Apple has released iTunes 10.2.1 and a Java update.
iTunes 10.2.1 is designed to let you sync with your iPhone, iPad, or iPod touch with iOS 4.3. Apple says it also offers improved Home Sharing.
Apple has also updated Java for Mac OS X 10.5.8 and 10.6.6, including server versions for both. They’re security updates.
You can obtain the updates via the Software Updates component of Mac OS X’s Systems Preferences app.