6/24/2023 0 Comments Drupal core version![]() ![]() If you get any errors you'll need to troubleshoot what's causing the issue. If this is successful you'll see line like the following the output: - Updating drupal/core-dev (8.8.7 => 9.0.0) Then tell Composer to try and resolve and download all the new code: composer update Then update the drupal/core-recommended and drupal/core-composer-scaffold projects: composer require drupal/core-recommended: drupal/core-composer-scaffold: -no-update -update-with-dependencies If you have the drupal/core-dev dependencies installed you'll need to update those: composer require drupal/core-dev: -dev -no-update -update-with-dependencies Alternatively, you can edit the version constraints in composer.json manually. This allows us to batch updates to projects and avoid a "chicken-or-egg first"-type of issues with shared dependencies. Note: Using the -no-update flag updates the composer.json entries, without attempting to resolve and download any files. You can learn more about making these changes in Update Drupal from Versions Prior to 8.8.x using Composer. This is a good indication that you're using the current recommend approach. If you're unsure look for an entries like "drupal/core-recommended": "^8.8", and "drupal/core-composer-scaffold": "^8.8" in your composer.json file. These instructions assume you that your Drupal 8 project is using Composer to manage dependencies, and that you either started from the drupal/recommended-project Composer template or you've updated your composer.json to use the drupal/recommended-project's approach to scaffolding. You'll want to make sure your web server, PHP, and MySQL/MariaDB are all running compatible versions. The hosting environment requirements for Drupal 9 have changed. Verify your hosting meets the new requirements Make sure you can check off all the items in the list before you upgrade to Drupal 9.0.0: We like this article as a guide to figuring out when to upgrade: When to Upgrade from Drupal 8 to Drupal 9 Drupal 9 upgrade checklist Read more about Drupal 9's release date and what it means. Drupal 7 community support will be provided until November 2023. At that point, Drupal 8.9.x will be unsupported and Drupal 8 will have reached its end of life, which is also Symfony 3's end of life. If you're using Drupal 8 you have until November 2021 to complete your upgrade. Once they are, there is no reason to not upgrade. The primary consideration should be whether or not the contributed modules you rely on, and your own custom modules, are Drupal 9 compatible. If you've used Drupal for a while this is new, and not how upgrades have worked in the past. Since Drupal 9 is Drupal 8.9 with the deprecated code removed, a module that's not using any deprecated APIs, and has added the required content to its info file to declare that it's compatible with Drupal 9, should work with either major version. ![]() ![]() This is less likely to impact you directly, but it’s good to be aware of this change.Īlso, in Drupal 9, the Place Blocks and SimpleTest modules have been removed and replaced with Layout Builder and PHPUnit, respectively. If you’ve got code in your project that relies on an older version of these dependencies that code will need to be updated, too. As long as all of the code in your project is using the current APIs the transition from Drupal 8.9.0 to Drupal 9.0.0 shouldn’t be any more complex then the move from 8.8.x to 8.9.0.ĭrupal 9 also includes major version updates to many of Drupal core’s dependencies, including Symfony and Twig. There are no significant schema changes, or feature additions, that would require a complex upgrade. Prerequisitesĭifferences between Drupal 8 and Drupal 9įrom a technical perspective Drupal 9.0.0 is Drupal 8.9.0 with all of the deprecated code removed. GoalĬreate a Drupal 9 upgrade checklist, and understand what’s required to complete the items on the list. Provide resources to help you create an upgrade checklist and start checking items off the list.īy the end of this tutorial you should be able to explain the major differences between Drupal 8 and 9, audit your existing Drupal 8 projects for Drupal 9 readiness, estimate the level of effort involved, and start the process of upgrading.Walk through the high-level steps required to upgrade from Drupal 8 to Drupal 9.Explain the differences between Drupal 8 and Drupal 9 that affect the upgrade path.There’s no one-size-fits-all path to upgrade from Drupal 8 to Drupal 9, but there is a set of common tasks that everyone will need to complete. ![]()
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