Drupal 9 Readiness Checklist – A Complete Guide to Get Prepared!

By: Skynet Technologies USA LLC
8 mins
Drupal 9 Readiness Checklist

Every start has its end, and every ending is the beginning of a fresh start!

One great product is also reaching its finish line. Yes, it’s Drupal 7 (its end of life is January 5, 2025), whereas Drupal 8 already came to its end of life in November 2021. To safeguard your organization’s open-source security and progress, you have to upgrade or migrate to Drupal 9.

To update your version of Drupal, you should start giving your best today! For that, the Drupal community has started updating and upgrading. Upgrading to Drupal 8 from the previous version was a bit tough. It implied a total revamp of the code and a ton of learning. But as soon as Drupal 8 was entirely onboarded, everything was more accessible. Likewise, Drupal 9 will make your life easier like never before.

If you are still using Drupal 7, get ready to move to Drupal 9 because it will be essential in some time. Also, major modules are made viable to Drupal 9 as an aggregate exertion by the Drupal community.

As you contemplate your update path, whether you are moving from Drupal 7 or 8, a decent beginning stage in getting ready for Drupal 9 is playing out a readiness audit. A review will evaluate the degree of exertion and give proposals and arrangements for a smooth overhaul or movement to Drupal 9.

What is a Drupal 9 Readiness Audit?

A Drupal 9 Readiness Audit notifies you of the assets required for Drupal 9 and gives suggestions for a smooth upgrade or migration to Drupal 9.

The following is a significant level rundown for upgrading or migrating to Drupal 9.

A Drupal 9 upgrade cycle would have this:

  • Survey of the site’s objective
  • Take input from the editors and managers
  • Lead a review of modules with engineers
  • Audit the codebase for deprecated code
  • Create Drupal 9 Migration Roadmap
  • Perform Drupal 9 Upgrade at staging environment
  • Quality Assurance
  • Alpha Review
  • Beta Review
  • Go live with Drupal 9 Upgraded version
  • Regular Upgrades and Maintenance

The Drupal 9 Readiness Checklist and Audit in Detail

Migration and up-gradation both need time. So, either you're migrating or upgrading, start the work now for Drupal 9. The planned delivery is not far away, and this time is a decent opportunity to get ready for Drupal 9.

Survey the Drupal site's objectives

With the consistent changes in patterns and customer assumptions, brands need to remain updated consistently. Brands should be transparent about the advanced encounters they need to give to their customers.

Take input from the editors and managers

Reach out to your content editors to comprehend their trouble spots and check how Drupal 9, with its new features for content altering, ends up being helpful for them.

Lead a review of modules with engineers

After the above two steps, come to this one. Your Drupal developers will make an updated module list as per your requirements. During the module audit, the suggested procedures are to use the core since numerous extraordinary features have been moved to it.

Get rid of the deprecated code

Clear a path for better than ever Drupal 9 features by eliminating old and belittled code from your Drupal 8 codebase. You are likewise accepting cleaner code when you keep Drupal core and contributed modules updated. Updated renditions stop utilization of deplored code and API. There are different strategies to check for belittled code.

  1. Once in a while, capacities are set apart with @deprecated explanations that caution the engineer that the accompanying code expostulates and what they ought to use, all things being equal.
  2. Use an order line instrument like Drupal Check to help check for censured or deprecated code and different bugs. It can likewise be incorporated in continuous combination conditions.
  3. To update the modules, you need to download the Drupal 8 Upgrade Status module. It can filter your Drupal project and make a clean visual report that delineates compatibility issues and for better UI.
  4. Drupal.org likewise offers backing to check for Drupal 9 availability and belittling inside its trying framework. Like empowering static examination with phpStan or setting a trigger_error() when a belittled level is reached.
  5. Once recognized, it is ideal for some manual work to eliminate the belittled code and refine the existing codebase. You can try automated tools like Drupal 8 rector to determine code issues, even though it requires manual intercession.

Perform Drupal 9 update

After completing the relative multitude of fundamental advances referenced above, you are prepared to update your site to Drupal 9. Follow underneath steps for the update:

  • Create Drupal 9 Migration Roadmap – After the auditing, create a clear Drupal 9 migration roadmap initiating the list from data migartion to version uprades.
  • Drupal 9 upgrade at staging environment – Deploy the content, integrated module, extensions to altogether different staging environment using the Drupal configuration management system. Version control system (Git) is normally used for this process.
  • Quality Analysis at staging website – Once the configuration is done, final QA and acceptance testing of migrated content starts.
  • Alpha review – Reviews and suggestions from managers and customers can be taken to get better information of the new product performance.
  • Beta review – Fix the issues as per the received feedback and comments.
  • Go live – If the entire testing results and review outcomes are done positively, then new Drupal 9 site is deployed and content get migrated to this new site as per the planned URL redirection and domain directions.
  • Regular Drupal Version Upgrades and Maintenance – Keep up to date with minor Drupal versions and security updates. Drupal site audits and maintenance are must at regular intervals.

Now, let’s see how to upgrade or migrate from Drupal 7 or 8 to Drupal 9.

Migration from Drupal 7 to Drupal 9

If you are using Drupal 7 and anticipate getting on board Drupal 9, you should start now. It is suggested to partition this cycle into two sections - 1. Upgrade to Drupal 8 and then 2. Move up to Drupal 9.

  1. First of all, migrate your content and code to Drupal 8.
  2. Scan and check for the availability of modules in Drupal 8 using the Upgrade Status Drupal module.
  3. Then start updating all the Drupal 7 modules to Drupal 8 with the help of modules like Drupal Module Upgrader.
  4. Remain updated with the most recent center deliveries.
  5. Eliminate any censured or deprecated code and Upgrade to Drupal 9.

Also, as currently examined, upgrading from Drupal 8's most recent adaptation to Drupal 9 is simple as pie. Drupal 7 to 9 migration is taking as much time and assets as Drupal 7 to 8 migration and then Drupal 8 to 9 upgrade. Drupal 7's end-of-life will be January 5, 2025.

Keep up to date with Drupal 8

With each new minor variant arrival of Drupal 8, the advantages are not just confined to admittance to recent features and improvements. It likewise makes you one stride nearer to Drupal 9. Since Drupal 8.8 is the last minor delivery before the Drupal 8.9 delivery (which also coincides with Drupal 9), the previous Drupal 8 variant contains critical element options.

Drupal 8.9 will incorporate more steady modules (that were beforehand tested) and a couple of UX and API improvements. So, keep the Drupal core updated and upgrade your site to the recent version of Drupal.


A ton of exertion and TLC has gone into modification and re-structured Drupal 8 not exclusively to enlarge the extent of reception but to clear a more straightforward way to Drupal 9 and result in significant form redesigns.

This update from Drupal 7/8 to Drupal 9 is a lot more straightforward. There are various capabilities, including Drupal 9, which will be reliably updated semiannually to keep up to date. A few notable features that are added to Drupal is Olivero Theme, Key options to Claro administration theme, Backward Compatibility, Cleaner code base, Major adaptations of Symfony and Twig, support for PHP8 and composer2, Headless CMS and many more.

Also, Drupal 9 installer performance is upgraded for better results. It has support for responsive pictures. Drupal 9 has multilingual abilities. The content work process permits clients to characterize various work processes and there are countless surprising features for you.

So, what are you waiting for? It’s the right time to upgrade your existing applications or websites to Drupal 9. Our Drupal migration and upgrade services manage websites, data, applications, and content migrations of any size and complexity. Get in touch with us at [email protected] or request a free quote by submitting following form with your Drupal 9 migration requirements.