Apple released the first beta of iOS 6.1 to developers yesterday. It's still early, obviously, but we've already discovered a handful of changes in the new firmware, including revamped Lock screen music controls.
And, as a reader has pointed out to us, iOS 6.1 also adds a new "Report a Problem" button to the stock Maps app. It replaces a smaller bug reporter link, and signifies Apple's commitment to making Maps better...