The toolbar was redesigned so editing actions are easier to scan. Full and Mini keep distinct sizes, and Mini also provides a compact writing space suited to notes and comments.
Quick-start examples were updated to use the verified 0.0.4 release. You can start with the complete HTML, then choose Full or Mini through the documented toolbarSize option.
The example code keeps its CDN script pinned to an immutable commit. That makes the version used in your page explicit while you try formatting, images, tables, code, and formulas.