Here is a chronology of the ports tree with respect to FreeBSD releases.

Format: MM/DD/YYYY

12/10/1999		freeze for 3.4-RELEASE
around 12/15/1999	tag for 3.4-RELEASE
12/21/1999		3.4-RELEASE (2847 ports)
12/22/1999		tree open

before 03/11/2000	freeze for 4.0-RELEASE
03/11/2000		tag for 4.0-RELEASE
03/11/2000		thaw for 4.0-RELEASE
03/14/2000		4.0-RELEASE (3157 ports)
??/??/2000		tree open

??/??/2000		freeze for 3.5-RELEASE
06/16/2000		tag for 3.5-RELEASE
after 06/16/2000	tree open
06/25/2000		3.5-RELEASE (3403 ports)

before 07/19/2000	freeze for 4.1-RELEASE
07/19/2000		tag for 4.1-RELEASE
07/19/2000		thaw for 4.1-RELEASE
after 07/19/2000	tree open
07/27/2000		4.1-RELEASE (3605 ports)

before 11/17/2000	freeze for 4.2-RELEASE
11/17/2000		tag for 4.2-RELEASE
11/17/2000		thaw for 4.2-RELEASE
after 11/17/2000	tree open
11/21/2000		4.2-RELEASE (4127 ports)

before 04/17/2001	freeze for 4.3-RELEASE
04/17/2001		tag for 4.3-RELEASE
04/18/2001		thaw for 4.3-RELEASE
after 04/18/2001	tree open
04/21/2001		4.3-RELEASE (5045 ports)

before 09/13/2001	freeze for 4.4-RELEASE
09/13/2001		tag for 4.4-RELEASE
09/13/2001		thaw for 4.4-RELEASE
after 09/13/2001	tree open
09/19/2001		4.4-RELEASE (5849 ports)

01/22/2002		freeze for 4.5-RELEASE
01/23/2002		tag for 4.5-RELEASE
01/23/2002		thaw for 4.5-RELEASE
after 01/28/2002	tree open
01/29/2002		4.5-RELEASE

04/02/2002		freeze for 5.0-DP1
04/02/2002		tag for 5.0-DP1
04/02/2002		thaw for 5.0-DP1
??/??/2002		tree open
04/08/2002		5.0-DP1 (6766 ports)

06/25/2002		freeze for 4.6-RELEASE
05/25/2002		tag for 4.6-RELEASE
05/25/2002		thaw for 4.6-RELEASE
after 06/10/2002	tree open
06/15/2002		4.6-RELEASE (7001 ports)

09/21/2002		freeze for 4.7-RELEASE
10/02/2002		tag for 4.7-RELEASE
10/02/2002		thaw for 4.7-RELEASE
??/??/2002		tree open
10/10/2002		4.7-RELEASE (7649 ports)

11/18/2002		5.0-DP2

01/01/2003		freeze for 5.0-RELEASE
01/01/2003		tag for 5.0-RELEASE
01/01/2003		thaw for 5.0-RELEASE
??/??/2003		tree open
01/20/2003		5.0-RELEASE

03/06/2003		freeze for 4.8-RELEASE
03/22/2003		tag for 4.8-RELEASE
03/22/2003		thaw for 4.8-RELEASE
??/??/2003		tree open
04/03/2003		4.8-RELEASE (8332 ports)

before 05/23/2003	freeze for 5.1-RELEASE
05/23/2003		tag for 5.1-RELEASE
05/23/2003		thaw for 5.1-RELEASE
??/??/2003		tree open
06/09/2003		5.1-RELEASE

09/10/2003		freeze for 4.9-RELEASE
09/24/2003		tag for 4.9-RELEASE
09/24/2003		thaw for 4.9-RELEASE
??/??/2003		tree open
10/29/2003		4.9-RELEASE (9212 ports)

11/19/2003		freeze for 5.2-RELEASE
12/04/2003		tag for 5.2-RELEASE
12/04/2003		thaw for 5.2-RELEASE
??/??/2004		tree open
01/12/2004		5.2-RELEASE

02/25/2004		5.2.1-RELEASE

04/20/2004		freeze for 4.10-RELEASE
04/28/2004		tag for 4.10-RELEASE
04/28/2004		thaw for 4.10-RELEASE
??/??/2004		tree open
05/26/2004		4.10-RELEASE (10796 ports)

