Public CDN url format deprecated

Hi,

We are using the public CDN feature right now. I've jut read in this article by Vesa Juvonen that "the old URL format used in developer preview" will be deprecated:

https://dev.office.com/blogs/updates-on-the-office-365-cdn-capability

https://publiccdn.sharepointonline.com/<tenant host name>/<ID of the public CDN origin>/<sub-path under the origin>

Checking the current documentation I can see a different format:

https://dev.office.com/blogs/general-availability-of-office-365-cdn

https://publiccdn.sharepointonline.com/<tenant host name>/sites/site/library

But I'm not completly sure which one is the old one and which is the new one. Can you please clarify it?

Thanks,

Christian