#766 — September 11, 2025 Read on the Web I've put together a timestamped summary of the main points from DHH's Rails World keynote at the end of this issue as I know not everyone has an hour free to watch it :-) __ Your editor, Peter Cooper Ruby Weekly How Ruby Executes JIT Code: The Hidden Mechanics Behind the Magic — Stan Lo works in the depths of Ruby’s tooling (most notably on IRB and ruby/debug) but still felt detached from how Ruby’s JIT compilers (like YJIT and ZJIT) actua...
