If you are a custom ROM user, chances are that you have heard of a neat little app called CyanDelta Updater.
The app lets you download OTA updates for ROMs, and flashes it, thus allowing users to save precious data (bandwidth) which would have otherwise been wasted for downloading the Full ROM file.
The app was updated to v0.9 yesterday, which brings in a Material Design UI. Check the above image, to see what it looks like now.
And this is what it looked like prior to the update:
The v0.9 update also includes a few bug fixes, and improves the download speed for delta updates.