Rails World ‘26: The As-If Rule, Ractors & AI

· fastruby.io · Oct. 6, 2026, 3:32 p.m.
ruby ruby rubygems Security Incident Rails World
Summary
In his talk at Rails World ‘26, Aaron Patterson discusses the 'as-if rule' and its impact on Ractor safety in Ruby 4.1, while also recounting a significant security incident involving RubyGems.org.
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