MvvmCross 5.7.0
This is a service release to the MvvmCross 5 series. This update contains the following:
- Updates TargetFramework for Android projects to v8.1
- Updates Android Support packages to version 27.0.2
- Updates Android Google Play services to version 60.1142.0
- Updates Xamarin.Forms to version 2.5.0.280555