Ability to have super categories which have their own Table of Contents separating your timeline into smaller and more manageable pieces.
Also the ability to make or not articles visible on the ToCs (Guild only)
And finally to choose to collapse or not certain categories on the ToCs and set the privacy/visibility of categories.
In addition the new Books categories will have their own cover, title and preface (Description).
**December 2017 Masters Voted Feature**