Apple today released iOS 7.1.2.
iOS 7.1.2 contains bug fixes and security updates, including:
• Improves iBeacon connectivity and stability
• Fixes a bug with data transfer for some 3rd party accessories, including bar code scanners
• Corrects an issue with data protection class of Mail attachments
For information on the security content of this update, please visit this website: http://support.apple.com/kb/HT1222