Drupal 7 was delivered with CCK as part of core and the number and type of custom field options has inncreased in Drupal 8 -- Entity, Entity Referemce. Link and Telephone to name a few. Drupal 8 is an exciting upgrade and I am looking forward to experimenting with the upgrade path on my Drupal 7 sites. (It looks like it will go more smoothly than my D6=>D7 adventures.
lThe configuration settings for CKEditor can be found on the following path:.