Ο Martin Wimpress announced the availability of the new testversion for Ubuntu Community flavors. 
The new development snapshot has reached version 17.10 Beta 1, and provides mostly a preview of the upcoming operating system to Ubuntu testers.
This release as the first beta is of course not recommended for use in production systems.
“The first step of Artful Aardvark (due 17.10) has been released! They are available pictures ISO for the Kubuntu, Lubuntu, Ubuntu Budgie, Ubuntu Kylin, Ubuntu MATE, Ubuntu Studio and Xubuntu. Recommended for Ubuntu flavor developers and anyone who wants to help test, report and fix bugs, This release is ready.”
You can download the ISO you are interested in from the following links:
kubuntu-artful-desktop-amd64.iso (1,742MB, SHA256, signature, torrent sites)
lubuntu-artful-desktop-amd64.iso (982MB, SHA256, signature, torrent sites)
ubuntukylin-artful-desktop-amd64.iso (1,689MB, SHA256, signature, torrent sites)
ubuntu-mate-artful-desktop-amd64.iso (1,659MB, SHA256, signature, torrent sites)
ubuntu-budgie-artful-desktop-amd64.iso (1,448MB, SHA256, signature, torrent sites)
ubuntustudio-17.10-beta1-dvd-amd64.iso (2,789MB, SHA256, signature, torrent sites)
xubuntu-artful-desktop-amd64.iso (1,317MB, SHA256, signature, torrent)
