Major App crash issues.
Media files upload issue.
Push notification tones not working.
Adding same contacts multiple times in group.
Group chat number of participants issue.
Message duplication issue.
Registration page UI changed.
Font size updated.
Voice messages by recording through microphone.
Implemented lock and secret chat.
Web login using QR code.
Data usage management.
Mute, block and clear chat.
Chat back up through E-mail.