WordPress 2.0 was released Dec 31/05. The only version available in Portage at present is 1.5.2 which was released in Aug/05. Version 2.0 has some major enhancements, including Ajax. Upgrade instructions are here: http://codex.wordpress.org/Upgrading_WordPress It would be really good (actually it is kinda essential) if the ebuild performed all of the points in the upgrade instructions when it detects an older version is already installed.
*** This bug has been marked as a duplicate of 116827 ***