The Pixelmator image-editing app has been updated to version 3.1 (nicknamed Marble) with a couple of improvements aimed at the new Mac Pro. It adds support for 16-bit-per-channel images, and it’s able to utilize the Mac Pro’s dual graphics processors simultaneously to accelerate composition rendering for faster and more responsive performance (see this blog post for more). Pixelmator also adds MILK Print on Demand as its on-demand printing partner, enabling you to order prints (as well as notecards, posters, and more). The update also adds a bevy of layer styles improvements, brings back a number of effects (including Pointillize, Pixelize, Mandala, Concert, and more), improves the stability of the effects rope, improves support for RAW image files, ensures that text stays visible on grouped text layers that are duplicated, and banishes the “Low disk space” message when it’s clear that your computer has ample storage space. ($29.99 new from the Mac App Store, free update, 36.7 MB, release notes)
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Set Your Default Printer
If you print mostly to a single printer, make sure it's selected in the Print & Fax preference pane's Default Printer pop-up menu.