Apple has officially released watchOS 2.2.2 to the public, following several weeks of beta releases for developers to test out. The new software is a marginal update to watchOS 2.2.1, which was released on May 16. The new software will include the standard bug fixes, as well as stability improvements.
The update includes fixes for more than a dozen issues identified in watchOS 2, some of which could allow an attacker to execute malicious code under specific circumstances.
For detailed information about the security content of this update, see this support doc.
Upon launching the companion Watch app on your iPhone and head to My Watch → General → Software Update to download and install the update on your wearable device. Keep in mind that your Apple Watch must be connected to its magnetic charging puck, have at least 50 percent battery and be in Bluetooth range to apply the software update.