These release notes for Ubuntu 17.10 (Artful Aardvark) provide an overview of the release and document the known issues with Ubuntu 17.10 and its flavors.
Ubuntu 17.10 will be supported for 9 months until July 2018. If you need Long Term Support, it is recommended you use Ubuntu 16.04 LTS instead.
Official flavour release notes
Find the links to release notes for official flavors here.
ubuntu-17.10-desktop-amd64.iso (27 downloads)