Here are the latest updates for Mac OS X apps:

Apple has posted an update to its iOS Apple Store app, adding support for the iOS 6 digital coupon and gift card management software Passbook, as well as integration with Siri.

The Adium Team (www.adium.com) has released Adium 1.5.4 the latest update to the alternative AIM client, The upgrade has updated the Growl SDK (software development kit) to version 2.0, adding support for the Mountain Lion Notification Center if Growl isn't installed.

Fidelity Media has announced MegaSeg DJ 5.8.6 (www.megaseg.com), an update to their music mixing app built for DJs. The upgrade includes over 40 improvements that focus on automatic volume control, category editing, importing, list views, metadata, MIDI control, output devices, playlist browsing, segue crossfades, visual wave mixing, and various optimizations.

SintraWorks (www.sintraworks.com) has rolled out PDF Nomad 1.5, an update to its l PDF editor made especially for Mac OS X 10.7 Lion. The upgrade adds nine new features, including arbitrary rotation of page contents, annotation merging, object centring, enhanced layout control and more.

The Pixelmator Team (www.pixelmator.com) has given us Pixelmator 2.1.3, a new version of its image editing application. The upgrade introduces a new and simplified Color Management tool and Soft Proofing feature, enhanced PSD file format support, improved Automator actions, new languages added and more.

Maintain (http://www.maintain.se/cocktail) has served up Cocktail 6.2.1 (Mountain Lion Edition), the latest maintenance update for users running Mountain Lion. Cocktail is a general purpose utility for OS X that lets users clean, repair and optimize their Mac. Version 6.2.1 adds the ability to disable startup sound and addresses compatibility issues with USB flash drives.

Fanurio Time Tracking (/www.fanuriotimetracking.com) has rolled out Fanurio 2.6, a time tracking and billing software app. The upgrade lets you import time from any web, desktop or mobile application that exports it as a CSV file. You can also now use multiple timers to track time.

Adobe has cooked up Lightroom 4.3 and Camera Raw 7.3 release candidates on Adobe Labs (http://labs.adobe.com). The Lightroom 4.3 Release Candidate includes support for HiDPI displays within the Develop Module, and both updates add raw file support for new cameras.