Ticket #26577: revision-meta-26577.patch

wp-admin/edit-form-advanced.php

@@ -125 +125 @@
         $revisions = wp_get_post_revisions( $post_ID );
 
         // We should aim to show the revisions metabox only when there are revisions.
-        if ( count( $revisions ) > 1 ) {
+        if ( count( $revisions ) ) {
                 reset( $revisions ); // Reset pointer for key()
                 $publish_callback_args = array( 'revisions_count' => count( $revisions ), 'revision_id' => key( $revisions ) );
                 add_meta_box('revisionsdiv', __('Revisions'), 'post_revisions_meta_box', null, 'normal', 'core');