Remote Ruby San Francisco Ruby Conference Recap
Nov 28, 2025
After an exciting return from the San Francisco Ruby Conference, Andrew shares insights on Ruby's evolution and the impact of AI on coding. The duo dives into engaging talks about performance improvements, scaling challenges, and innovative product ideas. Discussions touch on marketing for tech audiences and potential open-source business models. They also explore Rails' front-end gaps and the future of developer tools, mixing nostalgia with fresh perspectives. It's a lively recap packed with industry highlights and inspiration!
AI Snips
Chapters
Transcript
Episode notes
Ruby's JIT Evolution
- ZJIT and YJIT are evolving Ruby's performance story and will keep improving runtime speed without user effort.
- Expect ZJIT to land in Ruby 4 and possibly be enabled by default around 4.1 after a year of real-world testing.
Agents Need Custom Runtimes
- Agents will need their own runtimes to be most effective, says Jose Valim's talk on programming language evolution.
- Improving models, instructions, tools, and runtime matters, but custom runtimes unlock the best agentic behavior.
Waymos And Conference Hangouts
- Andrew attended Git Butler's afterparty, reconnected with friends, and experienced multiple Waymo rides across San Francisco.
- He found Waymos less scary than expected despite slow highway behavior and unusual road interactions.