If you encounter a "Connection Refused" error while downloading components after installation:
Version 4.0.1 maintained the major tools introduced in the 4.0 branch: Android Developers Blog Motion Editor: android studio 4.0.1 download
This version expanded support for using Java 8 language features without requiring a minimum API level for your app, thanks to a process called API desugaring. This allowed developers to use modern code structures like streams and lambdas while still targeting older Android devices. Smart Editor for Jetpack Compose: If you encounter a "Connection Refused" error while
Verifying a UI's hierarchy in real time became much easier. Android Studio 4.0.1 included a revamped Layout Inspector that provided 3D representations of the view stack and live updates directly from a running device, drastically shortening the debugging loop for UI glitches. Java 8 Language Features: Android Studio 4
As a maintenance release, 4.0.1 included critical general fixes and improvements inherited from the 4.0 milestone: