Many tech blogs and forums are reporting leak of Adobe Photoshop CS4 Codenamed StoneHenge on torrent sites, After doing some research and reading the contradicting comments this 454.57 MB download seems fake to me, since downloading and installing such thing is illegal, I am unable to verify this myself.

The very likely feature may be introduce the "Image Resizer Technology", because Adobe hires the co-inventor of this company.

Let's see the demo: