diff --git a/wp-admin/about.php b/wp-admin/about.php
index 22ec200fa0..a3c9e94fe0 100644
--- a/wp-admin/about.php
+++ b/wp-admin/about.php
@@ -335,7 +335,7 @@ include( ABSPATH . 'wp-admin/admin-header.php' );
 					<p><?php _e( 'Note to users of assistive technology: if you experience usability issues with the block editor, we recommend you continue to use the Classic Editor.' ); ?></p>
 					<?php if ( current_user_can( 'install_plugins' ) ) { ?>
 						<div class="col cta">
-							<a class="button button-primary button-hero" href="<?php echo esc_url( wp_nonce_url( self_admin_url( 'plugin-install.php?tab=favorites&user=wordpressdotorg' ), 'save_wporg_username_' . get_current_user_id() ) ); ?>"><?php _e( 'Install the Classic Editor' ); ?></a>
+							<a class="button button-primary button-hero" href="<?php echo esc_url( wp_nonce_url( self_admin_url( 'plugin-install.php?tab=favorites&user=wordpressdotorg&save=0' ), 'save_wporg_username_' . get_current_user_id() ) ); ?>"><?php _e( 'Install the Classic Editor' ); ?></a>
 						</div>
 					<?php } ?>
 				</div>
diff --git a/wp-admin/includes/class-wp-plugin-install-list-table.php b/wp-admin/includes/class-wp-plugin-install-list-table.php
index 9bcf652f61..efcbfab480 100644
--- a/wp-admin/includes/class-wp-plugin-install-list-table.php
+++ b/wp-admin/includes/class-wp-plugin-install-list-table.php
@@ -190,7 +190,11 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 				$action = 'save_wporg_username_' . get_current_user_id();
 				if ( isset( $_GET['_wpnonce'] ) && wp_verify_nonce( wp_unslash( $_GET['_wpnonce'] ), $action ) ) {
 					$user = isset( $_GET['user'] ) ? wp_unslash( $_GET['user'] ) : get_user_option( 'wporg_favorites' );
-					update_user_meta( get_current_user_id(), 'wporg_favorites', $user );
+
+					// If the save url parameter is passed with a falsey value, don't save the favorite user.
+					if ( ! isset( $_GET['save'] ) || $_GET['save'] ) {
+						update_user_meta( get_current_user_id(), 'wporg_favorites', $user );
+					}
 				} else {
 					$user = get_user_option( 'wporg_favorites' );
 				}
diff --git a/wp-includes/blocks/latest-comments.php b/wp-includes/blocks/latest-comments.php
index 80fa24be25..29e17e9de5 100644
--- a/wp-includes/blocks/latest-comments.php
+++ b/wp-includes/blocks/latest-comments.php
@@ -5,7 +5,7 @@
  * @package WordPress
  */
 
-if ( ! function_exists( 'wp_latest_comments_draft_or_post_title' ) ) {
+if ( ! function_exists( 'gutenberg_draft_or_post_title' ) ) {
 	/**
 	 * Get the post title.
 	 *
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 898f9c4c19..652caf52d0 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-RC1-43951';
+$wp_version = '5.0-RC1-43952';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.