Ticket #32024: 32024.2.diff

src/wp-includes/class-wp.php

@@ -366 +366 @@
                 } elseif ( empty( $this->query_vars['feed'] ) ) {
                         $headers['Content-Type'] = get_option('html_type') . '; charset=' . get_option('blog_charset');
                 } else {
+                        // Set the correct content type for feeds
+                        $type = $this->query_vars['feed'];
+                        if( 'feed' == $this->query_vars['feed'] ) {
+                                $type = get_default_feed();
+                        }
+                        $headers['Content-Type'] = feed_content_type( $type ) . '; charset=' . get_option('blog_charset');
+
                         // We're showing a feed, so WP is indeed the only thing that last changed
                         if ( !empty($this->query_vars['withcomments'])
                                 || false !== strpos( $this->query_vars['feed'], 'comments-' )