WordPress 2.8 Release Candidate 1
wordpress.org/news/2009/06/wordpress-2-8-release-candidate-1
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.
With Release Candidate 1, we think WordPress 2.8 is ready and complete. Download it, test it, and tell us what you think. If you dont uncover any bad bugs, 2.8 will be released on Wednesday the 10th.
If youre interested in what has changed since beta 2, consult the changelog.