Apple has released Mac OS X Yosemite 10.10.1 and iOS 8.1.1. According to Apple, in addition to improving Wi-Fi reliability, OS X Yosemite 10.10.1 – a free update at the Mac App Store — improves reliability when sending Mail messages with certain email service providers and improves reliability when connecting to a Microsoft Exchange server.

According to Apple’s release notes, other fixes include:

° Resolution for an issue where sharing services, Notification Center widgets and Actions may not be available

° Addressed an issue that could cause Notiication 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 from sleep;

° Resolved an issue that might prevent Time Machine from displaying older backups;

° Addressed an issue that might prevent entering text in Japanese.

For enterprise customers, OS X Yosemite 10.10.1

° Allows you to append search domains for partially qualified domain names when performing DNS lookups (consult the discoveryd man page for more information);

° Addresses an issue where the Mac App Store might offer an update to Apple Remote Desktop when the latest version is already installed.

iOS 8.1.1 includes bug fixes and offers increased stability and performance improvements for both the iPad 2 and the iPhone 4s. It’s available as an over-the-air download via the iOS Settings app.

Apple has also released an update for the Apple TV (7.0.2), but hasn’t said what the update involves. However, you can download it via the Settings app on the set-top box.