Read more in the release notes here:
Android Studio 3.0 brings a ton of new features and improvements, including Kotlin support, Android O APIs, Java 8 language features support, external APK debugging, Instant Apps modules and refactoring, an integrated Android Profiler and more.
Migrating to Android Gradle Plugin 3.0.0:
Android Studio 3.0: Android Profiler:
Android Studio 3.0: Java 8 Language Features Support:
Subscribe to the Android Developers channel here: