Align & Distribute
Align tool allows you to align objects to each other, or individual objects to the containing artboard. Distribute tools allows you to evenly distribute space across 3 or more objects.
Adam Menges
Nudge Elements with Keyboard
Use your arrow keys to nudge elements by 1px with your arrow keys, or 10px with shift + arrow keys.
Image Fill
Choose between fit, fill, and stretch for how images are displayed.
Corner Radius
Change the corner radius of artboards, images, and shapes.
Constraints
Constraints allow you to define how elements should behave when the parent artboard is resized. This enables even greater control over layout.