I’ve only just been catching up with the news about Gutenberg, the name for a revamp of the WordPress editor. You can use it right now, as it’s being built as a plugin first, with the idea that eventually it goes into core. The repo has better information.
It seems to me this is the most major change to the WordPress editor in WordPress history. It also seems particularly relevant here as we were just talking about content blocks and …

Gutenberg is a post from CSS-Tricks