Ruby 4.0
standard supportEOL Not officially published
Ruby 4.0 is currently in standard support; an official end-of-life date has not been published yet. First release: 2025-12-25. Latest stable release: 4.0.6. Lifecycle periods below are derived from official vendor sources with provenance.
Latest stable 4.0.6 (2026-07-14)
Lifecycle & support periods
| Phase | From | Until | Provider | Source |
|---|---|---|---|---|
| standard support | 2025-12-25 | — | Ruby core team | Ruby branches.yml (ruby/www.ruby-lang.org) |
Provenance
Every lifecycle fact is traceable to its authoritative source.
- Ruby branches.yml (ruby/www.ruby-lang.org)first party · highhttps://raw.githubusercontent.com/ruby/www.ruby-lang.org/master/_data/branches.yml
Retrieved 2026-08-29 · Ruby 4.0 normal maintenance; security/EOL dates TBD on official Branches page
Recent releases
- 4.0.62026-07-14
- 4.0.52026-05-20
- 4.0.42026-05-11
- 4.0.32026-04-21
- 4.0.22026-03-16
- 4.0.12026-01-13
- 4.0.02025-12-25
- 4.0.0-preview3prerelease2025-12-18
- 4.0.0-preview2prerelease2025-11-17