{"id":"ruby-news-7d4dc0afa8b3","seq":277,"kind":"release","title":"Ruby 4.1.0-preview1 Released","url":"https://www.ruby-lang.org/en/news/2026/10/12/ruby-4-1-0-preview1-released/","permalink":"https://vulnpulse.app/items/ruby-news-7d4dc0afa8b3","summary":"We are pleased to announce the release of Ruby 4.1.0-preview1. Ruby 4.1 introduces Ractor local GC, Windows support of YJIT, autoload_relative, and adds many improvements. Ractor improvements A lot of work has gone into making Ractors more stable, performant, and usable. These improvements bring Ractor implementation closer to leaving experimental status. The default GC now runs per Ractor : each Ractor collects its own heap on its own thread without stopping the others, and a stop-the-world collection only runs when it is really needed (explicit full GC.start , shareable-object growth, recla…","severity":null,"techs":["ruby"],"cves":[],"tags":[],"source":{"id":"ruby-news","name":"Ruby News"},"published_at":"2026-10-12T00:00:00.000Z","fetched_at":"2026-10-21T16:17:45.609Z"}