Updated builds.

build/three.cjs

@@ -21218,9 +21218,22 @@ class ShaderMaterial extends Material {
 		this.wireframeLinewidth = 1;
 
 		/**
-		 * Define whether the material color is affected by global fog settings; `true`
+		 * Defines whether the material color is affected by global fog settings; `true`
 		 * to pass fog uniforms to the shader.
 		 *
+		 * Setting this property to `true` requires the definition of fog uniforms. It is
+		 * recommended to use `UniformsUtils.merge()` to combine the custom shader uniforms
+		 * with predefined fog uniforms.
+		 *
+		 * ```js
+		 * const material = new ShaderMaterial( {
+		 *     uniforms: UniformsUtils.merge( [ UniformsLib[ 'fog' ], shaderUniforms ] );
+		 *     vertexShader: vertexShader,
+		 *     fragmentShader: fragmentShader,
+		 *     fog: true
+		 * } );
+		 * ```
+		 *
 		 * @type {boolean}
 		 * @default false
 		 */
@@ -21339,6 +21352,12 @@ class ShaderMaterial extends Material {
 
 		this.glslVersion = source.glslVersion;
 
+		this.defaultAttributeValues = Object.assign( {}, source.defaultAttributeValues );
+
+		this.index0AttributeName = source.index0AttributeName;
+
+		this.uniformsNeedUpdate = source.uniformsNeedUpdate;
+
 		return this;
 
 	}

build/three.core.js

@@ -21216,9 +21216,22 @@ class ShaderMaterial extends Material {
 		this.wireframeLinewidth = 1;
 
 		/**
-		 * Define whether the material color is affected by global fog settings; `true`
+		 * Defines whether the material color is affected by global fog settings; `true`
 		 * to pass fog uniforms to the shader.
 		 *
+		 * Setting this property to `true` requires the definition of fog uniforms. It is
+		 * recommended to use `UniformsUtils.merge()` to combine the custom shader uniforms
+		 * with predefined fog uniforms.
+		 *
+		 * ```js
+		 * const material = new ShaderMaterial( {
+		 *     uniforms: UniformsUtils.merge( [ UniformsLib[ 'fog' ], shaderUniforms ] );
+		 *     vertexShader: vertexShader,
+		 *     fragmentShader: fragmentShader,
+		 *     fog: true
+		 * } );
+		 * ```
+		 *
 		 * @type {boolean}
 		 * @default false
 		 */
@@ -21337,6 +21350,12 @@ class ShaderMaterial extends Material {
 
 		this.glslVersion = source.glslVersion;
 
+		this.defaultAttributeValues = Object.assign( {}, source.defaultAttributeValues );
+
+		this.index0AttributeName = source.index0AttributeName;
+
+		this.uniformsNeedUpdate = source.uniformsNeedUpdate;
+
 		return this;
 
 	}

build/three.webgpu.js

@@ -42283,8 +42283,6 @@ const PCFSoftShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, shadowCoord, sha
  */
 const VSMShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, shadowCoord, depthLayer } ) => {
 
-	const occlusion = float( 1 ).toVar();
-
 	let distribution = texture( depthTexture ).sample( shadowCoord.xy );
 
 	if ( depthTexture.isArrayTexture ) {
@@ -42295,19 +42293,28 @@ const VSMShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, shadowCoord, depthLa
 
 	distribution = distribution.rg;
 
-	const hardShadow = step( shadowCoord.z, distribution.x );
+	const mean = distribution.x;
+	const variance = max$1( 0.0000001, distribution.y.mul( distribution.y ) );
+
+	const hardShadow = step( shadowCoord.z, mean );
 
-	If( hardShadow.notEqual( float( 1.0 ) ), () => {
+	// Early return if fully lit
+	If( hardShadow.equal( 1.0 ), () => {
 
