Each change list contains a brief description of the main new, improved and fixed features of kiwitrees included in that release.
Many of the new features are also accompanied by a screenshot of the feature.
If you are upgrading from a previous version of kiwitrees you should read this and also the Upgrade instructions for the new version. Together these documents should help you avoid any upgrading problems, and be prepared for changes to the appearance or functionality of parts of the system. Kiwitrees is a constantly evolving product, so such changes will happen every few months.