diff --git a/wp-admin/about.php b/wp-admin/about.php
index caca10fadf..d23af10f0b 100644
--- a/wp-admin/about.php
+++ b/wp-admin/about.php
@@ -61,12 +61,12 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 		<div class="feature-section two-col">
 			<h2><?php _e( 'Editing Improvements' ); ?></h2>
 			<div class="col">
-				<img src="https://cldup.com/klO9vWGiT3.png" />
+				<img src="https://cldup.com/klO9vWGiT3.png" alt="" />
 				<h3><?php _e( 'Inline Linking' ); ?></h3>
 				<p><?php _e( 'Stay focused on your writing with a less distracting interface that keeps you in place and allows you to easily link to your content.' ); ?></p>
 			</div>
 			<div class="col">
-				<img src="https://cldup.com/TE-OBMWHkX.png" />
+				<img src="https://cldup.com/TE-OBMWHkX.png" alt="" />
 				<h3><?php _e( 'Formatting Shortcuts' ); ?></h3>
 				<p><?php _e( 'Do you enjoy using formatting shortcuts for lists and headings? Now they&#8217;re even more useful, with horizontal lines and <code>&lt;code&gt;</code>.' ); ?></p>
 			</div>
@@ -77,27 +77,35 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 		<div class="feature-section two-col">
 			<h2><?php _e( 'Customization Improvements' ); ?></h2>
 			<div class="col">
-				<img src="https://cldup.com/0iRJNVbt4G.png" />
+				<img src="https://cldup.com/0iRJNVbt4G.png" alt="" />
 				<h3><?php _e( 'Live Responsive Previews' ); ?></h3>
-				<?php
-				if ( current_user_can( 'customize' ) ) {
-					$customize_url = esc_url( admin_url( 'customize.php' ) );
-					$customizer_link = sprintf( __( '<a href="%1$s" class="load-customize">%2$s</a>' ), $customize_url, __( 'customizer' ) );
-				} else {
-					$customizer_link = __( 'customizer' );
-				}
-				?>
-				<p><?php printf( __( 'Make sure your site looks great on all screens! Preview mobile, tablet, and desktop views directly in the %s.' ), $customizer_link ); ?></p>
+				<p><?php _e( 'Make sure your site looks great on all screens!' ); ?>
+					<?php
+					if ( current_user_can( 'customize' ) ) {
+						$customize_url = admin_url( 'customize.php' );
+						printf(
+							/* translators: %s: URL to customizer */
+							__( 'Preview mobile, tablet, and desktop views directly in the <a href="%s" class="load-customize">customizer</a>.' ),
+							esc_url( $customize_url )
+						);
+					} else {
+						_e( 'Preview mobile, tablet, and desktop views directly in the customizer.' );
+					}
+				?></p>
 			</div>
 			<div class="col">
-				<img src="https://cldup.com/HWDA8xR_8G.png" />
+				<img src="https://cldup.com/HWDA8xR_8G.png" alt="" />
 				<h3><?php _e( 'Custom Logos' ); ?></h3>
 				<p><?php _e( 'Themes can now support logos for your business or brand.' ); ?>
 					<?php
 					if ( current_theme_supports( 'custom-logo' ) && current_user_can( 'customize' ) ) {
-						printf( __( 'Your theme supports custom logos! Try it out right now in the <a href="%s" class="load-customize">Site Identity</a> section of the customizer.' ), add_query_arg( 'autofocus[section]', 'title_tagline', $customize_url ) );
+						printf(
+							/* translators: %s: URL to Site Identity section of the customizer */
+							__( 'Your theme supports custom logos! Try it out right now in the <a href="%s" class="load-customize">Site Identity</a> section of the customizer.' ),
+							esc_url( add_query_arg( array( 'autofocus' => array( 'section' => 'title_tagline' ) ), $customize_url ) )
+						);
 					} else {
-						_e( 'The Twenty Fifteen and Twenty Sixteen themes have been updated to support custom logos, which can be found in the Site Identity section of the Customizer.' );
+						_e( 'The Twenty Fifteen and Twenty Sixteen themes have been updated to support custom logos, which can be found in the Site Identity section of the customizer.' );
 					}
 					?></p>
 			</div>
@@ -106,40 +114,71 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 		<hr />
 
 		<div class="changelog">
-			<h3><?php _e( 'Under the Hood' ); ?></h3>
+			<h2><?php _e( 'Under the Hood' ); ?></h2>
 
