Android Studio 3.4 Release Candidate 2 available

Android Studio 3.4 Release Candidate 2 (RC2) is now available in the Beta channel.

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

General fixes

This update includes fixes for the following public issues:
Build

• Issue #123895238: Execution failed for task ':app:generateJsonModelDebug' Format specifier '%s'

Shrinker (R8)

• Issue #127691114: R8 is incompatible with library android-retrostreams
• Issue #126592786: Incorrectly removing refrenced class
• Issue #126871526: New bots cannot archive
• Issue #128387933: Missing class when using ORMLite with custom persister class
• Issue #126443924: transformClassesAndResourcesWithR8 failed java.lang.IllegalStateException

Core IDE

• Issue #127878116: Updating from 3.4-BETA5 to 3.4-RC1 couldn't import previous configuration

Data Binding

• Issue #120277395: AndroidX compilation failure: "cannot generate view binders: Stream closed"

Layout Editor

• Issue #124232637: Property Panel: false negative error shown for listitem
• Issue #124254043: RecyclerView tools attributes are not available during completions

New Project Wizard

• Issue #127210786: Incorrect mParentActivity Type via Master/Detail Activity Wizard

Gradle Sync

• Issue #127776612: Cached sync does not complete with failure if crashes

For information on new features and changes in all preview builds of Android Studio 3.4, 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.