2009-06-29http://www.postgresql.org/docs/8.4/static/release-8-4.html2009-03-17http://www.postgresql.org/docs/8.3/static/release-8-3-7.html2009-03-17http://www.postgresql.org/docs/8.2/static/release-8-2-13.html2009-03-17http://www.postgresql.org/docs/8.1/static/release.html#RELEASE-8-1-172009-03-17http://www.postgresql.org/docs/8.0/static/release.html#RELEASE-8-0-21