Qt Quick 3D: OITWeightedBlended silently fails in WebAssembly

import QtQuick
import QtQuick3D
import QtQuick3D.Helpers

Window {
    id: root
    width: 640
    height: 480
    visible: true

    View3D {
        id: view3D
        anchors.fill: parent
        camera: PerspectiveCamera {
            id: perspectiveCamera
            position: Qt.vector3d(0, 10, 200)
            eulerRotation: Qt.vector3d(0, 0, 0)
        }

        environment: SceneEnvironment {
            oitMethod: SceneEnvironment.OITWeightedBlended // <-- Has no effect in WASM
        }

        OrbitCameraController {
            anchors.fill: parent
            origin: rootNode
            camera: perspectiveCamera
        }

        DirectionalLight {
            color: "white"
            eulerRotation: perspectiveCamera.eulerRotation
        }

        Node {
            id: rootNode

            Repeater3D {
                id: meshRepeater
                model: [
                    { mesh: "#Sphere", color: Qt.rgba(255/255,100/255,100/255, 1.0), position: Qt.vector3d(-20, 0, 0), depth: 10},
                    { mesh: "#Sphere", color: Qt.rgba(100/255,255/255,100/255, 1.0), position: Qt.vector3d(0, 0, 20), depth: 20},
                    { mesh: "#Sphere", color: Qt.rgba(100/255,100/255,255/255, 1.0), position: Qt.vector3d(20, 0, 0), depth: 30},
                ]
                delegate: Model {
                    source: modelData.mesh
                    scale: Qt.vector3d(1, 1, 1)
                    position: modelData.position
                    materials: [
                        DefaultMaterial {
                            diffuseColor: modelData.color
                            opacity: 0.5
                        }
                    ]
                }
            }
        }
    }
}