Trouble adding multiple IDs with wpdiscuz_comments_args

Hi,

I’m trying to display all comments from a set of post IDs passed as an array. It looks like wpdiscuz_comments_args should do the trick, but so far no luck. Would love any feedback or suggestions. Here is my basic test code:

add_filter('wpdiscuz_comments_args', function ($args) {
    global $post;
    if ($post->ID != 619) { // Only on this post
        return $args;
    }

    $post_ids = array(416,419,422);
    $args['post_id'] = 0;
    $args['comment__in'] = $post_ids;

    return $args;
}

I’ve confirmed that the filter fires on the correct post. Is comment__in not supported maybe? Or some other place where the current post ID is getting reset?

Thanks!