Wix Filter Issue

Hi, Expert

For some reason, Wix data filter does’t seem accept “null” value anymore.
This code used to work fine. I wonder if Wix has changed the design ?

import wixData from ‘wix-data’ ;

$w . onReady ( function () {});

function filterResults ( genre ) {

**var**  newFilter  =  wixData . filter (); 
newFilter  =  newFilter . eq ( 'genre' ,  genre ); 
$w ( "#dbArt" ). setFilter ( newFilter ); 
console . log ( newFilter ); 

}

export function iptSearchGenre_change ( event ) {

**var**  adjGenre ; 

**if**  ( $w ( "#iptSearchGenre" ). value  !==  'All' ) { 
    adjGenre  =  $w ( "#iptSearchGenre" ). value ; 

} 

filterResults ( adjGenre ); 

}