Here is a Meta Box tutorial showing how to create a bi-directional relationship between two Custom Post Types and display them using Oxygen.

This is a tutorial for developers on adding patterns for the Query Loop block.

This is an excellent and thorough overview of Accessibility and WordPress by Cory Miller. It is the best single article on the subject that I’ve seen. A good discussion of what to consider and what decisions need to be made.

Interested in block development – this tutorial shows how to create a dynamic block using the RestAPI and the useEntityRecords to get a listof pages. It is a complete tutorial and you should be able to create a working block by following it.

This is a good tutorial on how to use relationships between Custom Post Types when using Crocoblock’s JetEngine.

Marcus Kober has written this in depth guide for developers on how to add hooks to your PHP code.

Munir Kamal runs the Gutenberg Hub shop where they sell block plugins. In this video David McCan takes a look at the Better YouTube Embed plugin, which offers an easy performance boost.

Here is a full walk-through by Imran Siddiq creating a website using Bricks, GridbuilderWP, and RankMath. It is a 3 hours and 21 minutes video with nothing left out. If you want to get your feet wet with Bricks then this would be a good place to start.

Of interest for those who believe less is more – In this short video Kevin Powell shows how little CSS you actually need to get a responsive and decent looking webpage.