go-1.2.1 is release a month ago. https://groups.google.com/forum/#!msg/golang-nuts/KLbkfDG5GgU/tcfb9ZYgttAJ
... and Go 1.2.2 was released on May 6th. URL: https://groups.google.com/d/msg/golang-nuts/WDX2hJfqfck/tIqtMwvFvK0J
+ 05 Jun 2014; Patrick Lauer <patrick@gentoo.org> +go-1.2.2.ebuild: + Bump