Apple on Tuesday publicly released iOS 9.2.1, a maintenance and security update for iPhone and iPad that addresses some minor issues, most notably a problem that could halt app installations for enterprise customers.
Source: APPLE INSIDER

Aggregating the Future
Apple on Tuesday publicly released iOS 9.2.1, a maintenance and security update for iPhone and iPad that addresses some minor issues, most notably a problem that could halt app installations for enterprise customers.
Source: APPLE INSIDER