fix(deps): update dependency @react-three/fiber to v9

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@react-three/fiber	^8.16.0 -> ^9.0.0

---

Release Notes

pmndrs/react-three-fiber (@​react-three/fiber)

v9.0.4

Compare Source

What's Changed

• fix(types): exclude type conflicts in React runtime types by @​CodyJasonBennett in https://github.com/pmndrs/react-three-fiber/pull/3473

Full Changelog: pmndrs/react-three-fiber@v9.0.3...v9.0.4

v9.0.3

Compare Source

What's Changed

• fix(types): remove recursive references in JSX types by @​CodyJasonBennett in https://github.com/pmndrs/react-three-fiber/pull/3472

Full Changelog: pmndrs/react-three-fiber@v9.0.2...v9.0.3

v9.0.2

Compare Source

What's Changed

• fix(reconciler): prefer to resolve unprefixed instance types by @​CodyJasonBennett in https://github.com/pmndrs/react-three-fiber/pull/3470

Full Changelog: pmndrs/react-three-fiber@v9.0.1...v9.0.2

v9.0.1

Compare Source

What's Changed

• fix: add use-sync-external-store dep by @​CodyJasonBennett in https://github.com/pmndrs/react-three-fiber/pull/3466

Full Changelog: pmndrs/react-three-fiber@v9.0.0...v9.0.1

v9.0.0

Compare Source

This is a compatibility release for React 19, which brings further performance, stability, and type improvements. You can check out the React 19 changelog here.

We would like to express our gratitude to the community for their continued support, as well as to all our contributors, including the React team at Meta and Vercel, for ensuring this upgrade went smoothly. 🎉

[!WARNING]
This release contains breaking changes when using Strict Mode, which can highlight bugs during development. See StrictMode.

Features

useLoader Accepts Loader Instance

useLoader now supports re-use of external loader instances for more controlled pooling and setup.

import { GLTFLoader } from 'three/addons'
import { useLoader } from '@​react-three/fiber'

function Model() {
  const gltf = useLoader(GLTFLoader, '/path/to/model.glb')
  // ...
}

// or,

const loader = new GLTFLoader()
function Model() {
  const gltf = useLoader(loader, '/path/to/model.glb')
  // ...
}

Factory extend Signature

extend can now produce a component when a three.js class is passed to it individually instead of a catalog of named classes. This is backwards compatible and reduces TypeScript boilerplate and JSX collisions. We recommend libraries migrate to this signature so internal components don't clash with user-land declarations.

import { OrbitControls } from 'three/addons'
import { type ThreeElement, type ThreeElements } from '@​react-three/fiber'

declare module '@​react-three/fiber' {
  interface ThreeElements {
    orbitControls: ThreeElement<typeof OrbitControls>
  }
}

extend({ OrbitControls })

<orbitControls args={[camera, gl.domElement]}>

// or,

const Controls = extend(OrbitControls)
<Controls args={[camera, gl.domElement]} />

Async GL prop

The Canvas GL prop accepts constructor parameters, properties, or a renderer instance via a callback. The callback now passes constructor parameters instead of just a canvas reference.

<Canvas
  gl={{ reverseDepthBuffer: true }}
- gl={(canvas) => new WebGLRenderer({ canvas })}
+ gl={(props) => new WebGLRenderer(props)}
>

Further, a callback passed to GL can now return a promise for async constructors like WebGPURenderer (see WebGPU).

<Canvas
  gl={async (props) => {
    // ...
    return renderer
  }}
>

WebGPU

Recent Three.js now includes a WebGPU renderer. While still a work in progress and not fully backward-compatible with all of Three's features, the renderer requires an async initialization method. R3F streamlines this by allowing the gl prop to return a promise.

import * as THREE from 'three/webgpu'
import * as TSL from 'three/tsl'
import { Canvas, extend, useFrame, useThree } from '@​react-three/fiber'

declare module '@​react-three/fiber' {
  interface ThreeElements extends ThreeToJSXElements<typeof THREE> {}
}

extend(THREE as any)

export default () => (
  <Canvas
    gl={async (props) => {
      const renderer = new THREE.WebGPURenderer(props as any)
      await renderer.init()
      return renderer
    }}>
      <mesh>
        <meshBasicNodeMaterial />
        <boxGeometry />
      </mesh>
  </Canvas>
)

Fixes

Color Management of Textures

Automatic sRGB conversion of texture props has been removed. Color textures are now handled automatically for built-in materials, aligning with vanilla Three.js behavior. This prevents issues where data textures (e.g., normals or displacement) become corrupted or non-linear. For custom materials or shaders, annotate color textures with texture.colorSpace = THREE.SRGBColorSpace or texture-colorSpace={THREE.SRGBColorSpace} in JSX.

