PDF
Documentation for Ruby
Ruby 3.2 (End of Support 2026-04) Ruby 3.1 (End of Support 2025-04) Ruby 3.0 (End of Support 2024-04) Ruby 2.7 (End of Support 2023-04) Ruby 2.6 (End of Support 2022-04) Ruby 2.5 (End of Support 2021-04) Ruby 2.4 (End of Support 2020-04) Ruby 2.3 (End of Support 2019-04) Ruby 2.2 (End of Support 2018-04) Ruby 2.1 (End of Support 2017-04) Ruby 2 ...
docs.ruby-lang.org