Nmap 4.90 RC1 was released today. Since beta 9 is the latest in portage... Reproducible: Always
Created attachment 195845 [details] nmap 4.90 rc1 ebuild the ebuild
+*nmap-4.90_rc1 (27 Jun 2009) + + 27 Jun 2009; Patrick Lauer <patrick@gentoo.org> +nmap-4.90_rc1.ebuild: + Bump to 4.90_rc1, fixes #275563