Require signed and encrypted call audio/video using static identity keys. Fix attachment service ID collisions and media download handle lifetime; isolate LAN tests and audit the shared service registry.
Delete local conversations atomically, retain replay protection and sequence counters, and guard asynchronous media work by history generation. Add Android avatar menu and confirmation, persistent file cleanup, and regression coverage.
Fix unnamed member wire padding and compact Android member action spacing.
Validation: 158 core tests passed; targeted DM tests, desktop build, Android unit tests and debug APK build passed.
evgeny