Haven't had any real issue with any version of this, so filing a req for the newest version is sort of arbitrary as they could very well all be stabilised as far as I'm concerned.
amd64: pass NOTE: repo.eapi.deprecated 1 app-vim/nerdcommenter/nerdcommenter-2.3.0.ebuild: 2
+ 05 Nov 2013; Tony Vroon <chainsaw@gentoo.org> nerdcommenter-2.3.0.ebuild: + Marked stable on AMD64 based on arch testing by Elijah "Armageddon" El + Lazkani in bug #481842.
x86 stable. Last arch, closing.