NTP Release Timeline

Last update: May 25, 2024 13:45 UTC (ac21a5a41)

4.2.8-series

4.2.8p18 is the latest stable and recommended version of NTP.


Release Date Release Announcement Changelog # of Security Fixes # of Bug Fixes/Improvements
2024 May 25 4.2.8p18 4.2.8p18 40 bugs
40 improvements
2023 Jun 06 4.2.8p17 4.2.8p17 3 bugs
1 improvement
2023 May 30 4.2.8p16 4.2.8p16 3 LOW
1 NONE
 46 bugs
15 improvements
2020 Jun 23 4.2.8p15 4.2.8p15 1 MEDIUM 13 bugs
2020 Mar 3 4.2.8p14 4.2.8p14 2 MEDIUM
1 NONE		 46 bugs
5 improvements
2019 Mar 7 4.2.8p13 4.2.8p13 1 MEDIUM 17 bugs
1 improvement
2018 Aug 14 4.2.8p12 4.2.8p12 1 MEDIUM
1 LOW		 27 bugs
4 improvements
2018 Feb 27 4.2.8p11 4.2.8p11 4 MEDIUM
2 LOW		 33 bugs
34 improvements
2017 Mar 21 4.2.8p10 4.2.8p10 6 MEDIUM
4 LOW
4 NONE		 14 bugs
2 improvements
2017 Feb 1 4.2.8p9-win 4.2.8p9-win 2 bugs
2 improvements
2016 Nov 21 4.2.8p9 4.2.8p9 1HIGH
5 MEDIUM
2 LOW		 23 bugs
5 improvements
2016 Jun 2 4.2.8p8 4.2.8p8 1 HIGH
4 LOW		 4 bugs
4 improvements
2016 Apr 26 4.2.8p7 4.2.8p7 2 HIGH
6 MEDIUM
2 LOW		 16 bugs
7 improvements
2016 Jan 20 4.2.8p6 4.2.8p6 2 HIGH
7 MEDIUM		 9 bugs
2 improvements
2016 Jan 7 4.2.8p5 4.2.8p5 1 MEDIUM 14 bugs
8 improvements
2015 Oct 21 4.2.8p4 4.2.8p4 9 HIGH
4 MEDIUM		 21 bugs
81 improvements
2015 Jun 27 4.2.8p3 4.2.8p3 1 MEDIUM 3 bugs
5 improvements
2015 Jun 27 4.2.8p3-RC3 4.2.8p3-RC2 4 bugs
12 improvements
2015 Jun 24 4.2.8p3-RC2 4.2.8p3-RC2 14 bugs
9 improvements
2015 May 12 4.2.8p3-RC1 4.2.8p3-RC1 20 bugs
5 improvements
2015 Apr 7 4.2.8p2 4.2.8p2 1 bug
1 improvement
2015 Apr 3 4.2.8p2-RC2 4.2.8p2-RC2 8 bugs
1 improvement
2015 Mar 30 4.2.8p2-RC1 4.2.8p2-RC1 1 MEDIUM
1 LOW		 25 bugs
5 improvements
2015 Feb 4 4.2.8p1 4.2.8p1 1 MEDIUM
2015 Jan 29 4.2.8p1-RC2 4.2.8p1-RC2 6 bugs
2015 Jan 24 4.2.8p1-RC1 4.2.8p1-RC1 1 MEDIUM 3 bugs
2 improvements
2015 Jan 7 4.2.8p1-beta5 4.2.8p1-beta5 2 bugs
2015 Jan 4 4.2.8p1-beta4 4.2.8p1-beta4 3 bugs
1 improvement
2015 Jan 2 4.2.8p1-beta3 4.2.8p1-beta3 8 bugs
2014 Dec 27 4.2.8p1-beta2 4.2.8p1-beta2 4 bugs
2014 Dec 23 4.2.8p1-beta1 4.2.8p1-beta1 1 MEDIUM 3 bugs
2014 Dec 19 4.2.8 4.2.8 4 HIGH
4MEDIUM
2 NONE		 500 bugs
466 improvements

4.2.6-series

4.2.6 is a legacy version released in December, 2009.
5 patch levels were released over the lifetime of the 4.2.6-series, ending in December 2011.

