Objects in AR not synced well with camera movement on iOS

• Create a default Handheld AR template project
• Package for iOS
• Install onto iOS device
• Launch game
• Place an object by tapping the screen
• Move the camera in any direction

Expected Result:
Objects retain their apparent position in the room without noticeable issues.

Actual Result:
Objects will jitter slightly in place as the camera moves.

How to add an old version to my Launcher? There appear only recent versions