# Ruby 4.0.6 — Ruby 4.0.6 Released - Product: Ruby (https://whatsnew.fyi/product/ruby) - Vendor: Ruby - Date: 2026-07-14 - Version: 4.0.6 - Original notes: https://www.ruby-lang.org/en/news/2026/07/14/ruby-4-0-6-released/ - Permalink: https://whatsnew.fyi/product/ruby/releases/4.0.6 What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- Ruby 4.0.6 has been released. This is a routine update that includes bugfixes. Please see the GitHub releases for further details. Release Schedule We intend to release the latest stable Ruby version…