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I have a Drupal 9 installation running Commerce 2. My products use a taxonomy entity reference field (tag style). There's one products category, where I need to have more references in the tag input field than currently allowed (1024 characters).

I looked it up and found a similar post where someone suggested to write a module to increase the maximum input value like so:

function MODULE_field_widget_form_alter(&$element, &$form_state, $context) {

  if ($context['widget']->getPluginId() == 'entity_reference_autocomplete_tags') {
    if ($element['target_id']['#maxlength'] == 1024) {
      $element['target_id']['#maxlength'] = 3072;
    }
  }
}

So I did that, but it still doesn't let me input more than 1024 characters. Any help would be appreciated. Thank you!

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  • You may want to look at changing that field to a select list and using something like Chosen to emulate an autocomplete experience. Even if you can add more tags into the autocomplete field, it's going to be a bad experience for editors. – sonfd Feb 21 at 17:39
  • @sonfd Yeah, I thought about that too. But sorrily this field references to a list of taxonomy terms which holds like 500+ values. So it will be a pain to edit it anyways :( – Berry Dingle Feb 21 at 18:04
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I didn't manage to increase the maxlength of the input, but installed "Autocomplete deluxe" module, which implements the widget input field via jQuery chosen. Now I can set as many values as I like.

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