• Addresses an issue that may cause the system to become unresponsive when playing a video in Safari.
• Resolves an issue that may cause system audio to stop working when using HDMI or optical audio out
• Improves the reliability of Wi-Fi connections
• Resolves an issue that prevents transfer of your data, settings, and compatible applications to a new Mac running OS X Lion.

更多发布信息：
http://support.apple.com/kb/HT4764.

下载:

• OS X Lion 10.7.1 Update (Client)
• OS X Lion 10.7.1 Update (Server)
• OS X Lion 10.7.1 Update for MacBook Air and Mac mini 2011 (Client)
• OS X Lion 10.7.1 Update for Mac mini 2011 (Server)