Android Studio 3.4 Canary 4 is now available in the Canary and Dev channels.

If you have Android Studio set to receive updates on the Canary or Dev channel, you can get the update by choosing Help > Check for Updates (Android Studio > Check for Updates on Mac). Otherwise, you can download it here.

This update includes the following new features and changes in behavior:
  • If using experimental DSL block postprocessing options, tree shaking is enabled by default.
  • In your DSL, using android.getBootClasspath() will now return the correct bootclasspath in cases when Java 8 language features are used.

This update includes fixes for several bugs, including the following:
  • Guava-inspection was not reporting certain errors related to minSdkVersion.
  • Layout preview pane would be blank when an XML layout file contained a custom view that threw an error.


For information on new features and changes in previous releases of Android Studio, see the Android Studio Preview release notes. For details of bugs fixed in each preview release, see previous entries on this blog.

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.