When you have a chat open, switching tabs will yield that open chat instead of the list. Steps to reproduce: 1. Open "Contacts" tab 2. tap any contact to open a chat with them 3. Open "Chats" tab 4. tap any chat (could even be the same as in 2) 5. Tap "Contacts". Expected view: Contacts tab. Actual view: chat with your contact 6. Tap "Chats". Expected: list of chats. Actual: chat with somebody