Mercurial 1.8.3 was released on May 1st. Please add it to Portage tree. Reproducible: Always
*mercurial-1.8.3 (13 May 2011) 13 May 2011; Dirkjan Ochtman <djc@gentoo.org> +mercurial-1.8.3.ebuild: Version bump to 1.8.3 (bug 366837).