PHP 5.6.0 was released 28.8.2014, probably we should move on because PHP 7 is around the corner! :)
Would have stabilised if it weren't for all the security issues in PHP lately.
5.6.9 ongoing in https://bugs.gentoo.org/show_bug.cgi?id=550164. *** This bug has been marked as a duplicate of bug 550164 ***