Ruby 3.3
Current patch release: 3.3.10
End of life in 394 days (March 31, 2027). Plan your upgrade now.
December 25, 2023
Ongoing
March 31, 2027
3.3.10 (October 23, 2025)
About Ruby 3.3
Ruby 3.3 featured a new pure-Ruby parser (Prism, as a library), YJIT performance improvements, and the introduction of the M:N thread scheduler.
Key Changes in Ruby 3.3
- ●Prism parser available as a library for tooling (IDE support, linting)
- ●YJIT improvements: faster compilation, reduced memory usage
- ●M:N thread scheduler for better concurrency with Ractors
- ●Range#overlap? method for checking range intersections
- ●Improved error messages with syntax suggestions
Ruby 3.3 is currently under active support, released on December 25, 2023. It receives regular bug fixes, security patches, and may still get minor feature additions. The latest patch release is 3.3.10 (October 23, 2025).
Lifecycle Progress
67% through its lifecycle. 394 days remaining.
All Ruby Versions
| Version | Released | EOL | Latest | Status |
|---|---|---|---|---|
| 4.0 | December 25, 2025 | March 31, 2029 | 4.0.1 | Active |
| 3.4 | December 24, 2024 | March 31, 2028 | 3.4.8 | Active |
| 3.3 (current page) | 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
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