diff -r be944660c56a -r 3d72ae0968f4 wp/wp-admin/includes/class-wp-automatic-updater.php
--- a/wp/wp-admin/includes/class-wp-automatic-updater.php	Wed Sep 21 18:19:35 2022 +0200
+++ b/wp/wp-admin/includes/class-wp-automatic-updater.php	Tue Sep 27 16:37:53 2022 +0200
@@ -23,7 +23,7 @@
 	protected $update_results = array();
 
 	/**
-	 * Whether the entire automatic updater is disabled.
+	 * Determines whether the entire automatic updater is disabled.
 	 *
 	 * @since 3.7.0
 	 */
@@ -56,7 +56,7 @@
 	}
 
 	/**
-	 * Check for version control checkouts.
+	 * Checks for version control checkouts.
 	 *
 	 * Checks for Subversion, Git, Mercurial, and Bazaar. It recursively looks up the
 	 * filesystem to the top of the drive, erring on the side of detecting a VCS
@@ -193,9 +193,10 @@
 		 *  - `auto_update_theme`
 		 *  - `auto_update_translation`
 		 *
-		 * Generally speaking, plugins, themes, and major core versions are not updated
-		 * by default, while translations and minor and development versions for core
-		 * are updated by default.
+		 * Since WordPress 3.7, minor and development versions of core, and translations have
+		 * been auto-updated by default. New installs on WordPress 5.6 or higher will also
+		 * auto-update major versions by default. Starting in 5.6, older sites can opt-in to
+		 * major version auto-updates, and auto-updates for plugins and themes.
 		 *
 		 * See the {@see 'allow_dev_auto_core_updates'}, {@see 'allow_minor_auto_core_updates'},
 		 * and {@see 'allow_major_auto_core_updates'} filters for a more straightforward way to
@@ -294,7 +295,7 @@
 	}
 
 	/**
-	 * Update an item, if appropriate.
+	 * Updates an item, if appropriate.
 	 *
 	 * @since 3.7.0
 	 *
@@ -418,9 +419,10 @@
 				return false;
 			}
 
-			// Core doesn't output this, so let's append it so we don't get confused.
+			// Core doesn't output this, so let's append it, so we don't get confused.
 			if ( is_wp_error( $upgrade_result ) ) {
-				$skin->error( __( 'Installation failed.' ), $upgrade_result );
+				$upgrade_result->add( 'installation_failed', __( 'Installation failed.' ) );
+				$skin->error( $upgrade_result );
 			} else {
 				$skin->feedback( __( 'WordPress updated successfully.' ) );
 			}
@@ -776,7 +778,7 @@
 				// Don't show this message if there is a newer version available.
 				// Potential for confusion, and also not useful for them to know at this point.
 				if ( 'fail' === $type && ! $newer_version_available ) {
-					$body .= __( 'We tried but were unable to update your site automatically.' ) . ' ';
+					$body .= __( 'An attempt was made, but your site could not be updated automatically.' ) . ' ';
 				}
 
 				$body .= __( 'Updating is easy and only takes a few moments:' );
@@ -842,7 +844,7 @@
 			$body .= "\n***\n\n";
 			/* translators: %s: WordPress version. */
 			$body .= sprintf( __( 'Your site was running version %s.' ), get_bloginfo( 'version' ) );
-			$body .= ' ' . __( 'We have some data that describes the error your site encountered.' );
+			$body .= ' ' . __( 'Some data that describes the error your site encountered has been put together.' );
 			$body .= ' ' . __( 'Your hosting company, support forum volunteers, or a friendly developer may be able to use this information to help you:' );
 
 			// If we had a rollback and we're still critical, then the rollback failed too.
@@ -1234,9 +1236,15 @@
 		$body[] = __( 'https://wordpress.org/support/forums/' );
 		$body[] = "\n" . __( 'The WordPress Team' );
 
+		if ( '' !== get_option( 'blogname' ) ) {
+			$site_title = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
+		} else {
+			$site_title = parse_url( home_url(), PHP_URL_HOST );
+		}
+
 		$body    = implode( "\n", $body );
 		$to      = get_site_option( 'admin_email' );
-		$subject = sprintf( $subject, wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ) );
+		$subject = sprintf( $subject, $site_title );
 		$headers = '';
 
 		$email = compact( 'to', 'subject', 'body', 'headers' );
@@ -1345,7 +1353,11 @@
 			$body[] = '';
 		}
 
-		$site_title = wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES );
+		if ( '' !== get_bloginfo( 'name' ) ) {
+			$site_title = wp_specialchars_decode( get_bloginfo( 'name' ), ENT_QUOTES );
+		} else {
+			$site_title = parse_url( home_url(), PHP_URL_HOST );
+		}
 
 		if ( $failures ) {
 			$body[] = trim(