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World Congress 2025 • Aug 20, 2025 • Session details

Lynx: Native for More

Xuan Huang

TikTok's production-ready UI framework, Lynx, eliminates single-thread bottlenecks. Write standard JavaScript and CSS to render buttery-smooth, truly native mobile primitives without the sluggishness of web-view wrappers.

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#1 about 4 min

Introduction to the Lynx cross-platform UI framework

Addressing codebase fragmentation by deploying a single framework that renders natively across mobile and web environments.

#2 about 4 min

Leveraging existing web knowledge for developer experience

Reducing the learning curve by utilizing familiar React hooks and standard CSS variables to style native user interfaces.

#3 about 4 min

Balancing scale and velocity with platform adjacency theory

Overcoming the limitations of web wrappers by mapping directly to native operating system features for seamless user experiences.

#4 about 4 min

Accessing native primitives for advanced layouts and APIs

Eliminating heavy JavaScript layout calculations by mapping declarative elements directly to underlying platform rendering systems.

#5 about 4 min

Enhancing loading speeds with a dual-thread architecture

Solving sluggish initial load times by utilizing pre-compiled bytecode and delegating logic to background worker threads.

#6 about 3 min

Synchronizing interactivity with main thread scripting capabilities

Preventing visual lag during drag and scroll events by running localized JavaScript directly on the UI composite thread.

#7 about 4 min

Enforcing performant threading models at the framework level

Avoiding main thread blockages by offloading complex state management tasks to default background scripting environments.

#8 about 4 min

Integrating standard CSS tooling and external animation cores

Integrating existing design workflows by natively supporting standard utility classes, theme generators, and imperative web motion libraries.

#9 about 3 min

Democratizing cross-platform development with alternative JavaScript frameworks

Expanding accessibility beyond React by adapting the underlying engine to diverse language ecosystems like Vue and Svelte.

Matching moments

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Dan Cranney +2 · LIVE

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Marc Rousavy Marc Rousavy · World Congress 2025

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Betting on native web platform features over JavaScript

Chris Heilmann · LIVE

2:15 min

Transitioning native desktop graphics implementations to the web

Chris Heilmann +3 · LIVE

3:25 min

Shifting interactive components to native web platform features

Chris Ferdinandi · JS Congress

5:50 min

Building lightweight front-end alternatives to Tailwind CSS

Chris Heilmann +2 · LIVE

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