Ractors, also introduced in ruby 3.0, are basically this. Ractors work by passing messages or immutable objects. https://github.com/ruby/ruby/blob/master/doc

Ractors, also introduced in ruby 3.0, are basically this. Ractors work by passing messages or immutable objects. https://github.com/ruby/ruby/blob/master/doc/ractor.md https://github.com/ruby/ruby/blob/master/doc/ractor.md