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Ultracite v6 introduces framework-specific presets that give you more control over which rules apply to your project.

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What Changed

v6 introduces framework-specific presets:

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Migration

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Next.js/React Projects

Update your biome.jsonc to extend the appropriate presets:
biome.jsonc
{
  "extends": ["ultracite/core", "ultracite/react", "ultracite/next"]
}

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Non-React Projects

Switch to the core preset if you’re not using React:
biome.jsonc
{
  "extends": ["ultracite/core"]
}

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Other Frameworks

Use the appropriate preset for your framework:
biome.jsonc
{
  // Solid.js
  "extends": ["ultracite/core", "ultracite/solid"]

  // Vue.js
  "extends": ["ultracite/core", "ultracite/vue"]

  // Svelte
  "extends": ["ultracite/core", "ultracite/svelte"]

  // Qwik
  "extends": ["ultracite/core", "ultracite/qwik"]

  // Angular
  "extends": ["ultracite/core", "ultracite/angular"]
}

​
Multi-Framework Projects

Combine presets as needed:
biome.jsonc
{
  "extends": ["ultracite/core", "ultracite/react", "ultracite/solid"]
}