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Format: <major>.<minor>.<revision>

  • Either the <major> or the <minor> version will be incremented for each release. The Technical Steering Team will decide whether to increment the major or minor number for the release. This decision will depend on a number of different factors such as incompatibility with existing APIs etc.
  • <revision> is incremented for a fix (or set of fixes) on a maintenance branch that justifies a new maintenance "release". Note: the revision number is optional when it is zero.

Here is how this versioning worked for the first open source release:
  • 1.0.0rc1 - release candidate for 1.0.0. rc1 is a temporary tag that gets cleaned up after 1.0.0 is tagged final.
  • 1.0.0 - Open source ONOS release on Dec 5th, 2014
  • 1.0.1 - First maintenance release for 1.0.0

Release Maintenance

The past two releases will be supported.  The only changes allowed on these releases will be security patches and critical defects that are blocking deployments.  Security patches will be proactively applied to the supported releases, whereas critical defects will be addressed by community request.  The defects should have JIRA tickets associated with them.  Releases will be done periodically, as needed.  A release can be requested by the community by sending a request to the TST mailing list.

Defects fixes in previous versions should be ported forward to all versions released since then, including master. For example, a fix in version 1.8 should be ported to 1.9, etc... and master.  The module owner should assess the changes and drive the cherry-pick process.


Release Naming

During the development cycle and for easy identification post-release, each release is also identified by a "code" name in addition to the version. Releases are named after birds because they are beautiful, found worldwide, are colorful and graceful, make beautiful music...and because they signify something taking flight into the wild blue yonder, something we advocate for SDN and NFV. Finally, and perhaps most importantly, birds work together in flight to reduce the load on each other so that they can fly long distances (for example, the V formation)...and, we hope that everyone in the ONOS community will adopt the same philosophy of helping each other to make ONOS great. We name them in alphabetical order.

Release Names and Versions

 The following table has been discontinued. Go to 


for the most up to date release information.

NameVERSIONDatesNotesAbout the namePresentationRelated Press

May 31, 2017

FF: May 12, 2017


Feb. 28, 2017

FF: Feb. 10, 2017

Release ContentAbout the bird  
Ibis1.8.0Dec. 2, 2016Release ContentAbout the bird  
Hummingbird1.7.0Aug. 31, 2016Feature SummaryAbout the birdpptxPress
Goldeneye1.6.0Jun. 10, 2016Release NotesAbout the birdpptxPress
Falcon1.5.0Mar. 10, 2016Release NotesAbout the birdpptxPress
Emu1.4.0Dec. 16, 2015

Release Notes

About the birdpptxPress
Drake1.3.0Sept. 18, 2015

Release Notes

About the birdpptxPress
Cardinal1.2.2Sept. 1, 2015

Release Notes

About the bird

(Stanford "Cardinal" refers to the color, NOT the bird)

1.2.1June 25, 2015

Release Notes

1.2.0June 5, 2015

Release Notes


Blackbird1.1.0Mar. 17, 2015

Release Notes

About the bird

The legendary Blackbird Jet

In honor of Beatles


1.0.1Jan 21st, 2015

Release Notes

About the bird

1.0.0Dec 5th, 2014

Release Notes


To generate release detailed notes, use


You can find details on versioning and naming of releases here.