“On October 20th, 2004, Ubuntu announced its first public
release, version 4.10. This release was accompanied by a commitment
to ongoing security updates for a period of 18 months, which has
been reflected in the comprehensive set of Ubuntu Security Notices
issued since that time. The support period for Ubuntu 4.10 is now
nearing its end, and Ubuntu 4.10 will officially reach end-of-life
on April 30th, 2006. At that time, Ubuntu Security Notices will no
longer include information or updated packages for Ubuntu 4.10.“The supported upgrade path from Ubuntu 4.10 is via Ubuntu
5.04…”