

10 years of SolidJS with Ryan Carniato
10 snips Jun 12, 2025
Ryan Carniato, the creator of SolidJS, shares a decade’s worth of insights on UI architecture and open-source maintenance. He discusses the evolution of frontend frameworks, contrasting SolidJS with React and exploring the shift toward fine-grained reactivity. Ryan debunks myths about performance in front-end frameworks, highlighting the importance of simplicity in dependencies. He also addresses the challenges faced in maintaining open-source projects and envisions the future of developer tools, emphasizing the need for better debugging and dependency management.
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Ryan's Framework Origin Story
- Ryan Carniato experimented with web frameworks before React and disliked the heavy reliance on virtual DOM diffing.
- He created SolidJS based on fine-grained reactivity to improve performance and developer ergonomics.
Framework Maturation Slowed Innovation
- The web development ecosystem matured, slowing framework churn as stability became valued.
- React's baseline success reduced explorers; new frameworks focused on developer experience instead of radical changes.
React's Philosophical Impact
- React introduced best practices and philosophy, rather than strict APIs or modules.
- This approach gave freedom within limits, guiding developer mindset while allowing evolving techniques.