Always good to be on the latest version of IDE to explore most latest available features.
Google has pushed Android Studio 4.0 to a stable channel with even more useful additions and needed fixes. Android Studio 4.0 includes these new enhancements & features:
Design
Motion Editor: a simple interface for creating, editing, and previewing MotionLayout animations
Upgraded Layout Inspector: a real-time & more intuitive debugging experience
Layout Validation: compare your UI across multiple screen dimensions
Develop & Profile
CPU Profiler update: improvements to make the UI more intuitive to navigate and the data easier to understand
R8 rules update: smart editor features for your code shrinker rules, such as syntax highlighting, completion, and error checking
IntelliJ IDEA 2019.3 platform update with performance and quality improvements
Live Template update: Android-specific live templates for your Kotlin code
Clang support: Clangd and Clang-Tidy turned on by default
Build
Build Analyzer: understand and address bottlenecks in your build
Java 8 language support update: APIs you can use regardless of your app’s minimum API level
Feature-on-feature dependencies: define dependencies between Dynamic Feature modules
build features DSL: enable or disable discrete build features, such as Data Binding
Kotlin DSL: essential support for Kotlin DSL script files
For a Full list of changes refer: release note You can download Android Studio 4.0 from Android Studio Page. If you are using a previous release of Android Studio, you can simply update to the latest version of Android Studio.