All com.android.support libraries must use the exact same version specification

Question

After updating to android studio 2.3 I got this error message. I know it\'s just a hint as the app run normally but it\'s really strange.

All com.andr

Answer 1

Open the external library of your project you will see that some library still using previous version although you didn't mention those library so my suggestion is just use the particular library version for those it will solve your problem.