There is no single “best” content authoring experience. Only the best authoring experience for the authors you're working with, the organizations they're working for, and the content they're creating.
For our first sponsored contribution time, we plan to help improve Drupal's admin UX. This details who we have coordinated with and what the next initiatives will be.
What your content team thinks of the website can make or break the long-term success of a project more than its design or external user experience. You should pay attention to the authoring UX.
Using display modes properly can provide benefits throughout your entire development stack. Here's how to use them with some guidelines and recommendations.
A group of Lullabots (and Former 'bot and podcast co-host Mike Herchel) get together to discuss the new Default theme in Drupal 9 and 10 that they helped build.