Much of Android's development is done out in the open, which is how several Android developers noticed that a recent commit to the Android Open Source Project master tree would break many of your favorite root apps. This is the result of a newly implemented security feature, rather than an active effort to lock things down on Google's part. Nevertheless, it could result in some inconvenience, so developer Chainfire has taken to his Google+ page to detail what will happen if the change is not reverted before the release of a future version of Android.
January 20, 2014
A Future Version Of Android Could Potentially Break A Large Number Of Root Apps, Chainfire Explains
Read more at Android Police