As we progress through the Summer semester, we'd like to highlight a few key dates for Drupal in 2021 and 2022 to clear up any confusion.
Drupal 8 support ends on 2 November 2021:
Drupal 8.9.x websites managed with Composer can be updated to Drupal 9.x by following the steps below.
Follow the directives on the Upgrading to Drupal 9 page:
- Drupal 9 requires a settings.php change.
As with any major update, make a full backup (filesystem and database) before you begin.
As announced by the Office of Information Technology on 2/4/2021:
Notes, tips, and tricks for upgrading a Drupal 8 site to Drupal 9
You've upgraded your Drupal 8 site to 8.8+ and now get the following warning in your site's Status Report.