I think Creo 4.0 is a very classic big release than Creo 3.0, the following enhancements are I like top ten:
You can review full list from https://support.ptc.com/appserver/cs/view/solution.jsp?n=CS236243
Other good news, refer to https://support.ptc.com/appserver/cs/view/solution.jsp?n=CS251133, Creo 4.0 M010 will support AR and Creo 4.0 M020 will support IOT
Does filenaming in Creo Parametric 4.0 allow for longer names than 31 characters? Does it allow spaces, forward slashes, dots and other sorts of chars?
I guess I should just install it and try it out.
I just like geometry search tool in flexible modeling, set line thickness in sketch, new material library including about 100 material and new cross-section hatch library