A big chunk of reheated new for the company’s under serviced professional applications — perhaps they’ll get a little more love here at the beginning of Apple’s fourth age? Whatever the case, there are updates aplenty for the pro users out there.

Right off the bat, both MainStage and Logic Pro are now available on the Mac App Store. The former is available only via Apple’s online app store.

• MainStage 2.2, Mac App Store ($29.99)
— First Mac App Store version
— MacUpdate lists the changes in this update

• Logic Pro 9.1.6, Download
— On OS X Lion 10.7, “Revert to Saved” is now possible after a project has been renamed
— Logic now uses multiple available cores as expected when performing offline bounces
— Channel strips with pre-fader sends now mute consistently
— Dropping multiple samples on the EXS editor keyboard and choosing the Contiguous Zones option now correctly results in a chromatic mapping of the samples
— Now available on the Mac App Store ($199.99)
— Scores of changes, see full the release notes

• Aperture 3.2.2, Download
— Resolves an issue that could cause Aperture to quit unexpectedly at launch on Macs with Core Duo processors (Ed—A little surprised to see Apple throwing a bone to legacy Mac owners)
— Addresses problems that could cause the Crop tool to switch to the incorrect orientation or resize incorrectly
— Resolves rendering issues when cropping images with Onscreen Proofing enabled
— Location menus are now displayed correctly on the map in the Places view when “Photos” is selected in the Library Inspector

See also: Recent Mac Software Updates