O
Openbsd
Operating Systems
| Cycle | Latest | Released | LTS | Security Support |
|---|---|---|---|---|
| 7.8 | - | Oct 22, 2025 | - | Nov 1, 2026 |
| 7.7 | - | Apr 28, 2025 | - | May 1, 2026 |
| 7.6 | - | Oct 8, 2024 | - | Oct 22, 2025 |
| 7.5 | - | Apr 5, 2024 | - | Apr 28, 2025 |
| 7.4 | - | Oct 16, 2023 | - | Oct 8, 2024 |
| 7.3 | - | Apr 10, 2023 | - | Apr 5, 2024 |
| 7.2 | - | Oct 20, 2022 | - | Oct 16, 2023 |
| 7.1 | - | Apr 21, 2022 | - | Apr 10, 2023 |
| 7.0 | - | Oct 14, 2021 | - | Oct 20, 2022 |
| 6.9 | - | May 1, 2021 | - | Apr 21, 2022 |
| 6.8 | - | Oct 18, 2020 | - | Oct 14, 2021 |
| 6.7 | - | May 19, 2020 | - | May 1, 2021 |
| 6.6 | - | Oct 17, 2019 | - | Oct 18, 2020 |
| 6.5 | - | Apr 24, 2019 | - | May 19, 2020 |
| 6.4 | - | Oct 18, 2018 | - | Oct 17, 2019 |
| 6.3 | - | Apr 2, 2018 | - | May 3, 2019 |
| 6.2 | - | Oct 9, 2017 | - | Oct 18, 2018 |
| 6.1 | - | Apr 11, 2017 | - | Apr 15, 2018 |
| 6.0 | - | Sep 1, 2016 | - | Oct 9, 2017 |
| 5.9 | - | Mar 29, 2016 | - | Apr 11, 2017 |
| 5.8 | - | Oct 18, 2015 | - | Sep 1, 2016 |
| 5.7 | - | May 1, 2015 | - | Mar 29, 2016 |
| 5.6 | - | Nov 1, 2014 | - | Oct 18, 2015 |
| 5.5 | - | May 1, 2014 | - | May 1, 2015 |
| 5.4 | - | Nov 1, 2013 | - | Nov 1, 2014 |
| 5.3 | - | May 1, 2013 | - | May 1, 2014 |
| 5.2 | - | Nov 1, 2012 | - | Nov 1, 2013 |
| 5.1 | - | May 1, 2012 | - | May 1, 2013 |
| 5.0 | - | Nov 1, 2011 | - | Nov 1, 2012 |
| 4.9 | - | May 1, 2011 | - | May 1, 2012 |
| 4.8 | - | Nov 1, 2010 | - | Nov 1, 2011 |
| 4.7 | - | May 19, 2010 | - | May 1, 2011 |
| 4.6 | - | Oct 18, 2009 | - | Nov 1, 2010 |
| 4.5 | - | May 1, 2009 | - | May 19, 2010 |
| 4.4 | - | Nov 1, 2008 | - | Oct 18, 2009 |
| 4.3 | - | May 1, 2008 | - | May 1, 2009 |
| 4.2 | - | Nov 1, 2007 | - | Nov 1, 2008 |
| 4.1 | - | May 1, 2007 | - | May 1, 2008 |
| 4.0 | - | Nov 1, 2006 | - | Nov 1, 2007 |
| 3.9 | - | May 1, 2006 | - | May 1, 2007 |
| 3.8 | - | Nov 1, 2005 | - | Nov 1, 2006 |
| 3.7 | - | May 19, 2005 | - | May 1, 2006 |
| 3.6 | - | Nov 1, 2004 | - | Nov 1, 2005 |
| 3.5 | - | May 1, 2004 | - | May 19, 2005 |
| 3.4 | - | Nov 1, 2003 | - | Nov 1, 2004 |
| 3.3 | - | May 1, 2003 | - | May 1, 2004 |
| 3.2 | - | Nov 1, 2002 | - | Nov 1, 2003 |
| 3.1 | - | May 19, 2002 | - | May 1, 2003 |
| 3.0 | - | Dec 1, 2001 | - | Nov 1, 2002 |
| 2.9 | - | Jun 1, 2001 | - | May 19, 2002 |
| 2.8 | - | Dec 1, 2000 | - | Dec 1, 2001 |
| 2.7 | - | Jun 15, 2000 | - | Jun 1, 2001 |
| 2.6 | - | Dec 1, 1999 | - | Dec 1, 2000 |
| 2.5 | - | May 19, 1999 | - | Jun 15, 2000 |
| 2.4 | - | Dec 1, 1998 | - | Dec 1, 1999 |
| 2.3 | - | May 19, 1998 | - | May 19, 1999 |
| 2.2 | - | Dec 1, 1997 | - | Dec 1, 1998 |
| 2.1 | - | Jun 1, 1997 | - | May 19, 1998 |