The Mountain Lion 10.8.1 update also corrected a problem with playing audio through a Thunderbolt display, fixed SMB server connection issues, fixed a problem where Safari could fail to launch when using Proxy Automatic Configuration (PAC) files, improved wireless network authentication when using Active Directory credentials, and fixed an issue where the system could stop responding when using Pinyin input.
Mountain Lion is priced at US$19.99 and is available through Apple’s Mac App Store. The 10.8.1 update is free and available via the Software Update option in OS X’s App Store app.