CodeSpeak is a new programming/specification language from the creator of Kotlin designed as a formal way to communicate with LLMs, letting developers write specs that LLMs generate into working code. It claims to shrink codebases 5–10x for production-grade systems, supports mixed manual/generated projects, and presents case studies showing large LOC reductions while preserving tests.

The author rebuilt a side-project (setlist.rocks) and re-discovered Rails 8, praising its modernized, “no-build” front-end approach (Hotwire/Turbo/Stimulus) and familiar server-rendered workflow that made development fun again. Despite Rails and Ruby's declining popularity, the post argues Rails remains productive and enjoyable for small, back-end-focused web apps and rapid prototyping.