Ruby Weekly issue 788 covers highlights from the Ruby core dev meeting including Matz approving trailing commas in method signatures, acceptance of autoload_relative, and the upcoming Dir.scan. Other featured content includes a guide to writing custom RuboCop rules in 2026, the Scarpe project reviving _why's Shoes GUI framework, Rails multi-tenancy with the Active Record Tenanted gem, Hotwire Native for mobile apps, and AI agent orchestration on Rails. Ecosystem links include the Oat lightweight CSS/JS UI library, Electrobun v1 for cross-platform desktop apps, a Postgres sample database in Docker, and Google's Gemini 3.1 Pro release.
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