Ruby 4.0.0 Preview 2 Released with Unicode 17.0.0 Support and Language Updates
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pansa2
A baker's-dozen of insight crammed into one ring.
Summary
Ruby 4.0.0-preview2 has been released, featuring significant language updates including Unicode version 17.0.0 support and changes to nil behavior. The release includes core class updates such as modifications to Binding methods that no longer handle numbered parameters, and nil no longer calls nil.to_a similar to how **nil doesn't call nil.to_hash.
Key quotes
· 5 pulledWe are pleased to announce the release of Ruby 4.0.0-preview2.
Ruby 4.0 updates its Unicode version to 17,0.0, and so on.
nil no longer calls nil.to_a, similar to how **nil does not call nil.to_hash.
Binding#local_variables does no longer include numbered parameters.
Binding#local_variable_get and Binding#local_variable_set reject to handle numbered parameters.
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