Useful Drupal modules

Click on the module name for notes, comments, patches.
Recommendations (for and against) are my personal opinion only and may be out of date. Feel free to email with corrections/suggestions.

Why haven't you mentioned Drupal 9? As of December 2021 I've updated most of the sites I look after to Drupal 9 (experience: mixed). I haven't decided how to label future version compatibility as D10 will be coming soon as well. The upgrade_status module is superb. You're bound to have issues with composer. Also watch out for a nasty session headers bug with redirect_after_login.

(1 modules in list)
Module name or machine name
Any text in the notes
Name D8 Personally Tested Last Updated
Upgrade Status (for Drupal 9) (upgrade_status) ✔ ✔ 2020-05-16

d.o. page

"Essential"

Very useful module for scanning installed modules (including your own custom code) for compatibility issues - gives a detailed report of necessary fixes.

NB: scanning using the UI (rather than Drush) won't work on a dev server without a valid SSL certificate.
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