Uploaded November 2025 | Updated September 2026, 4 hours ago
Explore Valdi, Snapchat’s newly open-sourced UI framework that has powered major parts of the Snapchat app for years. This session takes a direct, technical look at how Valdi works, what problems it aims to solve, and how its rendering model differs from React and other cross-platform approaches.
The stream walks through documentation, project bootstrapping, TypeScript/TSX integration, rendering behavior, and early developer experience, including what happens when modifying UI modules live, how Valdi approaches incremental work, and what its AOT-leaning architecture implies.
Full show notes available at clstk.com/4oJ6h2m
See you at other Callstack live streams and webinars ✨ clstk.com/4p3Y4p9
Follow Callstack on X 🐦 https://x.com/callstackio
Explore Valdi, Snapchat’s newly open-sourced UI framework that has powered major parts of the Snapchat app for years. This session takes a direct, technical look at how Valdi works, what problems it aims to solve, and how its rendering model differs from React and other cross-platform approaches.
The stream walks through documentation, project bootstrapping, TypeScript/TSX integration, rendering behavior, and early developer experience, including what happens when modifying UI modules live, how Valdi approaches incremental work, and what its AOT-leaning architecture implies.
Full show notes available at clstk.com/4oJ6h2m
See you at other Callstack live streams and webinars ✨ clstk.com/4p3Y4p9
Follow Callstack on X 🐦 https://x.com/callstackio










