WordPress – Make Archives.php Include Custom Post Types
Generally archives in wordpress, include only “post” as post type, you can include your custom post type, by adding this to your function.php
function namespace_add_custom_types( $query ) {
if( is_category() || is_tag() && empty( $query->query_vars['suppress_filters'] ) ) {
$query->set( 'post_type', array(
'post', 'nav_menu_item', 'your-custom-post-type-here'
));
return $query;
}
}
add_filter( 'pre_get_posts', 'namespace_add_custom_types' );