The highly-anticipated iOS 7.1 update could be landing any day now, according to a new report by Daring Fireball's John Gruber. The long-time Apple speculator and dot-connector has in the past proven to have knowledgeable sources that work inside the company.
Gruber says that a 'little birdie' has informed him that the app for Apple's upcoming iTunes Festival at SXSW in Austin, which will be used for providing information and streaming live performances, will require iOS 7.1. Thus the update should ship any day now...