[UPDATE] license
[REFACTOR] Replace [M↓] with Markdown
[REFACTOR] The source button should actually be named HTML Preview
[REFACTOR] The Synax and Extra Syntax buttons should be named: Docs for [Markdown] and
                   [Markdown Extra]
[REFACTOR] textarea boxes: please use an outer-glow instead of changing the border
[UPDATE] marked.js added headerPrefix, internally
[UPDATE] FileReader.js - v0.99
[UPDATE] highlight js
[FEATURE] File upload via clipboard and selecting multiple files
Also maybe give an indication that it is possible to drag and drop an image, like here on GitHub.
[FEATURE] When image drag and drop is enabled, have the ability to hide the Insert Image button. Via System -> Configuration
[FEATURE] Tabbed Editor, Part 1
[FEATURE] Tabbed Editor, Part 2
[FEATURE] Tabbed Editor, Part 3
[FIX] Moving Mage Core buttons
[FEATURE] Tabbed Editor, Part 4
[FEATURE] Tabbed Editor, add new config options, new style sheets, update external libraries, add lib html_style to reformat html
[FEATURE] Tabbed Editor, add new config options, live preview; refactored JS.
[FEATURE] New config flag for css style of the preview iframe. preview iframe now in HTML5 sandbox mode, deactivated everything.
[FEATURE] cross document messaging for posting the scroll position in the iframe
[FEATURE] cross document messaging for posting the scroll position in the iframe, 2