The new Gutenberg editing experience for WordPress

Gutenberg is more than an editor. It’s also the foundation that’ll revolutionize customization and site building in WordPress.

https://wordpress.org/gutenberg/

Meet your new best friends, Blocks

Blocks are a great new tool for building engaging content. With blocks, you can insert, rearrange, and style multimedia content with very little technical knowledge. Instead of using custom code, you can add a block and focus on your content.