Publii 0.36 Prerelease 5!
April 17, 2020 at 12:37 pm#2493

I think you are talking about the WYSIWYG editor – this one works in the same way as in the Publii 0.35.
The interface that comes up by default is a minimalist one that enables formatting by paragraph:
How does one navigate to the WYSIWYG editor?