Apple released OS X 10.5.2 update

Apple released today an update to OS X (10.5.2) that fixes many bugs in almost all the areas of the operating system. It's size is almost 200MB, but there is also a second update for the graphics, about 50MB.

According to Engadget, the most importand changes are:

AirPort: Improves connection reliability and stability, more.
Dashboard: Widget performance improvements (as in Dictionary), more.
Dock: Updates Stacks with a list view and folder view options, and an updated background for grid view.
Mail: Improved data detector accuracy, hurts Growl users in disabling GrowlMail version 1.1.2 or earlier (to avoid issues), but also has tons of other fixes.
RAW support: Now supports more RAW formats / cameras (presumably more on Apple's site).
Time Machine: Adds a menu bar option for accessing Time Machine features (the menu extra can be enabled in Time Machine preferences), among other things.