In the recent 4.7.11 update, I've noticed you updated the search filters code in \applications\core\modules\front\search\search.php to cast the variables as (int) types:
if ( isset( \IPS\Request::i()->search_min_replies ) AND isset( $class::$commentClass ) )
{
$filter->minimumComments( (int) \IPS\Request::i()->search_min_replies + 1 );
$baseUrl = $baseUrl->setQueryString( 'search_min_replies', (int) \IPS\Request::i()->search_min_replies );
$titleConditions[] = \IPS\Member::loggedIn()->language()->addToStack( 'search_blurb_min_replies', FALSE, [ 'sprintf' => [ (int) \IPS\Request::i()->search_min_replies ] ] );
}
Note how there are 3 values cast as (int) in the code above.
However, in the code for minimum reviews on line 514, the $baseUrl line wasn't updated:
if ( isset( \IPS\Request::i()->search_min_reviews ) AND isset( $class::$reviewClass ) )
{
$filter->minimumReviews( (int) \IPS\Request::i()->search_min_reviews );
$baseUrl = $baseUrl->setQueryString( 'search_min_reviews', \IPS\Request::i()->search_min_reviews );
$titleConditions[] = \IPS\Member::loggedIn()->language()->addToStack( 'search_blurb_min_reviews', FALSE, [ 'sprintf' => [ (int) \IPS\Request::i()->search_min_reviews ] ] );
}
For consistency, it should be:
$baseUrl = $baseUrl->setQueryString( 'search_min_reviews', (int) \IPS\Request::i()->search_min_reviews );