Mac OS X 10.10.1 was an update to Mac OS X 10.10 released on November 17, 2014. It has the following features: * Improved Wi-Fi reliability * Improved reliability when connecting to a Microsoft Exchange server * Resolved an issue that may prevent Mail from sending messages through certain email service providers * Addressed an issue prevents connecting to remote computers using Back to My Mac * Resolved an issue where sharing services, Notification Center widgets and Actions may not be available * Addressed an issue that could cause Notification Center settings to not be retained after a restart * Addressed an issue that might prevent the Mac App Store from displaying certain updates * Addressed an issue that could prevent some Mac mini computers from waking