K2 Product Releases and Build Numbers
This article lists K2 product releases, the release dates and build numbers per release, as well as links to the release notes for each release.
For each K2 release, there is an associated build number. These numbers can be seen in the installer, in the download from Nintex Customer Central, as well as in the Add/Remove programs item.
Note: In a distributed environment, all K2 components installed on the various machines in the environment must be on the same release version. For more information, please see KB000426. For instructions on determining what version of K2 is installed, please see KB001893.
K2 Cloud | |||
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Release | Build Number | Release Notes | Release Date |
K2 Cloud (Update 18) | 5.1018.1000.x | What's New in K2 Cloud Update 18 | October 2022 |

K2 Cloud | |||
---|---|---|---|
Release | Build Number | Release Notes | Release Date |
K2 Cloud (Update 17) | 5.1017.1000.x | What's New in K2 Cloud Update 17 | May 2022 |
K2 Cloud (Update 16) | 5.1016.1000.x | What's New in K2 Cloud Update 16 | October 2021 |
K2 Cloud (Update 15) | 5.1015.1000.x | What's New in K2 Cloud Update 15 | January 2021 |
K2 Cloud (Update 14) | 5.1014.1000.x | What's New in K2 Cloud Update 14 | October 2020 |
(Not publicly released) | 5.1013.1000.x | (Not publicly released) | NA |
K2 Cloud (Update 12) | 5.1012.1000.x | What's New in K2 Cloud Update 12 | June 2020 |
K2 Cloud (Update 11) | 5.1011.1000.x | What's New in K2 Cloud Update 11 | February 2020 |
K2 Cloud (Update 10) | 5.1010.1000.x | What's New in K2 Cloud Update 10 | October 2019 |
K2 Cloud (Update 9) | 5.1009.1000.x | What's New in K2 Cloud Update 9 | August 2019 |
K2 Cloud (Update 8) | 5.1008.1000.x | What's New in K2 Cloud Update 8 | April 2019 |
K2 Cloud (Update 7) | 5.1007.1000.x | What's New in K2 Cloud Update 7 | January 2019 |
K2 Cloud (Update 6) | 5.1006.1000.x | What's New in K2 Cloud Update 6 | October 2018 |
K2 Cloud (Update 5) | 5.1005.1000.x | What's New in K2 Cloud Update 5 | July 2018 |
K2 Cloud (Update 4) | 5.1004.1000.x | What's New in K2 Cloud Update 4 | April 2018 |
K2 Cloud (Update 3) | 5.1003.1000.x | What's New in K2 Cloud Update 3 | February 2018 |
K2 Cloud (Update 2) | 5.1002.1000.x | What's New in K2 Cloud Update 2 | January 2018 |
K2 Cloud (Update 1) | 5.1001.1000.x | What's New in K2 Cloud Update 1 | November 2017 |
K2 Cloud | 5.1000.1000.x | What's New in K2 Cloud | October 2017 |
K2 Five | |||
---|---|---|---|
Release | Build Number | Release Notes | Release Date |
K2 Five (5.6) | 5.0007.1000.x | K2 5.6 Release notes | August 2022 |
K2 Five (5.5) | 5.0006.1000.x | K2 5.5 Release notes | July 2021 |
K2 Five (5.4) | 5.0005.1000.x | KB003510 | June 2020 |
K2 Five (5.3) | 5.0004.1000.x | KB002966 | May 2019 |
K2 Five (5.2) | 5.0003.1000.x | KB002606 | October 2018 |
K2 Five (5.1) | 5.0002.1000.x | KB002301 | April 2018 |
K2 Five (5.0) | 5.0001.1000.x | KB002044 | November 2017 |
K2 blackpearl and K2 smartforms | |||
---|---|---|---|
Release | Build Number | Release Notes | Release Date |
4.7 | 4.16060.2000.x | K2 4.7 Release Notes | September 2016 |