 			<div class="under-the-hood three-col">
 				<div class="col">
-					<h4><?php _e( 'Smart Image Resizing' ); ?></h4>
-					<p><?php printf( __( 'Generated images now load up to 50&#37; faster with no noticeable quality loss. <a href="%s">It&#8217;s really cool</a>.' ), 'https://make.wordpress.org/core/2016/03/12/performance-improvements-for-images-in-wordpress-4-5/' ); ?></p>
+					<h3><?php _e( 'Smart Image Resizing' ); ?></h3>
+					<p><?php
+						printf(
+							/* translators: %s: URL to the development post of the new feature */
+							__( 'Generated images now load up to 50&#37; faster with no noticeable quality loss. <a href="%s">It&#8217;s really cool</a>.' ),
+							'https://make.wordpress.org/core/2016/03/12/performance-improvements-for-images-in-wordpress-4-5/'
+						);
+					?></p>
 				</div>
 				<div class="col">
-					<h4><?php _e( 'Selective Refresh' ); ?></h4>
-					<p><?php 
-						printf( __( 'The customizer now supports a <a href="%s">comprehensive framework</a> for rendering parts of the preview without rewriting your PHP code in JavaScript.' ), 'https://make.wordpress.org/core/2016/02/16/selective-refresh-in-the-customizer/' );
+					<h3><?php _e( 'Selective Refresh' ); ?></h3>
+					<p><?php
+						printf(
+							/* translators: %s: URL to the development post of the new feature */
+							__( 'The customizer now supports a <a href="%s">comprehensive framework</a> for rendering parts of the preview without rewriting your PHP code in JavaScript.' ),
+							'https://make.wordpress.org/core/2016/02/16/selective-refresh-in-the-customizer/'
+						);
 						if ( current_user_can( 'customize' ) && current_user_can( 'edit_theme_options' ) ) {
 							if ( current_theme_supports( 'menus' ) && ! current_theme_supports( 'customize-selective-refresh-widgets' ) ) {
-								printf( ' ' . __( 'See it in action with <a href="%1$s" class="load-customize">Menus</a>.' ), add_query_arg( 'autofocus[panel]', 'nav_menus', $customize_url ) );
+								printf(
+									/* translators: %s: URL to Menus section of the customizer  */
+									' ' . __( 'See it in action with <a href="%s" class="load-customize">Menus</a>.' ),
+									esc_url( add_query_arg( array( 'autofocus' => array( 'panel' => 'nav_menus' ) ), $customize_url ) )
+								);
 							} elseif ( current_theme_supports( 'customize-selective-refresh-widgets' ) ) { // If widgets are supported, menus are also because of the menus widget.
-								printf( ' ' . __( 'See it in action with <a href="%1$s" class="load-customize">Menus</a> or <a href="%2$s" class="load-customize">Widgets</a>.' ), add_query_arg( 'autofocus[panel]', 'nav_menus', $customize_url ), add_query_arg( 'autofocus[panel]', 'widgets', $customize_url ) );
+								printf(
+									/* translators: 1: URL to Menus section of the customizer, 2: URL to Widgets section of the customizer */
+									' ' . __( 'See it in action with <a href="%1$s" class="load-customize">Menus</a> or <a href="%2$s" class="load-customize">Widgets</a>.' ),
+									esc_url( add_query_arg( array( 'autofocus' => array( 'panel' => 'nav_menus' ) ), $customize_url ) ),
+									esc_url( add_query_arg( array( 'autofocus' => array( 'panel' => 'widgets' ) ), $customize_url ) )
+								);
 							}
 						}
 					?></p>
 				</div>
 				<div class="col">
-					<h4><?php _e( 'JavaScript Library Updates' ); ?></h4>
+					<h3><?php _e( 'JavaScript Library Updates' ); ?></h3>
 					<p><?php _e( 'jQuery 1.12.3, jQuery Migrate 1.4.0, Backbone 1.2.3, and Underscore 1.8.3 are bundled.' ); ?></p>
 				</div>
 			</div>
 
 			<div class="under-the-hood two-col">
 				<div class="col">
-					<h4><?php _e( 'Script Loader Improvements' ); ?></h4>
-					<p><?php printf( __( 'Better support has been added for script header/footer dependencies. New <code><a href="%s">wp_add_inline_script()</a></code> enables adding extra code to registered scripts.' ), 'https://make.wordpress.org/core/2016/03/08/enhanced-script-loader-in-wordpress-4-5/' ); ?></p>
+					<h3><?php _e( 'Script Loader Improvements' ); ?></h3>
+					<p><?php
+						printf(
+							/* translators: %s: wp_add_inline_script() */
+							__( 'Better support has been added for script header/footer dependencies. New %s enables adding extra code to registered scripts.' ),
+							'<code><a href="https://make.wordpress.org/core/2016/03/08/enhanced-script-loader-in-wordpress-4-5/">wp_add_inline_script()</a></code>'
+						);
+					?></p>
 				</div>
 				<div class="col">
-					<h4><?php _e( 'Better Embed Templates' ); ?></h4>
-					<p><?php printf( __( 'Embed templates have been split into parts and can be <a href="%s">directly overridden by themes</a> via the template hierarchy.' ), 'https://make.wordpress.org/core/2016/03/11/embeds-changes-in-wordpress-4-5/' ); ?></p>
+					<h3><?php _e( 'Better Embed Templates' ); ?></h3>
+					<p><?php
+						printf(
+							/* translators: %s: URL to the development post of the new feature */
+							__( 'Embed templates have been split into parts and can be <a href="%s">directly overridden by themes</a> via the template hierarchy.' ),
+							'https://make.wordpress.org/core/2016/03/11/embeds-changes-in-wordpress-4-5/'
+						);
+					?></p>
 				</div>
 			</div>
 
diff --git a/wp-admin/credits.php b/wp-admin/credits.php
index 8457cd3838..3b29c0361f 100644
--- a/wp-admin/credits.php
+++ b/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>
 
