Most modern browsers are now flagging sha1 certs as insecure, whether it be something simple like a URL bar color change on the padlock to a caution flag, or with Chrome, clicking into the details tells you the site is using "obsolete encryption". Odin has known about the issue for at least eight months (http://kb.odin.com/en/123904) and released that kb on how to work around it. Yet here we are, Plesk 12 still doesn't make that change itself so that new servers generate SHA2 csr's....