Kate Stewart mengumumkan ketersediaan rilis alpha pertama Ubuntu 11.10, dengan nama kode “Oneiric Ocelot”:
Our Oneiric Ocelot (Ubuntu 11.10 alpha 1) is poking its young head out of the den, and looking for some developers and testers to play with. As with every new release, packages are being updated at a rapid pace. Many of these packages came from an automatic sync from Debian’s unstable branch, others have been explicitly pulled in for 11.10 Oneiric Ocelot. Some of the key packages making their first appearance with this alpha 1 release are: Linux Kernel 2.6.39 based on the latest mainline release candidate kernel at kernel milestone freeze kernel; the default compiler has been bumped from GCC 4.5 to GCC 4.6; NetworkManager 0.9.