This guide covers the various Drupal CMS versions, we cover how long they will be supported and to upgrade Drupal 7 and 8 to Drupal 9.
The guide covers many topics around upgrading Drupal, whatever version you are on, so be sure to check out the table of content below.
Before we get into specifics, we’ll delve into a bit of historical information around Drupal to give some perspective.
Drupal History 101
Drupal has been in existence from almost 20 years and was initially launched in 2001. The latest version of Drupal – Drupal 9 – was released on 3rd June 2020 and is the newest incarnation of the software. As of writing, there are three currently supported versions of this popular CMS.
They are Drupal 7, Drupal 8 and Drupal 9. Drupal 7 was released on January 5th 2011, as of writing this makes the CMS almost 9 years old. In software terms, 9 years is a lifetime and this version of Drupal is considered old.
Drupal 7’s successor logically was Drupal 8. Drupal 8 was a major overhaul of the systems and was almost a complete rewrite. The rewrite included changing the entire underpinnings of Drupal’s architecture to use the Symfony framework. This was a large change and, as a consequence, upgrading Drupal 7 to Drupal 8 is more challenging than in the previous versions. The upgrade path from Drupal 8 to Drupal 9 which be much smoother.
Upgrading from Drupal 7 to Drupal 9
Upgrading from Drupal 8 to Drupal 9
Upgrading from Drupal 7 to Drupal 8
Can I upgrade Drupal 7 to Drupal 9
What is the difference between Drupal 7 and Drupal 8?
What is the difference between Drupal 8 and Drupal 9?
Frequently Asked Question about Drupal
Should I upgrade to Drupal 8?
Should I upgrade to Drupal 9?
How do I migrate to Drupal 8?
How do I migrate to Drupal 9?