How to change taxonomy metabox order in custom post types.

change-metabox-order.php

<?php
add_action('add_meta_boxes_wprss_feed', 'wprss_c_meta_box_order');
function wprss_c_meta_box_order() {
    global $wp_meta_boxes;
   
    $category = $wp_meta_boxes['wprss_feed']['side']['core']['wprss_categorydiv'];
    unset( $wp_meta_boxes['wprss_feed']['side']['core']['wprss_categorydiv'] );       
	# We're hooking into: do_action('add_meta_boxes_' . $post_type, $post);
    $wp_meta_boxes['wprss_feed']['side']['low'] =  array( 'wprss_categorydiv' => $category ) + $wp_meta_boxes['wprss_feed']['side']['low'];
}