5. A Revamped Implementation of Multiple Undos
Ctrl-Z or Command-Z now steps backward, whereas Ctrl-Shift-Z or Command-Shift-Z steps forward, all without abandoning any History states.
4. Paint Multiple Symmetrical Brushstrokes at a Time around Multiple Axes
Photoshop CC 2018 made this feature available as a hidden Technology Preview. Now it’s out there in the open and more capable than ever. You can even define your own custom symmetry axis from the Paths panel.
3. Preview Blend Modes from the Layers Panel
Ever left scratching your head wondering which blend mode to apply? Well then, Deke has good news for your scalp. Go to the Layers panel, hover your cursor over a blend mode, and watch it apply on-the-fly. You can’t help but get wise.
2. Basic Math
Like Illustrator and InDesign, Photoshop can now compute simple arithmetic operations: namely addition, subtraction, multiplication, and division. Wondering what a number divided by 2 is? Don’t. Just enter /2 and let Photoshop figure it out.
1. The Content-Aware Fill Taskspace
For years, the workings of Content-Aware Fill have been a mystery: Cross your fingers and hope for the best. Now Photoshop devotes an entire taskspace that puts you in control.
You can specify the areas from which Photoshop samples its source pixels, while at the same time previewing the results in real time. CAF even returns its results to an independent layer.