Call to deprecated method mimeHeaderEncode() of class Drupal\Component\Utility\Unicode. Deprecated in drupal:9.2.0 and is removed from drupal:10.0.0. Use \Symfony\Component\Mime\Header\UnstructuredHeader instead.
Results are from dataset #9317 from 2023-01-29T14:42. Report is ran by the Drupal Association regularly.