You can check the detailed release history in HelpNDoc's what's new page.

Redesigned user interface

More modern and clean, Microsoft Office 2016 inspired user interface.

Responsive HTML5 template

The default HTML template is now based on HTML5 and is fully responsive: it will adapt to all screen sizes from a smart phone to a TV. It is now easier to customize it by easily adding custom JavaScript, CSS and a logo from HelpNDoc's user interface. It provides multiple color schemes by default...

Split imported Word documents and HTML files

HelpNDoc is now able to split imported Word documents and HTML files into multiple topics to rapidly create a complete project out of a single document. Documents can be split based on font size or heading level.

Hidden topics in the table of contents

Topics can now be hidden from the table of contents: they will still be generated and can be linked to, but they won't be visible in the table of contents anymore

Local HTTP web server

Some web-browsers didn't correctly process local generate HTML files due to security descriptions: HelpNDoc now provides a local web-server to serve the files as if they we hosted on a web-server. This eases debugging process to make sure the final documentation will work as expected when hosted on the final web-server.

Enhanced PDF generator

The PDF generator can now generate projects of any size without memory limitations. PDF file size is also optimized based on excluded fonts.

Cleaner project analyzer user interface

The project analyzer's user interface is now easier to navigate: all filters and actions are now displayed on screen and as right-click popup menus. 

Various enhancements and fixes

Better generation of all documentation formats, overall speed and reliability enhancements, better locking of HND project files, multiple bug fixes...