The latest versions are: 5.0.4e for PCs (Windows 7,8 and 10) and Macs with OS X 10.7 or higher
Better picture export
Better tidy text
Story board improvements
Chapters, scenes and characters can specify a type
Added help index
See here for more details
Chapter and scene summary can now start from a template
Storyline Editor now has filtering options
Character tools now include options to generate existing character personality, description and history from add-on data
Small changes to export and story outline.
ePub export for creating e-books. Quickly create eBooks in ePub format
Microsoft Word export
New PDF Manual
The scene and sections now have a summary editor for recording a summary plus details of the characters, locations, events, and props.
The editor now includes colored text and background, strike through, subscript, and superscript
Text Compare shows the differences between the current text and earlier versions that have been saved as snapshots
Use critiques to find cliches, repeated words, etc.
Print and Print Preview
The writing targets can be shown at the bottom of the screen
A picture can be added to each event, location, note, idea and prop
Links to pictures can now be added anywhere in the text
Record how complete each part of the book is using completion status
+ many more changes