Ruby 4.0.0 Released with New Ruby Box and ZJIT Features
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Summary
Ruby 4.0.0 has been released, introducing two major new features: Ruby Box and ZJIT. Ruby Box is an experimental feature that provides isolation and separation of definitions, allowing code loaded in a box to be isolated from other boxes, including monkey patches, global/class variable changes, and library definitions. ZJIT is another new feature, though details are not provided in this excerpt. The release includes many improvements and is announced by the Ruby development team.
Key quotes
· 5 pulledWe are pleased to announce the release of Ruby 4.0.0.
Ruby 4.0 introduces 'Ruby Box' and 'ZJIT', and adds many improvements.
Ruby Box is a new (experimental) feature to provide separation about definitions.
Definitions loaded in a box are isolated in the box.
Ruby Box can isolate/separate monkey patches, changes of global/class variables, class/module definitions, and loaded native/ruby libraries from other boxes.
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