Update drupal with composer how to#

Step 4: remove the modules with issues from composer.jsonĪbove we saw that there was an issue with drupal/swiftmailer. , 8.9.x-dev, 9.0.0-alpha1,Īs it appears, there is an incompatibility with drupal/swiftmailer. You can only install one version of a package, so only one of these can be installed: drupal/core[8.0.0-beta6. drupal/swiftmailer require drupal/core ~8.0 -> satisfiable by drupal/core. drupal/core 8.0.0-beta6 requires doctrine/common dev-master#a45d110f71c323e29f41eb0696fa230e3fa1b1b5 -> found doctrine/common but it does not match the constraint. This resulted for me in the following: Problem 1 If you nog add this line and update, we are getting there! First, the first version of drupal 9: 'drupal/core-recommended': '9.0.0', composer update If you have drush and devel, which are widely used, also manually edit the versions: 'drupal/devel': '^4.0',

This will remove drupal core from your installation, but update the necessary contrib that is causing a lot of inconsistencies and package constraint sh*it ). Then run composer update again: composer update Look for drupal/core-recommended or drupal/core in composer.json and remove the line(s): 'drupal/core-recommended': '^8.9.0' This will prevent you from having a loop in dependencies for the symfony package: composer remove drupal/console Step 2: remove drupal/core and/or drupal/core-recommended from composer.json

Update drupal with composer how to#

How to get a list of unused contrib modules.įor a starter, make sure you remove drupal/console first (!).

Remove unused modules first from your composer.json.

Make sure your core, as well as your contrib, is at the latest version ( composer update).

This guiding screencast and blog post can guide you. Upgrading from drupal 8 to drupal 9 needs to be done with composer.