If you enter the software update tool included in Lion you will be able to download the new update that Apple has just published and that corresponds to the OS X 10.7.1 version. Below you have the list of improvements included:
- Addresses an issue that could cause the system to become unresponsive when playing a video in Safari.
- Addresses an issue that could cause system audio to stop working when using HDMI or optical audio output.
- Improves the reliability of Wi-Fi connections.
- Fixes an issue that prevented the transfer of compatible data, settings, and applications to a new Mac running Mac OS X Lion.
As the update improves the stability and performance of the operating system, we recommend that everyone update as soon as they have free time.