Release Date Release Announcement Changelog # of Security Fixes # of Bug Fixes/Improvements
2011 Dec 24 4.2.6p5 4.2.6p5 11 bugs
3 improvements
2011 Sep 22 4.2.6p4 4.2.6p4 20 bugs
9 improvements
2011 Jan 3 4.2.6p3 4.2.6p3 53 bugs
19 improvements
2010 Jul 9 4.2.6p2 4.2.6p2 23 bugs
8 improvements
2010 Apr 9 4.2.6p1 4.2.6p1 41 bugs
10 improvements
2009 Dec 9 4.2.6 4.2.6 1 HIGH 194 bugs
167 improvements

4.2.4-series

4.2.4 is a legacy version released in December, 2006.
8 patch levels were released over the lifetime of the 4.2.4-series, ending in December 2009.

Release Date Release Announcement Changelog # of Security Fixes # of Bug Fixes/Improvements
2009 Dec 8 4.2.4p8 4.2.4p8 1 HIGH
2009 May 18 4.2.4p7 4.2.4p7 2 MEDIUM
1 NONE		 22 bugs
6 improvements
2009 Jan 8 4.2.4p6 4.2.4p6 1 MEDIUM
 1 bug
1 improvement
2008 Aug 17 4.2.4p5 4.2.4p5 95 bugs
106 improvements
2007 Aug 28 4.2.4p4 4.2.4p4 8 bugs
2 improvements
2007 Jun 29 4.2.4p3 4.2.4p3 1 bug
2007 Jun 20 4.2.4p2 4.2.4p2 10 bugs
2 improvements
2007 Mar 7 4.2.4p0 4.2.4p0 8 bugs
2 improvements
2006 Dec 18 4.2.4 4.2.4 57 bugs
8 improvements

4.2.2-series

4.2.2 is a legacy version released in June, 2006.
4 patch levels were released over the lifetime of the 4.2.2-series, ending in October 2006.

Release Date Release Announcement Changelog # of Security Fixes # of Bug Fixes/Improvements
2006 Oct 15 4.2.2p4 4.2.2p4 2 bugs
2006 Aug 5 4.2.2p3 4.2.2p3 2 bugs
4 improvements
2006 Jul 9 4.2.2p2 4.2.2p2 1 improvement
2006 Jul 9 4.2.2p1 4.2.2p1 6 bugs
6 improvements
2006 Jun 8 4.2.2 4.2.2 2 bugs
7 improvements

Older Releases

These historical releases span 1998 to 2003.

Release Date Release Announcement Changelog # of Security Fixes # of Bug Fixes/Improvements
2003 Oct 15 4.2.0 4.2.0 22 bugs
101 improvements
2003 Jul 17 4.1.2 4.1.2 5 bugs
9 improvements
2002 Feb 26 4.1.1 4.1.1 20 improvements
2001 Aug 1 4.1.0 4.1.0 19 improvements
2000 Jan 12 4.0.99 4.0.99 19 improvements
1999 Sep 17 4.0.98 4.0.98 17 improvements
1999 Aug 19 4.0.97 4.0.97 11 improvements
1999 Aug 9 4.0.96 4.0.96 8 improvements
1999 Jul 28 4.0.95 4.0.95 5 improvements
1999 Jul 21 4.0.94 4.0.94 164 improvements
1999 May 16 4.0.93 4.0.93 142 improvements
1999 Feb 15 4.0.92 4.0.92 62 improvements
1999 Jan 10 4.0.91 4.0.91 56 improvements
1998 Nov 21 4.0.90 4.0.90 107 improvements
4.0.73 171 improvements
1998 Feb 18 4.0.72f 4.0.72f 37 improvements
1998 Nov 3-5.93e