The default field.html.twig has some documentation regressions now, likely caused by copying the docblock from a Classy or Bartik template.
- The first line says "Theme override" rather than "Default theme implementation…".
@ingroup themeableline is now missing which adds the template to the listing at https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Render%21....
Revert these changes, see.
User interface changes
Data model changes