Mac OS X 10.8.1 was an update to Mac OS X 10.8 released on August 23, 2012. It included general operating system fixes that: * Resolve an issue that may cause Migration Assistant to unexpectedly quit * Improve compatibility when connecting to a Microsoft Exchange server in Mail * Address an issue playing audio through a Thunderbolt display * Resolve an issue that could prevent iMessages from being sent * Address an issue that could cause the system to become unresponsive when using Pinyin input * Resolve an issue when connecting to SMB servers with long names * Address a issue that may prevent Safari from launching when using a Proxy Automatic Configuration (PAC) file * Improve 802.1X authentication with Active Directory credentials.