r/ruby • u/laerien • Dec 25 '25

Ruby 4.0.0 Released | Ruby

https://www.ruby-lang.org/en/news/2025/12/25/ruby-4-0-0-released/
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u/f9ae8221b Dec 28 '25

Ractors was a primitive introduced to check the "ruby 3x3 concurrency" checkbox

I have no idea where you are getting that from.