Canonical has started releasing ISOs of Ubuntu Release Candidate – RC (Release Candidate) 15.10 (aka Wily Werewolf). The operating system is available for testing to find the last remaining bugs, with a schedule to be ready on October 22nd, when it will be officially released.
Ubuntu 15.10 is currently in the final development stage, which means that after this RC release you will not get any new features and updates, except for critical security vulnerabilities and major bugs that might be discovered during the review period of said release.
All RC isos of Ubuntu 15.10 – Wily Werewolf, including Ubuntu, Kubuntu, Lubuntu, Ubuntu Core, Ubuntu GNOME, Ubuntu Kylin, Ubuntu MATE, Ubuntu Server, Ubuntu Studio, and Xubuntu, are available on Canonical's tracker for both 64-bit (AM64) and 32-bit (i386).
