Microsoft today updated the Lumia Camera and Lumia Camera Classic app in Windows Phone Store to v18.104.22.168. This seems to be a minor update with no new features. Also there were no change log mentioned in the listings for both these apps.
The Lumia Camera update with Moment Capture and Rich Capture will be made available for the Lumia 830, Lumia 930 and Lumia 1520 and Lumia Icon with the Lumia Denim Update, which starts rolling out later this year. Lumia Camera Classic can be downloaded from Windows Phone Store here and Lumia Camera can be downloaded here from Windows Phone Store.