Various stability improvements, redirecting links correctly marked as visited, initial support for quoting selected text in messages, solved problem with duplicate addresses when using "Reply all".
All changelogs here.
And last (but not least): The US edition of PC World has unveiled the 2004 winners of its annual World Class Awards, with Opera 7.23 gaining the title as best Web browser. More information here.
On other browser news, OmniGroup published OmniWeb 5.0-b7.