D8 Cards

API Change: No more features! Configuration exports to YML.

Card Challenge: Import and export configuration

Card Challenge: Create some paragraphs

API change: Forms are now a class, config forms are sublcass.

Card Challenge: Build your own config form

API change: Migrate is part of core, and migrations are configuration entities in YML.

Card Challenge: Import a CSV into Drupal content

API change: Blocks are now plugins(annotated classes)

Card Challenge: Create your own block type

API change: Services and Dependency Injection!

Card Challenge: Just try to follow along

API change: Cron queues are now plugins (annotated classes)

Card Challenge: Build your own cron queue

API change: Input filters are now plugins (annotated classes)

Card Challenge: Build your own input filter

API change: JS and CSS are now attached to the page as libraries

Card Challenge: Create a library and attach it to a render element

API change: There is not setting.local.php

Card Challenge: Turn on local development settings

API change: Entities are now plugins (lots of annotations)

Card Challenge: Generate code with Drupal Console for a custom entity

API change: There are multiple base themes, all using twig

Card Challenge: Generate a 'stable' subtheme and change some twig

API change: drupal_watchdog is now a factory service

Card Challenge: log a message when nodes update

API change: Features is back and even better!

Card Challenge: Use assignment plugins to package your configuration

API change: Field formatters are now plugins

Card Challenge: Generate/create a field formatter for decimal fields that show five star ratings

API change: Replace Service Locator code with injected dependencies

Card Challenge: Create a library and attach it to a render element

API change: Drupal is now built with composer and autoloading classes

Card Challenge: Build a module that depends on a PHP package

API change: Symfony Event Subscribers

Card Challenge: Create, dispatch and respond to your own event

API change: New templating language - twig

Card Challenge: Access twig variables and debug templates

API change: Bubbleable Metadata

Card Challenge: Create render API markup that is purged from cache automatically

API change: hook_init replaced with Symfony Kernel events

Card Challenge: Create a service to subscribe and respond to kernel events and modify page response