Conversations and whole channels can now be locked with a personal six-digit PIN, set by each person — on the web with the Lock PIN icon beside your name, in the phone app in Menu › Settings › Lock PIN.
- Ask again every time, when I leave, or after 5, 15, 30 or 60 minutes.
- Admins and the owner lock channels on the website, with a switch for whether agents with a PIN may open them.
- In the phone app, Face ID or a fingerprint opens a locked conversation once Open locked chats with … is switched on.