Here, for no compelling reason, I provide you with the dates of all of the Slackware release candidates, betas, and stable releases since Slackware 8.1 RC1. I got all of this out of the change logs on ftp.slackware.com. This is only for x86 32-bit. I didn’t look at change logs for other architectures.
I also included some other quotes from the change logs that hinted at upcoming releases before the first release candidate or beta. Notably, I included the dates when /etc/slackware-version was updated if it happened before any RC or beta release was announced. Mostly everything below is quoted directly from the appropriate change log.
I’m probably not the first person to do something like this, but I wasn’t sure where to look to find all this information assembled. Those of you who (futilely) try to predict the future of Slackware releases could perhaps seed your crystal ball with this data—not that I endorse such shenanigans.
EDIT: Mere hours after I posted this, there’s a relevant update in the current change log.
Code:
Sun Jul 22 22:38:36 UTC 2012 Slackware 14.0 beta
Mon Jun 25 05:17:48 UTC 2012 Bumped slackware-version to 14.0
Mon Apr 25 13:37:00 UTC 2011 Slackware 13.37
Sun Mar 27 08:28:47 UTC 2011 Slackware 13.37 RC 3.14159265358979323846264338327950288419716
Tue Mar 22 06:59:13 UTC 2011 Slackware 13.37 release candidate 3
Wed Mar 16 06:20:03 UTC 2011 Slackware 13.37 release candidate 2
Wed Mar 9 05:52:06 UTC 2011 Slackware 13.37 release candidate 1
Wed May 19 08:58:23 UTC 2010 Slackware 13.1
Tue May 18 22:17:13 UTC 2010 Slackware 13.1 RC2
Fri May 14 19:37:13 UTC 2010 Slackware 13.1 RC1
Thu May 6 21:02:02 UTC 2010 Slackware 13.1 BETA1
Wed Aug 26 10:00:38 CDT 2009 Slackware 13.0
Tue Jun 16 17:50:30 CDT 2009 Updated slackware-version
Tue Dec 9 00:00:23 CST 2008 Slackware 12.2
Tue Dec 2 23:34:03 CST 2008 Slackware 12.2 release candidate one
Thu May 1 13:36:34 CDT 2008 Slackware 12.1
Mon Apr 28 23:43:55 CDT 2008 Slackware 12.1 RC3
Mon Apr 21 16:47:32 CDT 2008 Slackware 12.1 RC2
Thu Apr 3 01:16:15 CDT 2008 Slackware 12.1-rc1
Fri Mar 28 23:35:22 CDT 2008 Bumped /etc/slackware-version
Wed Mar 19 19:34:38 CDT 2008 "Is this Slackware 12.1 RC 1 yet?"
Sun Jul 1 22:30:42 CDT 2007 Slackware 12.0
Thu Jun 14 16:39:01 CDT 2007 Slackware 12.0 release candidate 1
Sat Mar 17 19:14:35 CDT 2007 "Happy St. Patrick's Day! ... If the luck o' the Irish is
with us, it'll be a fairly alpha/beta/rc period from here."
Sun Oct 1 23:50:53 CDT 2006 Slackware 11.0
Mon Sep 18 05:33:24 CDT 2006 Slackware 11.0 release candidate 5
Sun Sep 3 01:46:42 CDT 2006 Slackware 11.0 release candidate 4
Fri Aug 25 04:35:22 CDT 2006 Slackware 11.0 release candidate 3
Sat Aug 19 23:58:27 CDT 2006 Slackware 11.0 release candidate 2
Mon Aug 14 02:23:30 CDT 2006 Slackware 11.0 release candidate 1
Tue Sep 13 12:24:53 PDT 2005 Slackware 10.2
Thu Sep 8 13:24:58 PDT 2005 "OK folks, this is just about ready to go."; Bumped version number to 10.2
Tue Aug 2 15:34:18 PDT 2005 "I think it's time to consider this to be mostly frozen" for 10.2
Wed Feb 2 18:22:01 PST 2005 Slackware 10.1
Sat Jan 22 18:12:37 PST 2005 Slackware 10.1 beta 1
Tue Jun 22 01:34:56 PDT 2004 Slackware 10.0
Sun Jun 20 02:07:22 PDT 2004 Slackware 10.0 release candidate 2
Tue Jun 15 18:30:11 PDT 2004 Slackware 10.0 release candidate 1
Thu Sep 25 07:00:08 PDT 2003 Slackware 9.1
Tue Sep 23 21:57:32 PDT 2003 Slackware 9.1 release candidate 2
Mon Sep 22 22:58:30 PDT 2003 Slackware 9.1 release candidate 1
Wed Sep 17 02:00:02 PDT 2003 Slackware 9.1-beta2
Fri Sep 12 00:47:02 PDT 2003 Slackware 9.1 beta-1
Tue Aug 12 12:49:36 PDT 2003 Bump /etc/slackware-version to 9.1.0 (pre)
Tue Mar 18 01:44:41 PST 2003 Slackware 9.0
Mon Mar 17 10:47:33 PST 2003 Slackware 9.0 is (almost) released
Fri Mar 14 00:52:10 PST 2003 Slackware 9.0-rc3
Sun Mar 9 23:49:43 PST 2003 Slackware 9.0-rc2
Sun Mar 2 18:39:56 PST 2003 Slackware 9.0-rc1
Fri Aug 30 14:19:08 PDT 2002 Slackware-9.0-beta
Wed Jun 19 07:02:39 PDT 2002 Slackware 8.1.01-stable
Tue Jun 18 10:47:47 PDT 2002 Slackware 8.1-stable
Mon Jun 10 15:39:55 PDT 2002 Slackware 8.1rc3
Sat Jun 1 15:20:00 PDT 2002 Slackware 8.1-rc2
Sat May 25 12:38:52 PDT 2002 Slackware 8.1-rc1