-<div class="about-text"><?php printf( __( 'Thank you for updating! WordPress %s makes your site more connected and responsive.' ), $display_version ); ?></div>
+<div class="about-text"><?php printf( __( 'Thank you for updating! WordPress %s streamlines your workflow, whether you&#8217;re writing or building your site.' ), $display_version ); ?></div>
 
 <div class="wp-badge"><?php printf( __( 'Version %s' ), $display_version ); ?></div>
 
@@ -118,5 +118,7 @@ __( 'Contributing Developers' );
 __( 'Cofounder, Project Lead' );
 __( 'Lead Developer' );
 __( 'Release Lead' );
+__( 'Release Design Lead' );
+__( 'Release Deputy' );
 __( 'Core Developer' );
 __( 'External Libraries' );
diff --git a/wp-admin/css/about-rtl.css b/wp-admin/css/about-rtl.css
index 29de46ad23..4ee7cda355 100644
--- a/wp-admin/css/about-rtl.css
+++ b/wp-admin/css/about-rtl.css
@@ -109,20 +109,30 @@
 	text-align: center;
 }
 
+.about-wrap .changelog h2,
 .about-wrap h3 {
 	margin: 1.25em 0 .6em;
 	font-size: 1.25em;
 	line-height: 1.5em;
 }
 
-.about-wrap .changelog h3 {
+.about-wrap .changelog h2 {
 	margin-top: 40px;
+	font-weight: 600;
+	text-align: right;
 }
 
