Weblog Tools Collection: First Look At WordPress 2.7
weblogtoolscollection.com/archives/2008/09/02/first-look-at-wordpress-27
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
Although tentatively scheduled for November, WordPress 2.7 looks to be as big of a release since WordPress 2.5, perhaps even bigger.