New Updates: Aperture, ARD, Backup and Login

Aperture 1.5.6
The Aperture 1.5.6 Update addresses issues related to performance, improves overall stability, and supports compatibility with Mac OS X 10.5 Leopard. Other specific issues addressed in this release include:
Resolves some minor compatibility issues with iPhoto 7.1, which organizes images by Event rather than Roll.
Addresses issues related to metadata and sort order when sharing previews with iLife Media Browser.
Improves reliability of queries based on Import Session.
Addresses reliability when recovering an Aperture Library from a Vault.
This update is recommended for all Aperture users.
http://docs.info.apple.com/article.html?artnum=306387

Apple Remote Desktop version 3.2
Apple Remote Desktop (ARD) version 3.2 can be installed on computers that have:
- Mac OS X 10.3.9 or later.
- An Ethernet (recommended), AirPort, or FireWire over IP network connection.
- Apple Remote Desktop (ARD) 3.0 or 3.1.
Apple Remote Desktop 3.2 is a Universal Binary updater application that will upgrade Apple Remote Desktop 3.0 or 3.1 installations on Intel- or PowerPC-based Macintosh computers which meet the above criteria.
Update packages
Apple Remote Desktop 3.2 provides two update packages:
- Apple Remote Desktop 3.2.1 Client
- Apple Remote Desktop 3.2 Admin
These updates can be downloaded from Apple downloads.
Compatibility with previous versions of Apple Remote Desktop
Apple Remote Desktop 3.2 allows you to Control or Observe Apple Remote Desktop version 2.0 or later and 3.0 and 3.1 clients.
If you choose not to upgrade your clients to the current version, you will have limited backwards compatibility and will only be able to control/observe computers that are running version 2.1 or later of the client software.
http://docs.info.apple.com/article.html?artnum=306490

Login & Keychain Update 1.0
This update is recommended for all users running Mac OS X Leopard.
For detailed information on this update, please visit this website: http://www.apple.com/support/downloads/loginkeychainupdate10.html

Backup 3.1.2
Backup 3.1.2 is highly recommended for all users of Backup 3. This update includes reliability improvements and improves compatibility with Leopard and iWork '08.
http://www.apple.com/support/downloads/backup312.html