Apple has released a bug fixes iTunes 10.2.1, one week after the release of version 10.2 which is required for the coming iOS 4.3. You can download the update from the usual Software Update. iOS 4.3 is slated to release together with iPad 2 on March 11.
Apple also release update to Java for Mac OS X for both 10.5 Leopard and 10.6 Snow Leopard. The update improves compatibility, security and reliability running Java apps on Java Virtual Machine. These are updates from Apple directly. Apple will drop its own Java for Mac OS X Lion, instead Oracle will supply Java runtime for the next iteration of Mac OS X.