Ticket #46680: 46680.2.diff

wp-admin/update-core.php

@@ -300 +300 @@
                 if ( ! $compatible_php && current_user_can( 'update_php' ) ) {
                         $compat .= '<br>' . __( 'This update doesn&#8217;t work with your version of PHP.' ) . '&nbsp;';
                         /* translators: %s: Update PHP page URL */
-                        $compat .= sprintf(
+                        $compat    .= sprintf(
                                 __( '<a href="%s">Learn more about updating PHP.</a>' ),
                                 esc_url( wp_get_update_php_url() )
                         );
-                        $compat .= '</p><p><em>' . wp_get_update_php_annotation() . '</em>';
+                        $annotation = wp_get_update_php_annotation();
+                        if ( $annotation ) {
+                                $compat .= '</p><p><em>' . $annotation . '</em>';
+                        }
                 }
 
                 // Get the upgrade notice for the new plugin version.