RealityKitGestureIssue.swift

import UIKit
import RealityKit
import Combine

class ViewController: UIViewController {
    
    @IBOutlet var arView: ARView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Load the "Box" scene from the "Experience" Reality File
        let planeAnchor = AnchorEntity(plane: .horizontal)
        arView.scene.addAnchor(planeAnchor)
        
        
        // Gestures do not work for this entity
        let sticker = ContainerEntity(name: "ipad_pro.usdz")
        planeAnchor.addChild(sticker)
        
        // Gestures do work here
        let sticker2 = ContainerEntity2(name: "ipad_pro.usdz")
        sticker2.position.z += 1
        planeAnchor.addChild(sticker2)
        
        arView.installGestures(.all, for: sticker)
        arView.installGestures(.all, for: sticker2)
    }
}

class ContainerEntity: Entity, HasModel, HasCollision {
    var content: ModelEntity?
    
    // MARK: Initialisers
    required init() {
        super.init()
    }
    
    convenience init(name: String) {
        self.init()
                
        var cancellable: AnyCancellable? = nil
        cancellable = ModelEntity.loadModelAsync(named: name)
            .sink(receiveCompletion: { error in
                cancellable?.cancel()
            }, receiveValue: { entity in
//                entity.generateCollisionShapes(recursive: true)
                self.content = entity
                self.addChild(self.content!)
                
                self.generateCollisionShapes(recursive: true)
                self.collision = entity.collision
                cancellable?.cancel()
            })
    }
}

class ContainerEntity2: Entity, HasModel, HasCollision {
    // MARK: Initialisers
    required init() {
        super.init()
    }
    
    convenience init(name: String) {
        self.init()
                
        var cancellable: AnyCancellable? = nil
        cancellable = ModelEntity.loadModelAsync(named: name)
            .sink(receiveCompletion: { error in
                cancellable?.cancel()
            }, receiveValue: { entity in
//                entity.generateCollisionShapes(recursive: true)
                self.model = entity.model
                
                self.generateCollisionShapes(recursive: true)
                cancellable?.cancel()
            })
    }
}

Ah IDKW, but it's working on only storyboard, not swiftUI