v3.1.2
Breaking change:
EpubNavigationItemLink.ContentFileNameis no longer returning the absolute file path (it didn't work properly anyway). Instead it now returns the file path exactly as it is specified in the EPUB navigation file (which could be either absolute or relative). If you need an absolute file path, use theEpubNavigationItemLink.ContentFilePathInEpubArchiveproperty.
New features:
EpubContent.NavigationHtmlFileandEpubContentRef.NavigationHtmlFileproperties which points to the EPUB 3 navigation XHTML file (if present).