One security problem and three bugs has been addressed with the new releaseÂ of WordPress 2.6.5 If you are interested only in the security fix, copy wp-includes/feed.php and wp-includes/version.php from the 2.6.5 release package.
“… Note that we are skipping version 2.6.4 and jumping from 2.6.3 to 2.6.5 to avoid confusion with a fakeÂ 2.6.4 release that made the rounds. There is not and never will be a version 2.6.4″.
Now we know where is WordPress 2.6.4! It has been completely yanked off and there will be NO version 2.6.4 – click here to downloadÂ WordPress 2.6.5