You can scroll Web preview to corresponding line from context menu in left side panel with ToC or from context menu of line number area.
You can scroll editor to corresponding heading by clicking item in left side panel with ToC.
You can load all linked Markdown files recursively and see a full Web preview of all of them at place.
You can choose working directory for the current Markdown document to process images and recursive links from that directory.
This editor and converter can handle RTL and LTR languages.
You can setup and opt in additional style plugins for Markdown processing, like subscript, superscript, marking of text. This feature implemented both in editor and converter to PDF.
You can generate GitHub flavoured ToC in Markdown in one click from menu.
Spell checking can be configured to handle more than one language in the Markdown document.
You can find a text both in editor and in Web preview.
You can use this editor like Web browser only for Markdown documents (preview mode).
Editor can be a little bit smart to auto continue list and fenced code blocks on Return key press, like on GitHub, but even better. Have a look at Settings->Editor->Auto formatting settings.
Fenced code blocks may be highlighted with corresponding syntax in editor. Look at Settings->Colors settings.
Links in editor can be clicked with "Control" key for navigation.
Maybe the author did forget something?
Thanks for using.
Enjoy.