Android 17 Beta 4 arrives with post-quantum cryptography and new memory limits

Android 17 Beta 4 is the final scheduled beta focused on app compatibility and platform stability; developers are urged to test and update SDKs, libraries, and tools. Notable changes include expanded Safer Dynamic Code Loading protections to native libraries, Certificate Transparency enabled by default, default blocking of local network access with a new ACCESS_LOCAL_NETWORK permission, background audio restrictions, per-app memory limits with Trigger-based profiling, an on-device anomaly detection service integrated with ProfilingManager, and support for NIST-standardized post-quantum ML-DSA in the Android Keystore.