Mapdiva has updated Artboard (http://mapdiva.com/artboard), their vector drawing software for Mac OS X, to version 1.8. It’s available exclusively on the Mac App Store in the Graphics & Design category.

The update introduces social sharing of drawings, new power-features, and enhanced performance. It requires Mac OS X 10.6 and costs US$25.99.

Artboard includes over 1,700 styles and fully editable clip art, including speech bubbles, buttons, maps and flags, people factory, and home planning, plus a library to store your own creations. The software features a style generator and stacked styles, providing a range of effects. It takes advantage of a Core Image-supported graphics card. A demo version, tutorials and more can be found at the Mapdiva web site.