When using Select2 on an entity reference field, if you set the match limit to 0 no results are returned.
Use Select2 on an entity reference field and enable autocomplete.
Set the number of results to 0.
Try to look up a known entity and no results will appear.
Only use the array_slice on matches if the match limit doesn't equal 0 in EntityAutoCompleteMatcher.php
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Edit: Second patch fixes the results only returning 1 item when match limit is set to 0.
Closed: duplicate
1.13
Field widgets
Duplicate of https://www.drupal.org/project/select2/issues/3224491 🐛 Unlimited autocomplete suggestion list size always results with empty list Fixed