https://www.drupal.org/project/drupal/issues/3424720
LanguageNegotiationUrl unnecessarily adds domain to outbound URL's [#3424720] | Drupal.org
Jun 19, 2025 - Problem/Motivation Core does not always check if external URL's are local (using UrlHelper::externalIsLocal) which has varied consequences. We can avoid adding...
addsdomain