UI Patterns 2.x

Bridges SDC components to Drupal's site-builder UI via a plugin architecture — covering props, slots, source plugins, Layout Builder, Views, field formatters, blocks, and the pattern library.

I need to...	Guide
Decide whether to use UI Patterns vs SDC alone	Overview & Decision
Understand the plugin system and rendering pipeline	Architecture
Define a component with props and slots	Defining Components
Know what prop types are available and how typing works	Props System
Understand how slots work and support multiple sources	Slots System
Map Drupal data (fields, menus, blocks) to component props/slots	Source Plugins
Add visual variants to a component	Variants
Understand how UI Patterns relates to Drupal core SDC	SDC Integration
Use components as Layout Builder sections	Layout Builder Integration
Use components as Views row/style plugins	Views Integration
Display fields using component formatters	Field Formatters
Expose components as block plugins	Blocks Integration
Browse and preview components in a library	Pattern Library
Write a custom source plugin	Creating Custom Source Plugins
Follow best practices and avoid anti-patterns	Best Practices & Anti-Patterns
Handle security and accessibility correctly	Security & Accessibility
Check source references and maintenance notes	Sources & Maintenance