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Nothing Expands Android 16-Based Nothing OS 4.0 Open Beta to Phone (3a) and Phone (3a) Pro

Nothing has officially rolled out the Nothing OS 4.0 Open Beta for its mid-range lineup — the Phone (3a) and Phone (3a) Pro.

Nothing OS 4.0 Open Beta Based on Android 16 Released: Features, Supported Models

Nothing Phone (3) and other select devices from the brand have received the Nothing OS 4.0 Open Beta based on Android 16.

Nothing Rolls Out Android 16-Based Nothing OS 4.0 Open Beta; Check New Features And Here's How To Install

Nothing has clarified that the feature is entirely optional and does not collect any personal data when enabled.
Android Authority

Android 16 could borrow one of the best OxygenOS multitasking features for tablets

Google is working on letting you put three apps into split-screen mode. This feature will likely only be available on tablets due to their larger screen size. The inspiration for this feature may have ...
ExtremeTech

Google Keeps Android Open Source, But Custom ROMs Get Harder to Make

Google is not discontinuing the Android Open Source Project (AOSP), but it has made big changes that affect how Android source code is shared, especially for those who build custom ROMs of Android.