But, tbh, the only noticeable improvements since the older Photoshop's are some updates in the visualization of the canvas (things like, rotating it and smooth-zooming to any %). But nothing has changed in the tools we artists use or need. Maybe one or two new filters, at most.
Hey, never be worried about asking me anything you'd need to know. ♥ I'm sorry for being so slow to reply, though. When I'm packed with work I tend to forget checking dA for many days