If an old site for anything (here, groovy.codehaus.org) doesn't mention it's moving to a new site (here, www.groovy-lang.org) then I question what's going on. A

If an old site for anything (here, groovy.codehaus.org) doesn't mention it's moving to a new site (here, www.groovy-lang.org) then I question what's going on. As for your link, it's a link to a personal blog and not an article on the Codehaus Groovy site so it's just as unofficial as the supposed new site for Groovy.