The Fourth Beta of Android 15

Android 15 Beta 4 is the final scheduled update before non-beta users receive the release. This beta includes the latest fixes and optimizations for developers to finalize their testing. Notable changes include the removal of the PNG-based emoji font, requiring developers to adapt their apps using various methods. Developers of SDKs, libraries, and game engines are urged to prepare updates to prevent compatibility issues for downstream app and game developers. App testing involves installing the production app on Android 15 Beta 4 devices and monitoring for functional or UI issues, with a focus on behavior changes that apply even if the app doesn't target Android 15. New platform features in Android 15 include predictive back animations, improved low-light camera capabilities, a variable font for CJK languages, and insights into app startup. Apps targeting Android 15 will draw edge-to-edge by default, and developers should ensure their apps handle insets correctly. Generated previews allow app widget providers to create RemoteViews with live content and accurate device theming. To get started with Android 15, developers can enroll supported Pixel devices or use the Android Emulator in Android Studio. Android Studio Koala is recommended for the best development experience, enabling developers to try new features and APIs, test compatibility, and update apps with the Android SDK Upgrade Assistant. Beta system images and SDKs will be updated regularly throughout the remaining Android 15 release cycle.