Owners of Google Glass are reporting that Google is rolling out the device's first software update, and changing the version name to XE5.
According to Phandroid, the update's improvements include bug fixes, optimizations and improvements. What's more, data syncing in the background now requires power and Wi-Fi connection, transcription of queries and messages is faster, and the battery-charge estimation has been improved.
The new features include incoming Google+ and Hangout notifications, with the ability to comment and +1 posts directly through Glass.
The update can be received over-the-air; to initiate it, the device must be plugged into a charger.