Apple has just released Mac OS X v10.5.7. Amongst numerous stability and performance updates, the improvements include changes to iCal, Mail, and Parental Controls. The Combo update is a whopping 728MB (951 MB for the Server Update Combo). If you only need the point update, it’s available at 440MB.

Apple just let loose an update to our favorite big cat, notching it up to v10.5.6. This update is recommended for all Leopard users and increases stability, compatibility and security of the system.

What’s in the update? Here are some of the noteables from the release…

It is being reported that developers may receive their first seeds of pre-release builds of Mac OS X 10.5.5 as soon as this weekend; Apple’s calling it a “maintenance and security update.” The OS X 10.5.5 Leopard update could provide support for new Apple notebooks that have been speculated about for a while now.

Learn more after the break.