diff --git a/examples/jsm/controls/OrbitControls.js b/examples/jsm/controls/OrbitControls.js
index 10bf8437214498..ff9c1b2f22cd95 100644
--- a/examples/jsm/controls/OrbitControls.js
+++ b/examples/jsm/controls/OrbitControls.js
@@ -594,6 +594,67 @@ class OrbitControls extends Controls {
 
 	}
 
+	/**
+	 * Programmatically pan the camera.
+	 *
+	 * @param {number} deltaX - The horizontal pan amount in pixels.
+	 * @param {number} deltaY - The vertical pan amount in pixels.
+	 */
+	pan( deltaX, deltaY ) {
+
+		this._pan( deltaX, deltaY );
+		this.update();
+
+	}
+
+	/**
+	 * Programmatically dolly in (zoom in for perspective camera).
+	 *
+	 * @param {number} dollyScale - The dolly scale factor.
+	 */
+	dollyIn( dollyScale ) {
+
+		this._dollyIn( dollyScale );
+		this.update();
+
+	}
+
+	/**
+	 * Programmatically dolly out (zoom out for perspective camera).
+	 *
+	 * @param {number} dollyScale - The dolly scale factor.
+	 */
+	dollyOut( dollyScale ) {
+
+		this._dollyOut( dollyScale );
+		this.update();
+
+	}
+
+	/**
+	 * Programmatically rotate the camera left (around the vertical axis).
+	 *
+	 * @param {number} angle - The rotation angle in radians.
+	 */
+	rotateLeft( angle ) {
+
+		this._rotateLeft( angle );
+		this.update();
+
+	}
+
+	/**
+	 * Programmatically rotate the camera up (around the horizontal axis).
+	 *
+	 * @param {number} angle - The rotation angle in radians.
+	 */
+	rotateUp( angle ) {
+
+		this._rotateUp( angle );
+		this.update();
+
+	}
+
 	update( deltaTime = null ) {
 
 		const position = this.object.position;
diff --git a/package-lock.json b/package-lock.json
index 08197fa153f329..e80edf7908f772 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2599,9 +2599,9 @@
       }
     },
     "node_modules/lodash": {
-      "version": "4.17.21",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
-      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
+      "version": "4.17.23",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.23.tgz",
+      "integrity": "sha512-LgVTMpQtIopCi79SJeDiP0TfWi5CNEc/L/aRdTh3yIvmZXTnheWpKjSZhnvMl8iXbC1tFg9gdHHDMLoV7CnG+w==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/src/cameras/Camera.js b/src/cameras/Camera.js
index 333b0b40ec65e2..2c2569639c4476 100644
--- a/src/cameras/Camera.js
+++ b/src/cameras/Camera.js
@@ -1,6 +1,12 @@
 import { WebGLCoordinateSystem } from '../constants.js';
 import { Matrix4 } from '../math/Matrix4.js';
 import { Object3D } from '../core/Object3D.js';
+import { Vector3 } from '../math/Vector3.js';
+import { Quaternion } from '../math/Quaternion.js';
+
+const _position = /*@__PURE__*/ new Vector3();
+const _quaternion = /*@__PURE__*/ new Quaternion();
+const _scale = /*@__PURE__*/ new Vector3();
 
 /**
  * Abstract base class for cameras. This class should always be inherited
@@ -107,7 +113,19 @@ class Camera extends Object3D {
 
 		super.updateMatrixWorld( force );
 
-		this.matrixWorldInverse.copy( this.matrixWorld ).invert();
+		// exclude scale from view matrix to be glTF conform
+
+		this.matrixWorld.decompose( _position, _quaternion, _scale );
+
+		if ( _scale.x === 1 && _scale.y === 1 && _scale.z === 1 ) {
+
+			this.matrixWorldInverse.copy( this.matrixWorld ).invert();
+
+		} else {
+
+			this.matrixWorldInverse.compose( _position, _quaternion, _scale.set( 1, 1, 1 ) ).invert();
+
+		}
 
 	}
 
@@ -115,7 +133,19 @@ class Camera extends Object3D {
 
 		super.updateWorldMatrix( updateParents, updateChildren );
 
