ROS 2 crystal End of Life
Support dates and upgrade guidance — rebuilt from live data.
ROS 2 crystal reached end of life on 31 Dec 2019. It no longer receives security fixes.
Support timeline
Official dates from the ROS 2 release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 14 Dec 2018 | 7y 10mo ago |
| End Of Life ended | 31 Dec 2019 | 6y 9mo ago |
| Latest release | — | final |
Where to go from crystal
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 crystal still safe to use?
ROS 2 crystal reached end of life on 31 Dec 2019, 2,470 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download ROS 2 crystal?
Yes — the final release (crystal) 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 crystal to?
Upgrade to ROS 2 lyrical, the newest actively supported branch (supported until 31 May 2031).