Changelog for DigWP v4.0
@ https://digwp.com/book/errata/

Core Book

- New version in PDF format
- Fine-tuned styles, layout, details
- Updated meta information for PDF versions
- Updated credits and copyright infos
- Updated Intro page with 4.0 info
- Fixed various errata
- Added bonus content info in Table of Contents
- Added blurb about themes book in Table of Contents
- General cleanup, fine-tuning and maintenance
- Created new Demo version of the PDF

Check out a full list of changes to WP 4.0:

@ https://wordpress.org/news/2014/09/benny/
@ http://codex.wordpress.org/Version_4.0