Ruby Weekly issue 790 covers ruby-prof 2.0 with Ruby 4.0 support and flame graph visualizations, a comparison of Ruby profiling tools (Stackprof, rbspy, Vernier), a study showing Ruby is Claude Code's most efficient language for code generation, ongoing controversy around Ruby Central and Bundler, and a new AI-powered CMS engine for Rails 8. Also includes releases: JRuby 10.0.4.0, RubyLLM 1.13.0, Mutant 0.15, wxRuby3 v1.7.0, and several other gem updates.
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