heard Heritage shafts have a different defection that older ones,, if so can someone tell me what date the the arrows where changed?

Can't tell you the date but I think it has been about a year now.

I think (but not sure) than the new heritage have clear color, the old one are more brown .

so there is a noticeable color difference?

The new heritage, lighter spine shafts look like gold tips. The older ones are dark brown

If I remember correctly, Big Jim has some very specific info on the change.  He might be able to help you.

Yes, they changed slightly two years ago, but implemented them as retro so some still had the older models.
Old are dark and new are light colored.

Very little difference in 250's and 350's. more significant in the lighter spines.
We may still have some of the older cx heritage also.
thanks, bigjim

what deflection are the new 150's and are they a lighter weight shaft ??  

The 150's are the same 10 gpi, spine is .495, was .487...very little diff.