Taking folk by surprise the old last version of Opera Presto has been updated to reflect security issues
http://www.ghacks.net/2016/02/16/surprise-opera-12-18-has-been-released/
supposedly this..
I hate to repeat myself, but 12.18 is a security update. They removed a few protocols that are considered unsafe, added some which were not in 12.17. and enabled TLS 1.1 and 1.2 by default. And yes, there's an update for Mail too. No, no Linux or Mac versions yet.
Official download