NodeJS 0.6.11 is out, while the version in Portage is still at 0.6.8. I imagine the upgrade works without a major change, however the v8 dependency might need to be altered.
+ 20 Feb 2012; Patrick Lauer <patrick@gentoo.org> +nodejs-0.6.11.ebuild, + -nodejs-0.4.11.ebuild, -nodejs-0.4.12.ebuild, -nodejs-0.6.6.ebuild, + -nodejs-0.6.7-r1.ebuild: + Bump for #404577