Android Studio 3.0 Canary 9 is now available in the Canary and Dev Channels, and includes various bug fixes.

 Known Issues
    • Menu bar disappears. (Issue #63743086)
    • You can no longer create new Google cloud modules–working as intended. (Issue #63974954)
      • Existing App Engine modules will continue to work.
      • For new projects, use Firebase. To learn more about integrating your Android Studio project to Firebase, read Connect to Firebase.

    Our primary focus at this stage is to stabilize Android Studio 3.0 to a beta quality release. Please keep sending your feedback by clicking Help > Submit Feedback.