-		this.matrixWorldInverse.copy( this.matrixWorld ).invert();
+		// exclude scale from view matrix to be glTF conform
+
+		this.matrixWorld.decompose( _position, _quaternion, _scale );
+
+		if ( _scale.x === 1 && _scale.y === 1 && _scale.z === 1 ) {
+
+			this.matrixWorldInverse.copy( this.matrixWorld ).invert();
+
+		} else {
+
+			this.matrixWorldInverse.compose( _position, _quaternion, _scale.set( 1, 1, 1 ) ).invert();
+
+		}
 
 	}
 
diff --git a/src/materials/nodes/MeshPhysicalNodeMaterial.js b/src/materials/nodes/MeshPhysicalNodeMaterial.js
index 83d676698f6162..fd5a11f5978744 100644
--- a/src/materials/nodes/MeshPhysicalNodeMaterial.js
+++ b/src/materials/nodes/MeshPhysicalNodeMaterial.js
@@ -502,6 +502,8 @@ class MeshPhysicalNodeMaterial extends MeshStandardNodeMaterial {
 		this.specularIntensityNode = source.specularIntensityNode;
 		this.specularColorNode = source.specularColorNode;
 
+		this.iorNode = source.iorNode;
+
 		this.transmissionNode = source.transmissionNode;
 		this.thicknessNode = source.thicknessNode;
 		this.attenuationDistanceNode = source.attenuationDistanceNode;
diff --git a/src/math/MathUtils.js b/src/math/MathUtils.js
index 3800f4160e6b5f..25a898cd2fa39e 100644
--- a/src/math/MathUtils.js
+++ b/src/math/MathUtils.js
@@ -64,7 +64,7 @@ function euclideanModulo( n, m ) {
 
 /**
  * Performs a linear mapping from range `<a1, a2>` to range `<b1, b2>`
- * for the given value.
+ * for the given value. `a2` must be greater than `a1`.
  *
  * @param {number} x - The value to be mapped.
  * @param {number} a1 - Minimum value for range A.
@@ -159,9 +159,9 @@ function pingpong( x, length = 1 ) {
  *
  * See [Smoothstep](http://en.wikipedia.org/wiki/Smoothstep) for more details.
  *
- * @param {number} x - The value to evaluate based on its position between min and max.
- * @param {number} min - The min value. Any x value below min will be `0`.
- * @param {number} max - The max value. Any x value above max will be `1`.
+ * @param {number} x - The value to evaluate based on its position between `min` and `max`.
+ * @param {number} min - The min value. Any `x` value below `min` will be `0`. `min` must be lower than `max`.
+ * @param {number} max - The max value. Any `x` value above `max` will be `1`. `max` must be greater than `min`.
  * @return {number} The alternated value.
  */
 function smoothstep( x, min, max ) {
@@ -177,11 +177,11 @@ function smoothstep( x, min, max ) {
 
 /**
  * A [variation on smoothstep](https://en.wikipedia.org/wiki/Smoothstep#Variations)
- * that has zero 1st and 2nd order derivatives at x=0 and x=1.
+ * that has zero 1st and 2nd order derivatives at `x=0` and `x=1`.
  *
- * @param {number} x - The value to evaluate based on its position between min and max.
- * @param {number} min - The min value. Any x value below min will be `0`.
- * @param {number} max - The max value. Any x value above max will be `1`.
+ * @param {number} x - The value to evaluate based on its position between `min` and `max`.
+ * @param {number} min - The min value. Any `x` value below `min` will be `0`. `min` must be lower than `max`.
+ * @param {number} max - The max value. Any `x` value above `max` will be `1`. `max` must be greater than `min`.
  * @return {number} The alternated value.
  */
 function smootherstep( x, min, max ) {
@@ -294,7 +294,7 @@ function isPowerOfTwo( value ) {
 /**
  * Returns the smallest power of two that is greater than or equal to the given number.
  *
- * @param {number} value - The value to find a POT for.
+ * @param {number} value - The value to find a POT for. Must be greater than `0`.
  * @return {number} The smallest power of two that is greater than or equal to the given number.
  */
 function ceilPowerOfTwo( value ) {
@@ -306,7 +306,7 @@ function ceilPowerOfTwo( value ) {
 /**
  * Returns the largest power of two that is less than or equal to the given number.
  *
- * @param {number} value - The value to find a POT for.
+ * @param {number} value - The value to find a POT for. Must be greater than `0`.
  * @return {number} The largest power of two that is less than or equal to the given number.
  */
 function floorPowerOfTwo( value ) {