How to migrate from Fluent UI v8 to v9?

Use the migration overview and tools provided in the documentation, starting with component mapping and gradual replacement. Check the Fluent UI React v9 release page for step-by-step guidance and compatibility tips.

Fluent UI vs Material-UI: which is better for React?

Fluent UI is best for Microsoft ecosystem integration and enterprise applications with Fluent Design, while Material-UI offers a more generic Material Design approach. Choose based on design alignment and project needs like accessibility or theming flexibility.

Is Fluent UI accessible without extra configuration?

Yes, components are designed to be accessible by default following WCAG guidelines, reducing the need for manual adjustments. This is a key strength emphasized in the project's philosophy and features.

Can I use Fluent UI with Angular or Vue?

You can use the framework-agnostic Web Components, but native support for Angular or Vue is limited, and the experience may not be as seamless as with React. For best results, stick to React or vanilla web components.

What's the main difference between v8 and v9 React components?

v9 has modern APIs, better performance, and is future-proof, while v8 is stable and mature but may lack newer features. v9 is encouraged for new projects, but v8 remains supported for migration.

How to customize themes in Fluent UI?

Utilize the theming system with design tokens and Griffel for CSS-in-JS styling. Refer to the theming documentation for examples on overriding styles and creating custom themes efficiently.

Open-Awesome

Fluent UI Web Components

NOASSERTIONTypeScript@fluentui/react-virtualizer_v9.0.0-alpha.113

A collection of utilities, React components, and web components for building web applications with Microsoft's Fluent Design System.

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20.0k stars2.9k forks0 contributors

What is Fluent UI Web Components?

Fluent UI is an open-source design system and component library developed by Microsoft for building web applications. It provides a collection of utilities, React components, and web components that implement Microsoft's Fluent Design language. The project solves the problem of creating consistent, accessible, and modern user interfaces across web applications, particularly those integrated with Microsoft's ecosystem.

Target Audience

Frontend developers and teams building web applications that require consistency with Microsoft's design language, especially those developing for Microsoft 365, Office, or Edge. It's also suitable for any developer seeking a robust, accessible component library with strong enterprise backing.

Value Proposition

Developers choose Fluent UI for its comprehensive component set, strong accessibility features, and seamless integration with Microsoft's ecosystem. Its unique selling point is being the official design system for Microsoft products, offering production-ready components with enterprise-grade support and a clear migration path between versions.

Overview

Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

Use Cases

Best For

Building enterprise web applications that integrate with Microsoft 365
Creating accessible user interfaces that follow WCAG guidelines
Developing consistent UIs across multiple Microsoft products
Teams migrating from Office UI Fabric React to modern Fluent UI
Projects requiring both React and framework-agnostic web components
Applications needing a design system with strong theming capabilities

Not Ideal For

Projects exclusively using non-React frameworks like Vue or Angular, where native component bindings are not provided
Applications with strict bundle size constraints, as the comprehensive component set can increase load times
Teams wanting a design-agnostic library that doesn't enforce Microsoft's Fluent Design language
Projects needing immediate stability without dealing with beta components or migration complexities

Pros & Cons

Pros

Modern Component Architecture

v9 components offer future-proof APIs and improved performance, as highlighted in the release schedule and modern tooling emphasis.

Accessibility by Default

Components are built following WCAG best practices, ensuring out-of-the-box accessibility without extra configuration, which is a core philosophy.

Flexible Theming System

The theming allows deep customization of design tokens using Griffel, supporting brand consistency across applications as per the styling documentation.

Smooth Migration Path

Provides dedicated tools and guidance for migrating from v8 to v9, reducing upgrade friction and ensuring long-term viability, as noted in the migration support.

Cons

Version Confusion

With two active React versions (v8 and v9) maintained simultaneously, developers face complexity in choosing between maturity and modernity, leading to a fragmented experience.

Beta State Limitations

The Web Components package is marked as beta, indicating potential instability, breaking changes, and lack of production readiness, which risks adoption in critical projects.

Design Language Lock-in

Tight integration with Microsoft's Fluent Design limits flexibility for projects requiring different aesthetics, forcing adherence to a specific visual system.

Frequently Asked Questions

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