ROS 2 ardent End of Life
Support dates and upgrade guidance — rebuilt from live data.
ROS 2 ardent reached end of life on 31 Dec 2018. It no longer receives security fixes.
Support timeline
Official dates from the ROS 2 release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 8 Dec 2017 | 8y 10mo ago |
| End Of Life ended | 31 Dec 2018 | 7y 9mo ago |
| Latest release | — | final |
Where to go from ardent
Recommended target: ROS 2 lyrical (supported until 31 May 2031).
The newest actively supported branch is ROS 2 lyrical (latest release ).
Frequently asked questions
Is ROS 2 ardent still safe to use?
ROS 2 ardent reached end of life on 31 Dec 2018, 2,835 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download ROS 2 ardent?
Yes — the final release (ardent) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade ROS 2 ardent to?
Upgrade to ROS 2 lyrical, the newest actively supported branch (supported until 31 May 2031).