 .about-wrap h4 {
 	color: #23282d;
 }
 
+.about-wrap .changelog h3 {
+	margin: 1.33em 0;
+	font-size: 1em;
+	line-height: inherit;
+	color: #23282d;
+}
+
 .about-wrap code,
 .about-wrap ol li p {
 	font-size: 14px;
diff --git a/wp-admin/css/about-rtl.min.css b/wp-admin/css/about-rtl.min.css
index 042e10b8b4..cc3ff12961 100644
--- a/wp-admin/css/about-rtl.min.css
+++ b/wp-admin/css/about-rtl.min.css
@@ -1 +1 @@
-.about-wrap{position:relative;margin:25px 20px 0 40px;max-width:1050px;font-size:15px}.about-wrap .notice,.about-wrap div.error,.about-wrap div.updated{display:none!important}.about-wrap hr{border:0;height:0;margin:0;border-top:1px solid rgba(0,0,0,.1)}.about-wrap img{margin:0;max-width:100%;height:auto;vertical-align:middle}.about-wrap .jetpack-video-wrapper{margin-bottom:0}.wp-badge{background:url(../images/w-logo-white.png?ver=20160308) center 25px no-repeat #0073aa;-webkit-background-size:80px 80px;background-size:80px 80px;color:#fff;font-size:14px;text-align:center;font-weight:600;margin:5px 0 0;padding-top:120px;height:40px;display:inline-block;width:140px;text-rendering:optimizeLegibility;-webkit-box-shadow:0 1px 3px rgba(0,0,0,.2);box-shadow:0 1px 3px rgba(0,0,0,.2)}.svg .wp-badge{background-image:url(../images/wordpress-logo-white.svg?ver=20160308)}.about-wrap .wp-badge{position:absolute;top:0;left:0}.about-wrap .nav-tab{padding-left:15px;padding-right:15px;font-size:18px}.about-wrap p{line-height:1.6em;font-size:14px}.about-wrap h1{margin:.2em 0 0 200px;padding:0;color:#32373c;line-height:1.2em;font-size:2.8em;font-weight:400}.about-wrap h2{margin:50px 0 1em;font-size:1.8em;line-height:1.3;font-weight:300;text-align:center}.about-wrap h3{margin:1.25em 0 .6em;font-size:1.25em;line-height:1.5em}.about-wrap .changelog h3{margin-top:40px}.about-wrap h4{color:#23282d}.about-wrap code,.about-wrap ol li p{font-size:14px;font-weight:400}.about-wrap .about-description,.about-wrap .about-text{margin-top:1.4em;font-weight:400;line-height:1.6em;font-size:19px}.about-wrap .about-text{margin:1em 0 1em 200px;min-height:60px;color:#555d66}.about-wrap [class$=col] .col{float:right;position:relative}.about-wrap .two-col .col{margin-left:4.799999999%;width:47.6%}.about-wrap .two-col img{margin-bottom:1.5em}.about-wrap .feature-section.two-col .col{display:inline-block;float:none;margin-top:1em;margin-left:4.799999999%;width:-webkit-calc(47.6% - 4px);width:calc(47.6% - 4px);vertical-align:top}.about-wrap .three-col .col{margin-left:4.999999999%;width:29.95%}.about-wrap .three-col .col:nth-of-type(3n),.about-wrap .two-col .col:nth-of-type(2n){margin-left:0}.about-wrap .under-the-hood{clear:both;overflow:hidden}.about-wrap .under-the-hood:nth-of-type(2n){margin-top:3em}.about-wrap .point-releases{margin-top:5px;border-bottom:1px solid #ddd}.about-wrap .changelog.point-releases h3{padding-top:35px}.about-wrap .changelog.point-releases h3:first-child{padding-top:7px}.about-wrap .headline-feature h2{margin:30px 0;font-size:2.2em;font-weight:300;line-height:1.3;text-align:center}.about-wrap .headline-feature h3{margin-top:0;text-align:right}.about-wrap .embed-container,.about-wrap .featured-image{text-align:center}.about-wrap .feature-section.two-col h3{margin-top:0}.about-wrap .feature-section h4{margin:1.4em 0 .6em;font-size:1em}.about-wrap .feature-section p{margin-top:.6em}.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}.about-wrap .two-col-text p:first-of-type{margin-top:0}.about-wrap .headline-feature.feature-video{position:relative;margin:40px 0;padding-bottom:56.25%;width:100%;max-width:100%;height:0;text-align:center}.about-wrap .feature-video embed{position:absolute;top:0;right:0;width:100%;height:100%}.about-wrap .feature-section{overflow:hidden;padding:0 0 40px}.about-wrap .headline-feature{margin:0 auto;max-width:80%}.about-wrap .changelog.feature-section .col,.about-wrap .feature-section .col{margin-top:40px}.about-wrap .feature-section .media-container{overflow:hidden}.about-wrap .embed-container iframe,.about-wrap .wp-embedded-content{max-width:100%}.about-wrap .changelog{margin-bottom:40px}.about-wrap .return-to-dashboard{margin:30px -5px 0 0;font-size:14px;font-weight:700}.about-wrap .return-to-dashboard a{text-decoration:none;padding:0 5px}.about-wrap h3.wp-people-group{margin:2.6em 0 1.33em;padding:0;font-size:16px;line-height:inherit}.about-wrap .wp-people-group{padding:0 5px;margin:0 -5px 0 -15px}.about-wrap .compact{margin-bottom:0}.about-wrap .wp-person{display:inline-block;vertical-align:top;margin-left:10px;padding-bottom:15px;height:70px;width:280px}.about-wrap .compact .wp-person{height:auto;width:180px;padding-bottom:0;margin-bottom:0}.about-wrap .wp-person .gravatar{float:right;margin:0 0 10px 10px;padding:1px;width:60px;height:60px}.about-wrap .compact .wp-person .gravatar{width:30px;height:30px}.about-wrap .wp-person .web{margin:6px 0 2px;font-size:16px;font-weight:400;line-height:2em;text-decoration:none}.about-wrap .wp-person .title{display:block}.about-wrap #wp-people-group-validators+p.wp-credits-list{margin-top:0}.about-wrap p.wp-credits-list a{white-space:nowrap}.freedoms-php .about-wrap ol{margin:40px 60px}.freedoms-php .about-wrap ol li{list-style-type:decimal;font-weight:700}.freedoms-php .about-wrap ol p{font-weight:400;margin:.6em 0}@media screen and (max-width:782px){.about-wrap .two-col-text{-webkit-column-count:1;-moz-column-count:1;column-count:1}.about-wrap .three-col img{display:block;margin:0 auto}}@media only screen and (max-width:500px){.about-wrap{margin-left:20px;margin-right:10px}.about-wrap .about-text,.about-wrap h1{margin-left:0}.about-wrap .about-text{margin-bottom:.25em}.about-wrap .wp-badge{position:relative;margin-bottom:1.5em;width:100%}.about-wrap .three-col .col,.about-wrap .two-col .col{width:100%!important;float:none!important}.about-wrap .under-the-hood.one-col .col,.about-wrap .under-the-hood.three-col .col,.about-wrap .under-the-hood.two-col .col{margin-bottom:2em;padding-bottom:0}.about-wrap .under-the-hood:nth-of-type(2n){margin-top:0}.about-wrap .under-the-hood:nth-of-type(2n) h4{margin-top:0}}
