Index: src/wp-admin/includes/class-wp-posts-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-posts-list-table.php	(revision 28576)
+++ src/wp-admin/includes/class-wp-posts-list-table.php	(working copy)
@@ -218,6 +218,23 @@
 				wp_dropdown_categories( $dropdown_options );
 			}
 
+			$others = wp_list_filter( get_taxonomies( array( 'show_admin_filter' => true ), 'objects' ), array( 'name' => 'category' ), 'NOT' );
+			foreach ( $others as $other ) {
+				if ( is_object_in_taxonomy( $this->screen->post_type, $other->name ) ) {
+					$dropdown_options = array(
+						'taxonomy' => $other->name,
+						'show_option_all' => __( 'View all ' ) . $other->labels->name,
+						'hide_empty' => 0,
+						'hierarchical' => $other->hierarchical,
+						'show_count' => 0,
+						'orderby' => 'name',
+						'name' => $other->query_var,
+						'selected' => get_query_var( $other->query_var )
+					);
+					wp_dropdown_categories( $dropdown_options );
+				}
+			}
+
 			/**
 			 * Fires before the Filter button on the Posts and Pages list tables.
 			 *
Index: src/wp-includes/taxonomy.php
===================================================================
--- src/wp-includes/taxonomy.php	(revision 28576)
+++ src/wp-includes/taxonomy.php	(working copy)
@@ -337,6 +337,7 @@
 		'show_in_nav_menus'     => null,
 		'show_tagcloud'         => null,
 		'show_admin_column'     => false,
+		'show_admin_filter'     => false,
 		'meta_box_cb'           => null,
 		'capabilities'          => array(),
 		'rewrite'               => true,