On the Edge of Ruby

Contributions to ruby/spec

Matching Regexps 200 Times Faster

Benchmarking Ruby Parsers

Benchmarking CRuby, MJIT, YJIT, JRuby and TruffleRuby

Review: Ruby Installers and Ruby Switchers

Correct Delegation with Ruby 2.6, 2.7 and 3.0

The Ruby Spec Suite Compatibility Report

A Migration Path to Bundler 2+

The Delegation Challenge of Ruby 2.7

A New Expectation Syntax for ruby/spec