions-subtitles': 'Titulky',
-			'mejs.captions-chapters': 'Kapitoly',
-			'mejs.none': 'Žádný',
-			'mejs.afrikaans': 'Afrikánština',
-			'mejs.albanian': 'Albánský',
-			'mejs.arabic': 'Arabština',
-			'mejs.belarusian': 'Běloruské',
-			'mejs.bulgarian': 'Bulharský',
-			'mejs.catalan': 'Katalánština',
-			'mejs.chinese': 'čínština',
-			'mejs.chinese-simplified': 'Zjednodušená čínština)',
-			'mejs.chinese-traditional': 'Čínština (tradiční)',
-			'mejs.croatian': 'Chorvatský',
-			'mejs.czech': 'čeština',
-			'mejs.danish': 'Dánština',
-			'mejs.dutch': 'Holandský',
-			'mejs.english': 'Angličtina',
-			'mejs.estonian': 'Estonština',
-			'mejs.filipino': 'Filipino',
-			'mejs.finnish': 'Finština',
-			'mejs.french': 'Francouzština',
-			'mejs.galician': 'Galicijština',
-			'mejs.german': 'Němec',
-			'mejs.greek': 'řecký',
-			'mejs.haitian-creole': 'Haitian kreolský',
-			'mejs.hebrew': 'Hebrejština',
-			'mejs.hindi': 'Hindština',
-			'mejs.hungarian': 'Maďarský',
-			'mejs.icelandic': 'Islandský',
-			'mejs.indonesian': 'Indonéština',
-			'mejs.irish': 'Irština',
-			'mejs.italian': 'Italština',
-			'mejs.japanese': 'Japonský',
-			'mejs.korean': 'Korejština',
-			'mejs.latvian': 'Lotyšský',
-			'mejs.lithuanian': 'Lithuanian',
-			'mejs.macedonian': 'Makedonština',
-			'mejs.malay': 'Malay',
-			'mejs.maltese': 'Maltština',
-			'mejs.norwegian': 'Norština',
-			'mejs.persian': 'Peršan',
-			'mejs.polish': 'Polština',
-			'mejs.portuguese': 'Portugalština',
-			'mejs.romanian': 'Rumunština',
-			'mejs.russian': 'Ruština',
-			'mejs.serbian': 'Srbština',
-			'mejs.slovak': 'Slovák',
-			'mejs.slovenian': 'Slovinský',
-			'mejs.spanish': 'španělština',
-			'mejs.swahili': 'Svahilský',
-			'mejs.swedish': 'švédský',
-			'mejs.tagalog': 'Tagalog',
-			'mejs.thai': 'Thajština',
-			'mejs.turkish': 'Turečtina',
-			'mejs.ukrainian': 'Ukrajinština',
-			'mejs.vietnamese': 'Vietnamština',
-			'mejs.welsh': 'Velština',
-			'mejs.yiddish': 'Jidiš'
-		};
-	}
-})(mejs.i18n);