The Chromecast device has been updated to build 16664. This update will be rolled out over the next week, and you should receive the update automatically. The update contains the following changes:
  • Bug fixes and stability improvements
  • Chromecast audio volume level is retained across sessions
  • Improved IPv6 support
  • Improved DNS robustness
More information about the Chromecast device is available on the Chromecast site.

Roshan Baliga
Google Chromecast