WHY?? From 2.5 to 3.00.17 release

[giancamati]

Hello everybody,

I developed a 3D mouse based on collision detection between my 3D cursor (a sphere" and objects in the scene. Now, I developed my code on 2.5 version of WorldViz.
I changed to 3.00.17... release the latest one you can find on the website. WHY my code doesn't work anymore!?!? What happend? I found many examples and it seems that the library has been remodelled
Is there a document where I can find the differences between 2.5 release and the latest one?

Thank you.
Giancarlo