https://www.libreoffice.org/download/4-1-new-features-and-fixes has a link to the previous new features in 4.0. In "(Previous LibreOffice 4.0 Features Page: 4.0)". The 4.0 links to https://www.libreoffice.org/ but should link to https://www.libreoffice.org/download/4-0-new-features-and-fixes
Thanks for reporting.
Set the link to "this site > Download > 4.0 features"