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Reading up on YJIT

2 deep · digging since nov 19, 25

  • nithinbekal.com favicon
    What's new in Ruby 4.0

    Ruby 4.0 ships Christmas 2025 with a new ZJIT compiler, redesigned Ractor ports, experimental isolated namespaces via Ruby::Box, and faster object allocations.

  • news.ycombinator.com favicon
    Ruby 4.0.0 Preview2

    Ruby 4.0.0 preview2 introduces Unicode 17.0 support, an experimental ZJIT compiler, and language changes like `*nil` no longer calling `nil.to_a`.

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