WOW! Ubuntu 22.10 Installation and new features
Ubuntu 22.10 with the codename "Kinetic Kudu" was released on October 20, 2020.
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Ubuntu 21.10 - What's new? - Upgrade Experience and Screenshots
Ubuntu 21.10 Impish Indri has been released on Oct 14, 2021, and it is available for upgrade from the previous version of Ubuntu 21.04 Hirsuite Hippo.