\ No newline at end of file
+.about-wrap{position:relative;margin:25px 20px 0 40px;max-width:1050px;font-size:15px}.about-wrap .notice,.about-wrap div.error,.about-wrap div.updated{display:none!important}.about-wrap hr{border:0;height:0;margin:0;border-top:1px solid rgba(0,0,0,.1)}.about-wrap img{margin:0;max-width:100%;height:auto;vertical-align:middle}.about-wrap .jetpack-video-wrapper{margin-bottom:0}.wp-badge{background:url(../images/w-logo-white.png?ver=20160308) center 25px no-repeat #0073aa;-webkit-background-size:80px 80px;background-size:80px 80px;color:#fff;font-size:14px;text-align:center;font-weight:600;margin:5px 0 0;padding-top:120px;height:40px;display:inline-block;width:140px;text-rendering:optimizeLegibility;-webkit-box-shadow:0 1px 3px rgba(0,0,0,.2);box-shadow:0 1px 3px rgba(0,0,0,.2)}.svg .wp-badge{background-image:url(../images/wordpress-logo-white.svg?ver=20160308)}.about-wrap .wp-badge{position:absolute;top:0;left:0}.about-wrap .nav-tab{padding-left:15px;padding-right:15px;font-size:18px}.about-wrap p{line-height:1.6em;font-size:14px}.about-wrap h1{margin:.2em 0 0 200px;padding:0;color:#32373c;line-height:1.2em;font-size:2.8em;font-weight:400}.about-wrap h2{margin:50px 0 1em;font-size:1.8em;line-height:1.3;font-weight:300;text-align:center}.about-wrap .changelog h2,.about-wrap h3{margin:1.25em 0 .6em;font-size:1.25em;line-height:1.5em}.about-wrap .changelog h2{margin-top:40px;font-weight:600;text-align:right}.about-wrap h4{color:#23282d}.about-wrap .changelog h3{margin:1.33em 0;font-size:1em;line-height:inherit;color:#23282d}.about-wrap code,.about-wrap ol li p{font-size:14px;font-weight:400}.about-wrap .about-description,.about-wrap .about-text{margin-top:1.4em;font-weight:400;line-height:1.6em;font-size:19px}.about-wrap .about-text{margin:1em 0 1em 200px;min-height:60px;color:#555d66}.about-wrap [class$=col] .col{float:right;position:relative}.about-wrap .two-col .col{margin-left:4.799999999%;width:47.6%}.about-wrap .two-col img{margin-bottom:1.5em}.about-wrap .feature-section.two-col .col{display:inline-block;float:none;margin-top:1em;margin-left:4.799999999%;width:-webkit-calc(47.6% - 4px);width:calc(47.6% - 4px);vertical-align:top}.about-wrap .three-col .col{margin-left:4.999999999%;width:29.95%}.about-wrap .three-col .col:nth-of-type(3n),.about-wrap .two-col .col:nth-of-type(2n){margin-left:0}.about-wrap .under-the-hood{clear:both;overflow:hidden}.about-wrap .under-the-hood:nth-of-type(2n){margin-top:3em}.about-wrap .point-releases{margin-top:5px;border-bottom:1px solid #ddd}.about-wrap .changelog.point-releases h3{padding-top:35px}.about-wrap .changelog.point-releases h3:first-child{padding-top:7px}.about-wrap .headline-feature h2{margin:30px 0;font-size:2.2em;font-weight:300;line-height:1.3;text-align:center}.about-wrap .headline-feature h3{margin-top:0;text-align:right}.about-wrap .embed-container,.about-wrap .featured-image{text-align:center}.about-wrap .feature-section.two-col h3{margin-top:0}.about-wrap .feature-section h4{margin:1.4em 0 .6em;font-size:1em}.about-wrap .feature-section p{margin-top:.6em}.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}.about-wrap .two-col-text p:first-of-type{margin-top:0}.about-wrap .headline-feature.feature-video{position:relative;margin:40px 0;padding-bottom:56.25%;width:100%;max-width:100%;height:0;text-align:center}.about-wrap .feature-video embed{position:absolute;top:0;right:0;width:100%;height:100%}.about-wrap .feature-section{overflow:hidden;padding:0 0 40px}.about-wrap .headline-feature{margin:0 auto;max-width:80%}.about-wrap .changelog.feature-section .col,.about-wrap .feature-section .col{margin-top:40px}.about-wrap .feature-section .media-container{overflow:hidden}.about-wrap .embed-container iframe,.about-wrap .wp-embedded-content{max-width:100%}.about-wrap .changelog{margin-bottom:40px}.about-wrap .return-to-dashboard{margin:30px -5px 0 0;font-size:14px;font-weight:700}.about-wrap .return-to-dashboard a{text-decoration:none;padding:0 5px}.about-wrap h3.wp-people-group{margin:2.6em 0 1.33em;padding:0;font-size:16px;line-height:inherit}.about-wrap .wp-people-group{padding:0 5px;margin:0 -5px 0 -15px}.about-wrap .compact{margin-bottom:0}.about-wrap .wp-person{display:inline-block;vertical-align:top;margin-left:10px;padding-bottom:15px;height:70px;width:280px}.about-wrap .compact .wp-person{height:auto;width:180px;padding-bottom:0;margin-bottom:0}.about-wrap .wp-person .gravatar{float:right;margin:0 0 10px 10px;padding:1px;width:60px;height:60px}.about-wrap .compact .wp-person .gravatar{width:30px;height:30px}.about-wrap .wp-person .web{margin:6px 0 2px;font-size:16px;font-weight:400;line-height:2em;text-decoration:none}.about-wrap .wp-person .title{display:block}.about-wrap #wp-people-group-validators+p.wp-credits-list{margin-top:0}.about-wrap p.wp-credits-list a{white-space:nowrap}.freedoms-php .about-wrap ol{margin:40px 60px}.freedoms-php .about-wrap ol li{list-style-type:decimal;font-weight:700}.freedoms-php .about-wrap ol p{font-weight:400;margin:.6em 0}@media screen and (max-width:782px){.about-wrap .two-col-text{-webkit-column-count:1;-moz-column-count:1;column-count:1}.about-wrap .three-col img{display:block;margin:0 auto}}@media only screen and (max-width:500px){.about-wrap{margin-left:20px;margin-right:10px}.about-wrap .about-text,.about-wrap h1{margin-left:0}.about-wrap .about-text{margin-bottom:.25em}.about-wrap .wp-badge{position:relative;margin-bottom:1.5em;width:100%}.about-wrap .three-col .col,.about-wrap .two-col .col{width:100%!important;float:none!important}.about-wrap .under-the-hood.one-col .col,.about-wrap .under-the-hood.three-col .col,.about-wrap .under-the-hood.two-col .col{margin-bottom:2em;padding-bottom:0}.about-wrap .under-the-hood:nth-of-type(2n){margin-top:0}.about-wrap .under-the-hood:nth-of-type(2n) h4{margin-top:0}}
\ No newline at end of file
diff --git a/wp-admin/css/about.css b/wp-admin/css/about.css
index e2aac3415b..aad606fbed 100644
--- a/wp-admin/css/about.css
+++ b/wp-admin/css/about.css
@@ -109,20 +109,30 @@
 	text-align: center;
 }
 
