Ever needed to create a "decision tree" or "Smart Answers" feature and didn't know where to start? It's pretty easy if you use Drupal's webform module and add conditional handlers for the confirmation settings (all through a few clicks in the webform UI).
Single-Directory Components (SDC) is the biggest change to Drupal theming since the introduction of Twig. Here's an "unboxxing" walkthrough of how it works.
Decoupling your frontend (Gatsby) from your backend (Drupal) is the Holy Grail. Change/update one without affecting the other. But what happens when both frameworks release a new version at the same time?