iOS 7.0.4 is currently propagating and should be available for download soon through Software Update. It includes bug fixes, various improvements, and fixes an issue with FaceTime calls.
The new update comes nearly a month after iOS 7.0.3, which was released on October 22nd and included iCloud Keychain, improvements to Spotlight, and changes to the Reduce Motion setting in Accessibility. iOS 7.0.4 is the third public update to iOS 7, which launched for all iOS devices on September 18.