WP Fluent Forms autocomplete prevention

fluent-forms-autocomplete-prevent-filter.php

// Change field_name to actual field name.
function ff_avoid_autocomplete( $data, $form ){
  if( $data['attributes']['name'] === 'field_name' ){
    $data['attributes']['autocomplete'] = 'new-password';
  }
  return $data;
}
add_filter( 'fluentform_rendering_field_data_input_text', 'ff_avoid_autocomplete', 10, 2 );