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This is a technical description of the 3.x branch of the module. For the newer 4.x branch, see this article.

Apparently there are still pretty common Drupal 8 theming tasks that cannot be accomplished with the great twig_tweak module. This by the way was me giving a plug to a great little module, which makes half of all your theme preprocess hooks unnecessary.

Creating a duplicate of an entity

Creating a duplicate of an entity is easily done via the entity API method Entity::createDuplicate(). This is a convenient method if the goal is to clone an entity into a new entity, as all identifiers of the previous entity get unset when using this method.

Upgrading to Drush 9

Drush should be installed and updated through composer. There is no stable Drush 9 version yet, so the development version must be used. Updating to the development version of Drush 9 is a simple as typing:

$ composer require drush/drush:dev-master

Porting your Drush commands to Drush 9

Porting the commands is a semi-automatic process: There is a command that will generate the required files and class structure for you. To start the wizard, just type:

This is a technical description of the 2.x branch of the module. For the newer 3.x branch see this article; for 4.x, see this article.