Day 1 Keynote
summary
Roadmap for Ruby 3 targets 3x faster vs Ruby 2.0 by combining GC and VM optimizations, selective JIT experiments and small realistic benchmarks; concurrency moves from a global GIL to isolated Guilds that run in parallel, communicate via channels and still keep per-guild safety; typing works by duck inference (structural inference, adding ad‑hoc facts and harvesting types from tests/gems into a type database) and remains experimental on GitHub; no release date, expect years and incremental 5–10% yearly gains.
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chapters (6)
- 0:00Introduction to Ruby 3
- 2:51Performance goals
- 6:06Concurrency and Guilds
- 13:57Typing philosophy
- 23:37Type inference and tools
- 30:28Future roadmap and conclusion
