Android Studio 3.4.1 is now available in the Stable channel.

If you already have an Android Studio build on the Stable channel, you can get the update by clicking Help > Check for Update (or Android Studio > Check for Updates on macOS). Otherwise, you can download here.

This minor release improves stability and performance, and includes fixes for the following issues:
Data Binding
  • Issue #122464849: DataBinding - Layout "class" attribute in "data" tag throws error
  • Issue #122936785: Databinding does not work with com.android.tools.build:gradle:3.4.0-beta01
  • Issue #122066788: NullpointerException in android.databinding.ViewDataBinding
Dexer (D8)
  • Issue #129362492: Studio 3.4 RC2 appears to ignore Java compatibility level for non-debug build variants, will not deploy app
  • Issue #129730297: Java 8 methods of java.lang.Long and java.lang.Character are not desugared by D8
  • Issue #129901036: NPE on workaroundExceptionTargetingLoopHeaderBug
Editing
Gradle
Layout Editor
Shrinker (R8)
  • Issue #128987064: calling class mis-attributed leading to illegal invoke-super
  • Issue #127932803: Extra rules needs to be added for keeping library dependency (slf4j) when using R8
  • Issue #130135768: The "keeppackagenames" rule does not work.
  • Issue #129410384: VerifyError: register has type Reference Object[] but expected Reference Parcelable[]
  • Issue #129935705: Make warnings for -optimizationpasses and -optimizations info
For information on new features and changes in all releases of Android Studio, see the Android Studio release notes.

We greatly appreciate your bug reports, which help us to make Android Studio better. If you encounter a problem, let us know by reporting a bug. Note that you can also vote for an existing issue to indicate that you are also affected by it.