Question Question toward Conversion of Transform : CompositeScale or NonUniformScale

I'm doing around Hybrid ECS and using default ConvertToEntity system.
I recently found some of my Entities converted from GOs have CompositeScale and others have NonUniformScale.
But I can't undestand the reason why they have different ScaleComponents.
Can somebody explain to me about the condition?

 

If your game object with a non uniform scale like y is a higher value that x or z the conversation system will add a non uniform scale component. If all the scale values are the same you will not see a non uniform scale component. I’ve run into an issue where I used the ConvetToEntity component on a game object with uniform scale, then at run time I ran into issues when trying to scale in Y only because I had no nonUniformScale component for the auto conversion.

 

Thanks for your reply.
I've doing 2D stuff so my scale in Z is 1 and others are different. So it must make NonUniformScale I guess, But some of my Entites have only CompositeScale not NonUniformScale. And I can't understand why.

 

I had some similar questions. I didn't find a fully answer, but I have some partial information that may be helpful: https://forum.unity.com/threads/simple-dynamic-uniform-runtime-scale-alteration.1138975/

It would be great to have more information here.