SummarySteve Klabnik has spent the last 15 years shaping how developers write code—from teaching Ruby on Rails to stewarding Rust’s explosive growth. In this wide-ranging conversation, Steve joins Kostas and Nitay to unpack the forces behind Rust’s rise and the blueprint for developer-first tooling.From Rails to Rust: How a web-framework luminary fell for a brand-new systems language and helped turn it into today’s go-to for memory-safe, zero-cost abstractions.Community as UX: The inside story of Cargo, humane compiler errors, and why welcoming IRC channels can matter more than benchmarks.Standards vs. Shipping: What Rust borrowed from the web’s rapid-release model—and why six-week cadences beat three-year committee cycles.Three tribes, one language: How dynamic-language devs, functional programmers, and C/C++ veterans each found a home in Rust—and what they contributed in return.Looking ahead: Steve’s watch-list of next-gen languages (Hylo, Zig, Odin) and the lessons Rust’s journey holds for anyone building tools, communities, or startups today.Whether you’re chasing segfault-free code, dreaming up a new PL, or just curious how open-source movements gain momentum, this episode is packed with insight and practical takeaways.Chapters00:00 Introduction and Personal Connection00:59 Journey from Ruby on Rails to Rust02:21 Early Programming Experiences and Interests07:20 Community Dynamics in Programming Languages13:59 The Importance of Community in Open Source14:37 How Ruby on Rails and Rust Built Their Communities21:44 Standardization vs. Unified Development Models30:55 Community Debt in Programming Languages36:24 Release Cadence vs. Feature Development37:36 Rust's Unique Selling Proposition43:30 Attracting Diverse Programming Communities52:31 The Future of Systems Programming Languages

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