K2 blackpearl | K2 smartforms | ||||||
---|---|---|---|---|---|---|---|
Release | Build Number | Release Notes | Release Date | Release | Build Number | Release Notes | Release Date |
4.6.11 | 4.12060.1731.x | KB001735 | September 2015 | ||||
4.6.10 | 4.12060.1690.0 | KB001700 | June 2015 | ||||
4.6.9 | 4.12060.1640.x | KB001640 | February 2015 | 4.6.9 | 4.12165.1650.x | KB001650 | February 2015 |
4.6.8 | 4.12060.1600.0 | KB001600 | August 2014 | 1.0.7 | 4.12165.1635.0 | KB001635 | August 2014 |
4.6.7 | 4.12060.1590.0 | KB001590 | March 2014 | 1.0.6 | 4.12165.1625.0 | KB001625 | March 2014 |
4.6.6 | 4.12060.1560.0 | KB001560 | July 2013 | 1.0.5 | 4.12165.1605.0 | KB001605 | December 2013 |
4.6.5 | 4.12060.1550.0 | KB001550 | April 2013 | 1.0.4 | 4.12165.1595.0 | KB001595 | September 2013 |
4.6.4 | 4.12060.1540.0 | KB001540 | December 2012 | 1.0.3 | 4.12165.1585.0 | KB001585 | July 2013 |
4.6.3 | 4.12060.1530.0 | KB001530 | October 2012 | 1.0.2 | 4.12165.1575.x | KB001575 | May 2013 |
4.6.2 | 4.12060.1520.0 | KB001520 | August 2012 | 1.0.1 | 4.12165.1565.0 | KB001565 | October 2012 |
4.6.1 | 4.12060.1500.0 | KB001500 | June 2012 | 1.0 | 4.12165.1.0 | KB001555 | July 2012 |
4.6 | 4.12060.1.0 | KB001450 | April 2012 | ||||
4.5 | 4.10060.1420.0 | KB001420 | December 2011 | ||||
4.5 | 4.10060.1390.0 | KB001390 | November 2011 | ||||
4.5 | 4.10060.1370.0 | KB001370 | July 2011 | ||||
4.5 | 4.10060.1350.0 | KB001350 | June 2011 | ||||
4.5 | 4.10060.1320.0 | KB001320 | April 2011 | ||||
4.5 | 4.10060.1290.0 | KB001290 | March 2011 | ||||
4.5 | 4.10060.1230.0 | KB001230 | November 2010 | ||||
4.5 | 4.10060.1200.0 | KB001200 | October 2010 | ||||
4.5 | 4.10060.1170.0 | KB001170 | September 2010 | ||||
4.5 | 4.10060.1140.0 | KB001140 | July 2010 | ||||
4.5 | 4.10060.1110.0 | KB001110 | July 2010 | ||||
4.5 | 4.10060.1090.0 | KB001090 | May 2010 | ||||
4.5 | 4.10060.1070.0 | KB001070 | May 2010 | ||||
4.5 | 4.10060.1040.0 | KB001040 | April 2010 | ||||
4.5 | 4.10060.1.0 | April 2010 | |||||
0807 | 4.8210.x.x | October 2008 - June 2010 | |||||
0807 | 4.8210.2.0 | October 2008 | |||||
0803 | 4.8075.1.1 | April - July 2008 | |||||
0803 | 4.8075.1.0 | April 2008 | |||||
SP1 | 4.7285.1.0 | December 2007 | |||||
RTM | 4.7214.1.0 | August 2007 | |||||
K2 connect | |||
---|---|---|---|
Release | Build Number | Release Notes | Release Date |
5.3 for SAP | 5.0006.1000.x | K2 connect for SAP release notes | May 2022 |
5.2 for SAP | 5.0005.1000.x | KB003509 | September 2020 |
5.1 for SAP | 5.002.1000.x | KB002597 | September 2018 |
5.0 for SAP | 5.001.1000.x | KB002086 | November 2017 |
4.7.3 for SAP | 4.10060.910.x | KB002590 | September 2018 |
4.7.2 for SAP | 4.10060.900.x | KB002085 | November 2017 |
4.7.1 for SAP | 4.10060.890.x | KB000890 | January 2017 |
4.7 for SAP | 4.10060.880.0 | KB000880 | September 2016 |

K2 connect | |||
---|---|---|---|
Release | Build Number | Release Notes | Release Date |
4.6.11 for SAP | 4.10060.860.0 | KB000860 | September 2015 |
4.6.10 for SAP | 4.10060.850.0 | KB000850 | July 2015 |
4.6.9 for SAP | 4.10060.800.0 | KB000800 | February 2015 |
4.6.5 for SAP | 4.10060.750.0 | KB000750 | June 2013 |
4.5.5 for SAP | 4.10060.710.0 | KB000710 | September 2012 |
4.5 for SAP | 4.10060.1.705 | KB000705 | November 2011 |
4.5 for SAP | 4.10060.1.700 | KB000700 | June 2011 |
4.5 for SAP | 4.10060.1.691 | KB000691 | December 2010 |
4.5 for SAP | 4.10060.1.674 | KB000674 | September 2010 |
0807 for SAP | 4.8276.3.653 | KB000653 | April 2010 |
K2 connect for SAP | 4.8276.1.0 | January 2009 | |
0807 for SAP | 4.8276.3.0 | October 2008 | |