Well, it supports glTF which is supported by Unity and Unreal too. Most 3D packages like Blender support it too IIRC. They even have a blog article on why it's

Well, it supports glTF which is supported by Unity and Unreal too. Most 3D packages like Blender support it too IIRC. They even have a blog article on why it's the future (like JPEG for images) and how many big companies have started supporting it.