09/03/2004		freeze for 5.3-RELEASE
10/11/2004		tag for 5.3-RELEASE
10/11/2004		thaw for 5.3-RELEASE
11/06/2004		5.3-RELEASE (5-STABLE)
11/07/2004		tree open

12/31/2004		freeze for 4.11-RELEASE
01/08/2005		tag for 4.11-RELEASE
01/08/2005		thaw for 4.11-RELEASE
01/25/2005		tree open
01/25/2005		4.11-RELEASE

03/21/2005		freeze for 5.4-RELEASE
04/02/2005		tag for 5.4-RELEASE
04/02/2005		thaw for 5.4-RELEASE
05/09/2005		5.4-RELEASE
05/09/2005		tree open

08/01/2005		freeze for 6.0-RELEASE
08/28/2005		tag for 6.0-RELEASE
08/28/2005		thaw for 6.0-RELEASE
11/04/2005		6.0-RELEASE
11/04/2005		tree open

02/23/2006		freeze for 6.1-RELEASE
03/15/2006		tag for 6.1-RELEASE
03/15/2006		thaw for 6.1-RELEASE
05/09/2006		6.1-RELEASE
05/10/2006		tree open

02/23/2006		freeze for 5.5-RELEASE
03/15/2006		tag for 5.5-RELEASE
03/15/2006		thaw for 5.5-RELEASE
05/25/2006		5.5-RELEASE
05/26/2006		tree open

10/10/2006		freeze for 6.2-RELEASE
10/30/2006		tag for 6.2-RELEASE
10/30/2006		thaw for 6.2-RELEASE
01/15/2007		6.2-RELEASE
01/16/2007		tree open

10/30/2007		freeze for 6.3-RELEASE
12/11/2007		tag for 6.3-RELEASE
12/10/2007		thaw for 6.3-RELEASE
01/18/2008		6.3-RELEASE
01/19/2008		tree open

10/30/2007		freeze for 7.0-RELEASE
12/11/2007		tag for 7.0-RELEASE
12/11/2007		thaw for 7.0-RELEASE
02/27/2008		7.0-RELEASE
02/28/2008		tree open

09/08/2008		freeze for 6.4-RELEASE
09/22/2008		tag for 6.4-RELEASE
09/22/2008		thaw for 6.4-RELEASE
11/28/2008		6.4-RELEASE
11/29/2008		tree open

09/08/2008		freeze for 7.1-RELEASE
09/22/2008		tag for 7.1-RELEASE
09/22/2008		thaw for 7.1-RELEASE
01/05/2009		7.1-RELEASE
01/05/2009		tree open

04/13/2009		freeze for 7.2-RELEASE
04/21/2009		tag for 7.2-RELEASE
04/21/2009		thaw for 7.2-RELEASE
05/04/2009		7.2-RELEASE
05/05/2009		tree open

09/15/2009		freeze for 8.0-RELEASE
09/30/2009		tag for 8.0-RELEASE
09/30/2009		thaw for 8.0-RELEASE
11/25/2009		8.0-RELEASE
11/26/2009		tree open

02/15/2010		freeze for 7.3-RELEASE
03/06/2010		tag for 7.3-RELEASE
03/06/2010		thaw for 7.3-RELEASE
03/23/2010		7.3-RELEASE
03/23/2010		tree open

06/18/2010		freeze for 8.1-RELEASE
07/08/2010		tag for 8.1-RELEASE
07/08/2010		thaw for 8.1-RELEASE
07/23/2010		8.1-RELEASE
07/23/2010		tree open

01/11/2011		freeze for 7.4-RELEASE/8.2-RELEASE
02/08/2011		tag for 7.4-RELEASE/8.2-RELEASE
02/08/2011		thaw for 7.4-RELEASE/8.2-RELEASE
02/24/2011		7.4-RELEASE/8.2-RELEASE
02/24/2011		tree open

11/10/2011		freeze for 8.1-RELEASE
12/12/2011		tag for 8.1-RELEASE
12/12/2012		thaw for 8.1-RELEASE
01/10/2012		8.1-RELEASE
01/08/2012		tree open

(notes: "after" means "happened sometime after", "before" means
"happened sometime before)

(sources: CVSROOT-ports/avail; ports/INDEX; freebsd-announce archives;
personal email archives; releases/*/schedule.html)

author: linimon@FreeBSD.org

last modified:
Wed Jan 18 13:05:22 CST 2012