Portage is still at version 3.9.0 of RAR, while 3.9.1 and 3.9.2 have been released upstream. Mainly bugfixes and support for LZMA2 7-Zip archives. http://www.rarlab.com/rarnew.htm Renaming the ebuild from rar-3.9.0.ebuild to rar-3.9.2.ebuild is enough.
+*rar-3.9.2 (16 Feb 2010) + + 16 Feb 2010; Samuli Suominen <ssuominen@gentoo.org> +rar-3.9.2.ebuild: + Version bump wrt #305219, thanks to Nikos Chantziaras for reporting.