Android 15 Beta 4 Now Available for Developers to Bring their Apps Up to Date
Briefly

Android 15 beta offers developers a chance to test new features and APIs, encouraging feedback to improve app compatibility before the official rollout.
The behavior change to the 'package stopped' state ensures that apps are halted until a user interacts, canceling pending intents and disabling widgets.
With support for 16 KB memory pages, Android 15 enhances performance, enabling faster app launches and lower power usage, albeit with increased memory consumption.
Private spaces enhance user privacy, requiring authentication to protect sensitive information, effectively pausing all related app activities when locked.
Read at InfoQ
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