+.about-wrap .changelog h2,
 .about-wrap h3 {
 	margin: 1.25em 0 .6em;
 	font-size: 1.25em;
 	line-height: 1.5em;
 }
 
-.about-wrap .changelog h3 {
+.about-wrap .changelog h2 {
 	margin-top: 40px;
+	font-weight: 600;
+	text-align: left;
 }
 
 .about-wrap h4 {
 	color: #23282d;
 }
 
+.about-wrap .changelog h3 {
+	margin: 1.33em 0;
+	font-size: 1em;
+	line-height: inherit;
+	color: #23282d;
+}
+
 .about-wrap code,
 .about-wrap ol li p {
 	font-size: 14px;
diff --git a/wp-admin/css/about.min.css b/wp-admin/css/about.min.css
index 887ef388a3..7dca9b7fd6 100644
--- a/wp-admin/css/about.min.css
+++ b/wp-admin/css/about.min.css
@@ -1 +1 @@
-.about-wrap{position:relative;margin:25px 40px 0 20px;max-width:1050px;font-size:15px}.about-wrap .notice,.about-wrap div.error,.about-wrap div.updated{display:none!important}.about-wrap hr{border:0;height:0;margin:0;border-top:1px solid rgba(0,0,0,.1)}.about-wrap img{margin:0;max-width:100%;height:auto;vertical-align:middle}.about-wrap .jetpack-video-wrapper{margin-bottom:0}.wp-badge{background:url(../images/w-logo-white.png?ver=20160308) center 25px no-repeat #0073aa;-webkit-background-size:80px 80px;background-size:80px 80px;color:#fff;font-size:14px;text-align:center;font-weight:600;margin:5px 0 0;padding-top:120px;height:40px;display:inline-block;width:140px;text-rendering:optimizeLegibility;-webkit-box-shadow:0 1px 3px rgba(0,0,0,.2);box-shadow:0 1px 3px rgba(0,0,0,.2)}.svg .wp-badge{background-image:url(../images/wordpress-logo-white.svg?ver=20160308)}.about-wrap .wp-badge{position:absolute;top:0;right:0}.about-wrap .nav-tab{padding-right:15px;padding-left:15px;font-size:18px}.about-wrap p{line-height:1.6em;font-size:14px}.about-wrap h1{margin:.2em 200px 0 0;padding:0;color:#32373c;line-height:1.2em;font-size:2.8em;font-weight:400}.about-wrap h2{margin:50px 0 1em;font-size:1.8em;line-height:1.3;font-weight:300;text-align:center}.about-wrap h3{margin:1.25em 0 .6em;font-size:1.25em;line-height:1.5em}.about-wrap .changelog h3{margin-top:40px}.about-wrap h4{color:#23282d}.about-wrap code,.about-wrap ol li p{font-size:14px;font-weight:400}.about-wrap .about-description,.about-wrap .about-text{margin-top:1.4em;font-weight:400;line-height:1.6em;font-size:19px}.about-wrap .about-text{margin:1em 200px 1em 0;min-height:60px;color:#555d66}.about-wrap [class$=col] .col{float:left;position:relative}.about-wrap .two-col .col{margin-right:4.799999999%;width:47.6%}.about-wrap .two-col img{margin-bottom:1.5em}.about-wrap .feature-section.two-col .col{display:inline-block;float:none;margin-top:1em;margin-right:4.799999999%;width:-webkit-calc(47.6% - 4px);width:calc(47.6% - 4px);vertical-align:top}.about-wrap .three-col .col{margin-right:4.999999999%;width:29.95%}.about-wrap .three-col .col:nth-of-type(3n),.about-wrap .two-col .col:nth-of-type(2n){margin-right:0}.about-wrap .under-the-hood{clear:both;overflow:hidden}.about-wrap .under-the-hood:nth-of-type(2n){margin-top:3em}.about-wrap .point-releases{margin-top:5px;border-bottom:1px solid #ddd}.about-wrap .changelog.point-releases h3{padding-top:35px}.about-wrap .changelog.point-releases h3:first-child{padding-top:7px}.about-wrap .headline-feature h2{margin:30px 0;font-size:2.2em;font-weight:300;line-height:1.3;text-align:center}.about-wrap .headline-feature h3{margin-top:0;text-align:left}.about-wrap .embed-container,.about-wrap .featured-image{text-align:center}.about-wrap .feature-section.two-col h3{margin-top:0}.about-wrap .feature-section h4{margin:1.4em 0 .6em;font-size:1em}.about-wrap .feature-section p{margin-top:.6em}.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}.about-wrap .two-col-text p:first-of-type{margin-top:0}.about-wrap .headline-feature.feature-video{position:relative;margin:40px 0;padding-bottom:56.25%;width:100%;max-width:100%;height:0;text-align:center}.about-wrap .feature-video embed{position:absolute;top:0;left:0;width:100%;height:100%}.about-wrap .feature-section{overflow:hidden;padding:0 0 40px}.about-wrap .headline-feature{margin:0 auto;max-width:80%}.about-wrap .changelog.feature-section .col,.about-wrap .feature-section .col{margin-top:40px}.about-wrap .feature-section .media-container{overflow:hidden}.about-wrap .embed-container iframe,.about-wrap .wp-embedded-content{max-width:100%}.about-wrap .changelog{margin-bottom:40px}.about-wrap .return-to-dashboard{margin:30px 0 0 -5px;font-size:14px;font-weight:700}.about-wrap .return-to-dashboard a{text-decoration:none;padding:0 5px}.about-wrap h3.wp-people-group{margin:2.6em 0 1.33em;padding:0;font-size:16px;line-height:inherit}.about-wrap .wp-people-group{padding:0 5px;margin:0 -15px 0 -5px}.about-wrap .compact{margin-bottom:0}.about-wrap .wp-person{display:inline-block;vertical-align:top;margin-right:10px;padding-bottom:15px;height:70px;width:280px}.about-wrap .compact .wp-person{height:auto;width:180px;padding-bottom:0;margin-bottom:0}.about-wrap .wp-person .gravatar{float:left;margin:0 10px 10px 0;padding:1px;width:60px;height:60px}.about-wrap .compact .wp-person .gravatar{width:30px;height:30px}.about-wrap .wp-person .web{margin:6px 0 2px;font-size:16px;font-weight:400;line-height:2em;text-decoration:none}.about-wrap .wp-person .title{display:block}.about-wrap #wp-people-group-validators+p.wp-credits-list{margin-top:0}.about-wrap p.wp-credits-list a{white-space:nowrap}.freedoms-php .about-wrap ol{margin:40px 60px}.freedoms-php .about-wrap ol li{list-style-type:decimal;font-weight:700}.freedoms-php .about-wrap ol p{font-weight:400;margin:.6em 0}@media screen and (max-width:782px){.about-wrap .two-col-text{-webkit-column-count:1;-moz-column-count:1;column-count:1}.about-wrap .three-col img{display:block;margin:0 auto}}@media only screen and (max-width:500px){.about-wrap{margin-right:20px;margin-left:10px}.about-wrap .about-text,.about-wrap h1{margin-right:0}.about-wrap .about-text{margin-bottom:.25em}.about-wrap .wp-badge{position:relative;margin-bottom:1.5em;width:100%}.about-wrap .three-col .col,.about-wrap .two-col .col{width:100%!important;float:none!important}.about-wrap .under-the-hood.one-col .col,.about-wrap .under-the-hood.three-col .col,.about-wrap .under-the-hood.two-col .col{margin-bottom:2em;padding-bottom:0}.about-wrap .under-the-hood:nth-of-type(2n){margin-top:0}.about-wrap .under-the-hood:nth-of-type(2n) h4{margin-top:0}}
\ No newline at end of file
+.about-wrap{position:relative;margin:25px 40px 0 20px;max-width:1050px;font-size:15px}.about-wrap .notice,.about-wrap div.error,.about-wrap div.updated{display:none!important}.about-wrap hr{border:0;height:0;margin:0;border-top:1px solid rgba(0,0,0,.1)}.about-wrap img{margin:0;max-width:100%;height:auto;vertical-align:middle}.about-wrap .jetpack-video-wrapper{margin-bottom:0}.wp-badge{background:url(../images/w-logo-white.png?ver=20160308) center 25px no-repeat #0073aa;-webkit-background-size:80px 80px;background-size:80px 80px;color:#fff;font-size:14px;text-align:center;font-weight:600;margin:5px 0 0;padding-top:120px;height:40px;display:inline-block;width:140px;text-rendering:optimizeLegibility;-webkit-box-shadow:0 1px 3px rgba(0,0,0,.2);box-shadow:0 1px 3px rgba(0,0,0,.2)}.svg .wp-badge{background-image:url(../images/wordpress-logo-white.svg?ver=20160308)}.about-wrap .wp-badge{position:absolute;top:0;right:0}.about-wrap .nav-tab{padding-right:15px;padding-left:15px;font-size:18px}.about-wrap p{line-height:1.6em;font-size:14px}.about-wrap h1{margin:.2em 200px 0 0;padding:0;color:#32373c;line-height:1.2em;font-size:2.8em;font-weight:400}.about-wrap h2{margin:50px 0 1em;font-size:1.8em;line-height:1.3;font-weight:300;text-align:center}.about-wrap .changelog h2,.about-wrap h3{margin:1.25em 0 .6em;font-size:1.25em;line-height:1.5em}.about-wrap .changelog h2{margin-top:40px;font-weight:600;text-align:left}.about-wrap h4{color:#23282d}.about-wrap .changelog h3{margin:1.33em 0;font-size:1em;line-height:inherit;color:#23282d}.about-wrap code,.about-wrap ol li p{font-size:14px;font-weight:400}.about-wrap .about-description,.about-wrap .about-text{margin-top:1.4em;font-weight:400;line-height:1.6em;font-size:19px}.about-wrap .about-text{margin:1em 200px 1em 0;min-height:60px;color:#555d66}.about-wrap [class$=col] .col{float:left;position:relative}.about-wrap .two-col .col{margin-right:4.799999999%;width:47.6%}.about-wrap .two-col img{margin-bottom:1.5em}.about-wrap .feature-section.two-col .col{display:inline-block;float:none;margin-top:1em;margin-right:4.799999999%;width:-webkit-calc(47.6% - 4px);width:calc(47.6% - 4px);vertical-align:top}.about-wrap .three-col .col{margin-right:4.999999999%;width:29.95%}.about-wrap .three-col .col:nth-of-type(3n),.about-wrap .two-col .col:nth-of-type(2n){margin-right:0}.about-wrap .under-the-hood{clear:both;overflow:hidden}.about-wrap .under-the-hood:nth-of-type(2n){margin-top:3em}.about-wrap .point-releases{margin-top:5px;border-bottom:1px solid #ddd}.about-wrap .changelog.point-releases h3{padding-top:35px}.about-wrap .changelog.point-releases h3:first-child{padding-top:7px}.about-wrap .headline-feature h2{margin:30px 0;font-size:2.2em;font-weight:300;line-height:1.3;text-align:center}.about-wrap .headline-feature h3{margin-top:0;text-align:left}.about-wrap .embed-container,.about-wrap .featured-image{text-align:center}.about-wrap .feature-section.two-col h3{margin-top:0}.about-wrap .feature-section h4{margin:1.4em 0 .6em;font-size:1em}.about-wrap .feature-section p{margin-top:.6em}.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}.about-wrap .two-col-text p:first-of-type{margin-top:0}.about-wrap .headline-feature.feature-video{position:relative;margin:40px 0;padding-bottom:56.25%;width:100%;max-width:100%;height:0;text-align:center}.about-wrap .feature-video embed{position:absolute;top:0;left:0;width:100%;height:100%}.about-wrap .feature-section{overflow:hidden;padding:0 0 40px}.about-wrap .headline-feature{margin:0 auto;max-width:80%}.about-wrap .changelog.feature-section .col,.about-wrap .feature-section .col{margin-top:40px}.about-wrap .feature-section .media-container{overflow:hidden}.about-wrap .embed-container iframe,.about-wrap .wp-embedded-content{max-width:100%}.about-wrap .changelog{margin-bottom:40px}.about-wrap .return-to-dashboard{margin:30px 0 0 -5px;font-size:14px;font-weight:700}.about-wrap .return-to-dashboard a{text-decoration:none;padding:0 5px}.about-wrap h3.wp-people-group{margin:2.6em 0 1.33em;padding:0;font-size:16px;line-height:inherit}.about-wrap .wp-people-group{padding:0 5px;margin:0 -15px 0 -5px}.about-wrap .compact{margin-bottom:0}.about-wrap .wp-person{display:inline-block;vertical-align:top;margin-right:10px;padding-bottom:15px;height:70px;width:280px}.about-wrap .compact .wp-person{height:auto;width:180px;padding-bottom:0;margin-bottom:0}.about-wrap .wp-person .gravatar{float:left;margin:0 10px 10px 0;padding:1px;width:60px;height:60px}.about-wrap .compact .wp-person .gravatar{width:30px;height:30px}.about-wrap .wp-person .web{margin:6px 0 2px;font-size:16px;font-weight:400;line-height:2em;text-decoration:none}.about-wrap .wp-person .title{display:block}.about-wrap #wp-people-group-validators+p.wp-credits-list{margin-top:0}.about-wrap p.wp-credits-list a{white-space:nowrap}.freedoms-php .about-wrap ol{margin:40px 60px}.freedoms-php .about-wrap ol li{list-style-type:decimal;font-weight:700}.freedoms-php .about-wrap ol p{font-weight:400;margin:.6em 0}@media screen and (max-width:782px){.about-wrap .two-col-text{-webkit-column-count:1;-moz-column-count:1;column-count:1}.about-wrap .three-col img{display:block;margin:0 auto}}@media only screen and (max-width:500px){.about-wrap{margin-right:20px;margin-left:10px}.about-wrap .about-text,.about-wrap h1{margin-right:0}.about-wrap .about-text{margin-bottom:.25em}.about-wrap .wp-badge{position:relative;margin-bottom:1.5em;width:100%}.about-wrap .three-col .col,.about-wrap .two-col .col{width:100%!important;float:none!important}.about-wrap .under-the-hood.one-col .col,.about-wrap .under-the-hood.three-col .col,.about-wrap .under-the-hood.two-col .col{margin-bottom:2em;padding-bottom:0}.about-wrap .under-the-hood:nth-of-type(2n){margin-top:0}.about-wrap .under-the-hood:nth-of-type(2n) h4{margin-top:0}}
\ No newline at end of file
diff --git a/wp-admin/freedoms.php b/wp-admin/freedoms.php
index 81b02d8785..440f0853cc 100644
--- a/wp-admin/freedoms.php
+++ b/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>
 
-<div class="about-text"><?php printf( __( 'Thank you for updating! WordPress %s makes your site more connected and responsive.' ), $display_version ); ?></div>
+<div class="about-text"><?php printf( __( 'Thank you for updating! WordPress %s streamlines your workflow, whether you&#8217;re writing or building your site.' ), $display_version ); ?></div>
 
 <div class="wp-badge"><?php printf( __( 'Version %s' ), $display_version ); ?></div>
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index fac964e7ba..b20973bdf7 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-RC1-37169';
+$wp_version = '4.5-RC1-37170';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.