Usability Tests

GutenbergGutenberg The Gutenberg project is the new Editor Interface for WordPress. The editor improves the process and experience of creating new content, making writing rich content much simpler. It uses ‘blocks’ to add richness rather than shortcodes, custom HTML etc.
https://wordpress.org/gutenberg/ (editor):

• Testing the Gutenberg User test
• User testing the Gutenberg editor
• Some results
• Gutenberg Core editor User testing