Help/About: Update the about page for 5.2.1.

32 bugs were squashed in 5.2.1.

Props earnjam, ianbelanger, chanthaboune.
Fixes #47294.
Built from https://develop.svn.wordpress.org/branches/5.2@45359


git-svn-id: http://core.svn.wordpress.org/branches/5.2@45170 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/about.php

@@ -48,6 +48,35 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 			<a href="freedoms.php?privacy-notice" class="nav-tab"><?php _e( 'Privacy' ); ?></a>
 		</nav>
 
+		<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$s</strong> fixed %2$s bug.',
+						'<strong>Version %1$s</strong> fixed %2$s bugs.',
+						32
+					),
+					'5.2.1',
+					number_format_i18n( 32 )
+				);
+				?>
+				<?php
+				printf(
+					/* translators: %s: HelpHub URL */
+					__( 'For more information, see <a href="%s">the release notes</a>.' ),
+					sprintf(
+						/* translators: %s: WordPress version */
+						esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
+						sanitize_title( '5.2.1' )
+					)
+				);
+				?>
+			</p>
+		</div>
+
 		<div class="headline-feature">
 			<h2><?php _e( 'Keeping Your Site Safe' ); ?></h2>
 			<p class="lead-description"><?php _e( 'WordPress 5.2 gives you even more robust tools for identifying and fixing configuration issues and fatal errors. Whether you are a developer helping clients or you manage your site solo, these tools can help get you the right information when you need it.' ); ?></p>

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.2.1-alpha-45358';
+$wp_version = '5.2.1-alpha-45359';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.