A new update is available for Photoshop CC and here is a brief list of some of the new features:
New Start Experience
Design Space (Preview)
Do more with Artboards
Modern user interface and new touch capabilities on the Windows operating system
Customise your toolbar - see video
Faster Export with more control
The new start screen features a recently opened files list with New and Open buttons. For those preferring the traditional start experience, the new features can be disabled in preferences. Camera Raw 9.3.1 is included which does not have any new camera support, but it fixes a bug some users experienced when using Photoshop.
Full details can be found in this blog post:
Photoshop Max release 2015.1
A further update this December has some fixes for workflow issues following the original update this month.
See the link to the Adobe Blog:
Adobe's Terry White has a quick YouTube video showing how you can customize the tools pallet.