As they are experiencing pages such as MacRumors, web traffic with devices equipped with iOS installed 7.0.4 is growing much lately, what iOS 7.0.4 could be available soon.
People who were using iOS 7.0.4 to access the site were located near Cupertino, which surely are Apple employees who would be testing the stability of this new version of iOS until it is posted.
Obviously we cannot expect large changes in iOS 7.0.4, since some will surely solve another bug still present in iOS 7.0.3 and already is. For great news we will have to wait for iOS 7.1.
- iOS 7.0.4 released with FaceTime and security fixes (news.en.softonic.com)
- iOS 7.0.4 Rolls Out, Still No Free iOS 7 Jailbreak (iphone5newsblog.com)