-		const distance = shadowCoord.z.sub( distribution.x );
-		const variance = max$1( 0, distribution.y.mul( distribution.y ) );
-		let softnessProbability = variance.div( variance.add( distance.mul( distance ) ) ); // Chebeyshevs inequality
-		softnessProbability = clamp( sub( softnessProbability, 0.3 ).div( 0.95 - 0.3 ) );
-		occlusion.assign( clamp( max$1( hardShadow, softnessProbability ) ) );
+		return float( 1.0 );
 
 	} );
 
-	return occlusion;
+	// Distance from mean
+	const d = shadowCoord.z.sub( mean );
+
+	// Chebyshev's inequality for upper bound on probability
+	let p_max = variance.div( variance.add( d.mul( d ) ) );
+
+	// Reduce light bleeding by remapping [amount, 1] to [0, 1]
+	p_max = clamp( sub( p_max, 0.3 ).div( 0.65 ) );
+
+	return max$1( hardShadow, p_max );
 
 } );
 
@@ -56550,7 +56557,7 @@ class Renderer {
 	 * @param {Object3D} scene - The scene or 3D object to precompile.
 	 * @param {Camera} camera - The camera that is used to render the scene.
 	 * @param {?Scene} targetScene - If the first argument is a 3D object, this parameter must represent the scene the 3D object is going to be added.
-	 * @return {Promise<Array|undefined>} A Promise that resolves when the compile has been finished.
+	 * @return {Promise} A Promise that resolves when the compile has been finished.
 	 */
 	async compileAsync( scene, camera, targetScene = null ) {
 

build/three.webgpu.nodes.js

@@ -42283,8 +42283,6 @@ const PCFSoftShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, shadowCoord, sha
  */
 const VSMShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, shadowCoord, depthLayer } ) => {
 
-	const occlusion = float( 1 ).toVar();
-
 	let distribution = texture( depthTexture ).sample( shadowCoord.xy );
 
 	if ( depthTexture.isArrayTexture ) {
@@ -42295,19 +42293,28 @@ const VSMShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, shadowCoord, depthLa
 
 	distribution = distribution.rg;
 
-	const hardShadow = step( shadowCoord.z, distribution.x );
+	const mean = distribution.x;
+	const variance = max$1( 0.0000001, distribution.y.mul( distribution.y ) );
+
+	const hardShadow = step( shadowCoord.z, mean );
 
-	If( hardShadow.notEqual( float( 1.0 ) ), () => {
+	// Early return if fully lit
+	If( hardShadow.equal( 1.0 ), () => {
 
-		const distance = shadowCoord.z.sub( distribution.x );
-		const variance = max$1( 0, distribution.y.mul( distribution.y ) );
-		let softnessProbability = variance.div( variance.add( distance.mul( distance ) ) ); // Chebeyshevs inequality
-		softnessProbability = clamp( sub( softnessProbability, 0.3 ).div( 0.95 - 0.3 ) );
-		occlusion.assign( clamp( max$1( hardShadow, softnessProbability ) ) );
+		return float( 1.0 );
 
 	} );
 
-	return occlusion;
+	// Distance from mean
+	const d = shadowCoord.z.sub( mean );
+
+	// Chebyshev's inequality for upper bound on probability
+	let p_max = variance.div( variance.add( d.mul( d ) ) );
+
+	// Reduce light bleeding by remapping [amount, 1] to [0, 1]
+	p_max = clamp( sub( p_max, 0.3 ).div( 0.65 ) );
+
+	return max$1( hardShadow, p_max );
 
 } );
 
@@ -56550,7 +56557,7 @@ class Renderer {
 	 * @param {Object3D} scene - The scene or 3D object to precompile.
 	 * @param {Camera} camera - The camera that is used to render the scene.
 	 * @param {?Scene} targetScene - If the first argument is a 3D object, this parameter must represent the scene the 3D object is going to be added.
-	 * @return {Promise<Array|undefined>} A Promise that resolves when the compile has been finished.
+	 * @return {Promise} A Promise that resolves when the compile has been finished.
 	 */
 	async compileAsync( scene, camera, targetScene = null ) {