01 / 01

A major shift in the component library ecosystem

Shadcn/UI Now Defaults to Base UI

2025

02

Understanding the Change

What happened and why it matters

What Changed?

  • 01
    Shadcn/UI Background Popular React component library known for accessibility and design flexibility
  • 02
    Previous Foundation Built on Radix UI primitives for unstyled, accessible components
  • 03
    New Default Now defaults to Base UI, MUI's unstyled component library
  • 04
    Maintained Compatibility Radix UI remains available as an alternative option

Radix UI vs Base UI

Radix UI
  • Established ecosystem
  • Independent project
  • Excellent accessibility
  • React-focused
Base UI New Default
  • MUI ecosystem backing
  • Active development
  • Modern architecture
  • Better customization
  • Growing adoption
05

What This Means for Developers

Migration, compatibility, and best practices

Key Migration Points

sync

Seamless Migration

Existing projects can continue using Radix UI without changes

speed

Performance Gains

Base UI offers improved rendering performance and bundle size

tune

Enhanced Customization

More flexible styling options and component APIs

verified

Accessibility First

Both libraries maintain WCAG compliance standards

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Hacker News points in 24 hours
Significant developer interest in this foundational change

Thank You

Shadcn/UI continues to evolve for better developer experience

https://ui.shadcn.com/docs/changelog
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