Latest updates for Ryujit

Fresh curated links around RyuJIT are collected here so marketers can spot useful updates and turn timely ideas into posts faster.

Recent items include:

  • Ruby 4.0: ZJIT, Ruby Box, and Ractors
  • ZJIT can now inline GC allocations
  • ZJIT рџ¤ќ GC: Inlining GC Fastpath in ZJIT

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Fresh articles and ideas

Recent curated links from global sources. Generate one free draft from any story, then use SocialBu to schedule and refine your content calendar.

fastruby.io /1 week ago

Ruby 4.0: ZJIT, Ruby Box, and Ractors

Originally appeared on The Rails Tech Debt Blog.Ruby 4.0 was released on December 25, 2025, and three features get cited most often when people talk about it: ZJIT, Ruby Box, and a...

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rubyweekly.com /6 days ago

ZJIT can now inline GC allocations

Originally appeared on Ruby Weekly. #​815 — September 3, 2026 Read on the Web Ruby Weekly ZJIT 🤝 GC: Inli...

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blog.peterzhu.ca /1 week ago

ZJIT рџ¤ќ GC: Inlining GC Fastpath in ZJIT

Originally appeared on Peter Zhu.Object allocations from the garbage collector are now inlined in ZJIT.

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railsatscale.com /1 week ago

ZJIT рџ¤ќ GC: Inlining GC Fastpath in ZJIT

Originally appeared on Rails at Scale. It’s been 8 years since the first just-in-time compiler was introduced in Ruby. However, throughout this time, the garbage collector has bee...

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railsatscale.com /1 month ago

The inliner is yielding benefits for ZJIT

Originally appeared on Rails at Scale. We recently enabled a really cool feature in ZJIT that makes it feel like a Real Compiler™: the inliner! We’ll write more about it soon. In...

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infoq.com /1 month ago

Presentation: Automatically Retrofitting JIT Compilers

Laurence Tratt discusses yk, an open-source meta-tracing JIT compiler framework. He shares how to automatically speed up C-based language interpreters like Lua and MicroPython with...

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