Typing indicators let you see and share when messages are being typed. They appear as animated dots within a conversation thread and indicate when someone is replying to a message.
Typing indicators are completely optional, and they can be enabled or disabled at any time.
How do I enable or disable typing indicators?
Signal Settings > Privacy > Typing Indicators
What happens when I disable typing indicators?
Your contacts will not see when you are typing, and incoming typing indicators will not be displayed.
How are typing indicators sent and received?
Typing indicators are exchanged via the same Signal Protocol messaging channel that protects conversations and calls. They are also sent using sealed sender whenever possible.