Vivvo have released a new patch for their publishing CMS that claims to provide “few nice optimization improvements, including faster template rendering and addressed couple of minor bugs. Also, this patch is important to anyone using PHP 5.3 on server, for it solves compatibility issues with latest PHP release.”
A full changelog can be found here: Vivvo Changelog and as always, Vivvo can be purchased for less than $200 from Vivvo.net