I'm pleased to announce the immediate availability of AlphaUserPoints version 1.6.4 stable for download. This new version corrects some important bugs and add the new installer rules as in version 1.5.x.
IMPORTANT NOTE: This version run only with the current Joomla 1.6.x and 1.7.x. Not works with Joomla 1.5.x

--------------------  1.6.4 stable [05 october 2011]  ---------------------
# fixed author ID and article ID (Undefined property: stdClass::$created_by) in plugins content
# fixed button for Plaxo on invite layout
^ update phpThumb library 1.7.11
^ update reCaptcha library 1.11
+ added possibility to show/hide "Referral User Name" column on menu "users list"
+ added rules installer
- removed Joomunity Profile option
# fixed admin menu icon and label on installation
^ help files updated

You can download AlphaUserPoints 1.6.4 here and additional rules for AUP 1.6.x