Ruby 4.0
Current patch release: 4.0.1
Active
End of life in 1,125 days (March 31, 2029). Plan your upgrade now.
Released
December 25, 2025
Active Support
Ongoing
End of Life
March 31, 2029
Latest Patch
4.0.1 (January 12, 2026)
About Ruby 4.0
Ruby 4.0 is currently under active support, released on December 25, 2025. It receives regular bug fixes, security patches, and may still get minor feature additions. The latest patch release is 4.0.1 (January 12, 2026).
Lifecycle Progress
Released: Dec 2025
EOL: Mar 2029
6% through its lifecycle. 1,125 days remaining.
All Ruby Versions
| Version | Released | EOL | Latest | Status |
|---|---|---|---|---|
| 4.0 (current page) | December 25, 2025 | March 31, 2029 | 4.0.1 | Active |
| 3.4 | December 24, 2024 | March 31, 2028 | 3.4.8 | Active |
| 3.3 | December 25, 2023 | March 31, 2027 | 3.3.10 | Active |
| 3.2 | December 25, 2022 | March 31, 2026 | 3.2.10 | Active |
| 3.1 | December 25, 2021 | March 31, 2025 | 3.1.7 | End of Life |
| 3.0 | December 25, 2020 | April 23, 2024 | 3.0.7 | End of Life |
| 2.7 | December 25, 2019 | March 31, 2023 | 2.7.8 | End of Life |
| 2.6 | December 25, 2018 | March 31, 2022 | 2.6.10 | End of Life |
| 2.5 | December 25, 2017 | March 31, 2021 | 2.5.9 | End of Life |
| 2.4 | December 23, 2016 | March 31, 2020 | 2.4.10 | End of Life |
| 2.3 | December 24, 2015 | March 31, 2019 | 2.3.8 | End of Life |
| 2.2 | December 25, 2014 | March 31, 2018 | 2.2.10 | End of Life |
| 2.1 | December 25, 2013 | March 31, 2017 | 2.1.10 | End of Life |
| 2.0.0 | February 24, 2013 | February 24, 2016 | 2.0.0p648 | End of Life |
| 1.9.3 | October 30, 2011 | February 23, 2015 | 1.9.3p551 | End of Life |
Frequently Asked Questions
When was Ruby 4.0 released?
Ruby 4.0 was released on December 25, 2025.
When does Ruby 4.0 reach end of life?
Ruby 4.0 is scheduled to reach end of life on March 31, 2029.
What is the latest patch version of Ruby 4.0?
The latest patch release is 4.0.1, released on January 12, 2026.
Related Resources
Get release updates for Ruby
Breaking changes, security patches, EOL warnings. Monthly digest, no spam.
Free forever. Unsubscribe anytime. We track 50+ technologies.