Bug Fix Release

Changelog:

New Features:

• File loads now cancellable (@sdumetz)
• Model loading faster with more async processes (@sdumetz)

Bug fixes:

• Popup windows tied to component bounds instead of window. Styles updated appropriately. (#329)
• CC button is hidden when there is no caption file available
• AR touch plane now scales appropriately with very small object
• Annotation views now support rotation and translation
  • View transitions tuned to distance traveled

Misc

• Minimum Node engine requirement increased to 16.20.2