Overview of this version:
– When attaching a PDF file, you can now tap “Browse other docs…” to pick a PDF from cloud storage like Google Drive or Microsoft OneDrive (Android 4.4+).
– View PDF files you’ve sent and received by tapping Media from contact info or group info.
– View starred messages for a given chat from contact info or group info.
– When clearing a chat, you can choose to keep your starred messages.