Change record status: 
Project: 
Introduced in branch: 
8.x
Introduced in version: 
8.0
Description: 

This is a list of modules added to Drupal 8 core. Not all modules are identical equivalents of the contributed modules you have known before.

Module (or feature) Notes
Action Drupal 7 action
Ban
HTTP Basic authentication
Breakpoint
Caption filter (part of filter module) Drupal 8 ships with the ability to align and caption images, videos, blockquotes and so on. The implementation is based on Drupal 7's Caption Filter module.
CKEditor (ckeditor) Makes the Drupal 7 contrib CKEditor module obsolete, but comes with a vastly simpler & better configuration UX, and much deeper integration.
Configuration Translation module Successor to the Internationalization module as well as several glue modules from Variable, Internationalization views, Webform localization, etc..
content_translation
CTools
  • The CTools plugin system has been replaced by the Drupal 8 Plugin API.
  • The CTools object cache is now replaced by the Drupal core TempStore.
  • CTools Dependent is replaced by the Drupal 8 (and Drupal 7) Form API #states.
  • Drupal core now supports modal dialogs, replacing CTools' modal dialogs. (More on the Drupal 8 modal API.)
  • All CTools functionality that Views relied on is now superceded by Drupal 8 core functionality.
  • (Also see the Drupal 8 Page Manager project.)
Entity Reference module
Date module

Provides the field type and a light API. No recurring dates or calendar functionality.

Text Editor (editor) A better integrated version of the WYSIWYG module that incorporates only the essentials.
email There's email field with widget and 2 basic formatters in Core
entity
entity_reference
hal
history
language
link
menu_link
migrate
migrate_drupal
number
options
Quick Edit (quickedit) Provides in-place editing of entity fields. Has a Drupal 7 backport named Edit module.
Responsive Image (responsive_image) Formerly Picture in contrib.
rest
serialization
telephone
text
tour
Views The most popular Drupal module was added as well as conversions of several blocks and lists to Views (including administration pages).
Views UI
xmlrpc

See also https://drupal.org/node/2116417 for the modules/themes removed.

Impacts: 
Site builders, administrators, editors
Updates Done (doc team, etc.)
Online documentation: 
Not done
Theming guide: 
Not done
Module developer documentation: 
Not done
Examples project: 
Not done
Coder Review: 
Not done
Coder Upgrade: 
Not done
Other: 
Other updates done