For more details, see https://threejs.org/docs/#manual/en/introduction/Color-management.

Suspense and Side-Effects

The handling of Suspense and fallback content has improved in React and R3F. Side-effects like attach and constructor effects (e.g., controls adding event listeners) no longer fire repeatedly without proper cleanup during suspension.

import { ThreeElement, useThree } from '@​react-three/fiber'
import { OrbitControls } from 'three/addons'

declare module '@​react-three/fiber' {
  interface ThreeElements {
    OrbitControls: ThreeElement<typeof OrbitControls>
  }
}

extend({ OrbitControls })

function Controls() {
  const camera = useThree((state) => state.camera)
  const gl = useThree((state) => state.gl)

  // Will only initialize when tree is connected to screen
  return <orbitControls args={[camera, gl.domElement]}>
}

<Suspense>
  <Controls />
  <AsyncComponent />
</Suspense>

Swapping with args and primitives

Swapping elements when changing the args or primitive object prop has been improved for structured children like arrays or iterators (React supports both, including async iterators). Previously, primitives sharing an object could update out of order or be removed from the scene along with their children.

See: https://github.com/pmndrs/react-three-fiber/pull/3272

TypeScript Changes

Props renamed to CanvasProps

Canvas Props is now called CanvasProps for clarity. These were aliased in v8 for forward compatibility, but Props is removed with v9.

-function Canvas(props: Props)
+function Canvas(props: CanvasProps)

Dynamic JSX Types

Since R3F's creation, JSX types had to be maintained in accordance with additions to three core API. Although missing or future types could be ignored or resilient for forward and backwards compatibility, this was a major maintenance burden for us and those extending three. Furthermore, libraries which wrap or bind to the known catalog of elements (e.g. React Spring <animated.mesh />) had no way of knowing which elements belonged to a renderer.

Since v8, we've added a catalog of known elements to a ThreeElements interface, and with v9 automatically map three API to JSX types. As types are now dynamically mapped, hardcoded exports like MeshProps have been removed, and can be accessed as ThreeElements['mesh']. Helper types like Color or Vector3 remain to reflect the JSX MathType API for shorthand expression.

-import { MeshProps } from '@​react-three/fiber'
-type Props = MeshProps

+import { ThreeElements } from '@​react-three/fiber'
+type Props = ThreeElements['mesh']

Node Helpers

Specialized Node type helpers for extending JSX (Node, Object3DNode, BufferGeometryNode, MaterialNode, LightNode) are removed and combined into 'ThreeElement', which accepts a single type representing the extended element instance.

import { type ThreeElement } from '@​react-three/fiber'

declare module '@​react-three/fiber' {
  interface ThreeElements {
    customElement: ThreeElement<typeof CustomElement>
  }
}

extend({ CustomElement })

ThreeElements

ThreeElements was added as an interface since v8.1.0 and is the current way of declaring or accessing JSX within R3F since React's depreciation of global JSX (see https://react.dev/blog/2024/04/25/react-19-upgrade-guide#the-jsx-namespace-in-typescript). All JSX types belonging to R3F are accessible from ThreeElements.

-import { type Node } from '@​react-three/fiber'
-
-declare global {
-  namespace JSX {
-    interface IntrinsicElements {
-      customElement: Node<CustomElement, typeof CustomElement>
-    }
-  }
-}
-
-extend({ CustomElement })

+import { type ThreeElement } from '@&#8203;react-three/fiber'
+
+declare module '@&#8203;react-three/fiber' {
+  interface ThreeElements {
+    customElement: ThreeElement<typeof CustomElement>
+  }
+}
+
+extend({ CustomElement })

Testing

StrictMode

StrictMode is now correctly inherited from a parent renderer like react-dom. Previously, <StrictMode /> mounted in another root such as react-dom would not affect the R3F canvas, so it had to be redeclared within the canvas as well.

<StrictMode>
  <Canvas>
-    <StrictMode>
-      // ...
-    </StrictMode>
+    // ...
  </Canvas>
</StrictMode>

Keep in mind, this change may affect the behavior of your application. If you encounter anything that worked before and fails now, profile it first in dev and then production. If it works in prod then strict mode has flushed out a side-effect in your code.

Act

act is now exported from React itself and can be used for all renderers. It will return the contents of a passed async callback like before and recursively flush async effects to synchronously test React output.

import { act } from 'react'
import { createRoot } from '@​react-three/fiber'

const store = await act(async () => createRoot(canvas).render(<App />))
console.log(store.getState())

Full Changelog: pmndrs/react-three-fiber@v8.18.0...v9.0.0

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