# Ruby 3.3.11 — Ruby 3.3.11 Released - Product: Ruby (https://whatsnew.fyi/product/ruby) - Vendor: Ruby - Date: 2026-03-26 - Version: 3.3.11 - Original notes: https://www.ruby-lang.org/en/news/2026/03/26/ruby-3-3-11-released/ - Permalink: https://whatsnew.fyi/product/ruby/releases/3.3.11 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 3.3.11 has been released. This release includes an update to the zlib gem addressing CVE-2026-27820 , along with some bug fixes. Please see the GitHub releases for further details. This is the la… - **security** — Update zlib gem to address CVE-2026-27820 - **fixed** — Bug fixes included in this release