What is a Distribution?

A ROS distribution is a versioned set of ROS packages. These are akin to Linux distributions (e.g. Ubuntu). The purpose of the ROS distributions is to let developers work against a relatively stable codebase until they are ready to roll everything forward. Therefore once a distribution is released, we try to limit changes to bug fixes and non-breaking improvements for the core packages (every thing under ros-desktop-full). That generally applies to the whole community, but for “higher” level packages, the rules are less strict, and so it falls to the maintainers of a given package to avoid breaking changes.

List of Distributions

Below is a list of current and historic ROS 2 distributions. Rows in the table marked in green are the currently supported distributions.


Release date


EOL date

Jazzy Jalisco

May 23rd, 2024

Jazzy logo

May 2029

Iron Irwini

May 23rd, 2023

Iron logo

November 2024

Humble Hawksbill

May 23rd, 2022

Humble logo

May 2027

Galactic Geochelone

May 23rd, 2021

Galactic logo

December 9th, 2022

Foxy Fitzroy

June 5th, 2020

Foxy logo

June 20th, 2023

Eloquent Elusor

November 22nd, 2019

Eloquent logo

November 2020

Dashing Diademata

May 31st, 2019

Dashing logo

May 2021

Crystal Clemmys

December 14th, 2018

Crystal logo

December 2019

Bouncy Bolson

July 2nd, 2018

Bouncy logo

July 2019

Ardent Apalone

December 8th, 2017

Ardent logo

December 2018


September 13th, 2017

December 2017


July 5th, 2017

September 2017


December 19th, 2016

Jul 2017

alpha1 - alpha8

August 31th, 2015

December 2016

Future Distributions

For details on upcoming features see the roadmap.

There is a new ROS 2 distribution released yearly on May 23rd (World Turtle Day).


Release date


EOL date

Kilted Kaiju

May 2025


Nov 2026

Rolling Distribution

ROS 2 Rolling Ridley is the rolling development distribution of ROS 2. It is described in REP 2002 and was first introduced in June 2020.

The Rolling distribution of ROS 2 serves two purposes:

  1. it is a staging area for future stable distributions of ROS 2, and

  2. it is a collection of the most recent development releases.

As the name implies, Rolling is continuously updated and can have in-place updates that include breaking changes. We recommend that most people use the most recent stable distribution instead (see List of Distributions).

Packages released into the Rolling distribution will be automatically released into future stable distributions of ROS 2. Releasing a ROS 2 package into the Rolling distribution follows the same procedures as all other ROS 2 distributions.