blakers

@Hkroed sorry no, the code above would have to be a change made to the actual plugin code.

Alternatively you may be able to implement your own filter using code similar to the code in the second screenshot.

I think this is definitely a bug, but I think the problem spot is actually where it’s passing the maxResults parameter when applying the filter:

$wpQueryResults = apply_filters( 'dwls_alter_results', $wpQueryResults, -1, $this );

There’s a hardcoded -1 being sent to as the max results for the filter but I think this should really be the max results option, which is modified before being applied as the post_per_page in the pre_get_posts action. Anyway, I think that line should be something like:

$maxResults = $wp_query->get( 'posts_per_page' );
$wpQueryResults = apply_filters( 'dwls_alter_results', $wpQueryResults, $maxResults, $this );