User interfaces for messages

An electronic device, comprising:

• one or more processors;
• memory;
• and
• one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for:
• displaying, via a display generation component, a messaging user interface including a plurality of representations of a plurality of messages in a messaging conversation, including a representation of a first message, wherein the first message was added to the messaging conversation by a respective electronic device;
• while displaying the messaging user interface, receiving, via one or more input devices, a sequence of one or more inputs for adding a second message to the messaging conversation as a reply to the first message;
• and
• in response to receiving the sequence of one or more inputs for adding the second message to the messaging conversation as the reply to the first message:
• updating the messaging user interface to add a representation of the second message and a first visual indication connecting the representation of the first message and the representation of the second message, wherein:
• in accordance with a determination that the messaging conversation includes two participants, the first visual indication connecting the representation of the first message and the representation of the second message is aligned with the representation of the first message and the representation of the second message, and
• in accordance with a determination that the messaging conversation includes three or more participants, the first visual indication connecting the representation of the first message and the representation of the second message is aligned with a visual representation of a participant displayed and associated with the representation of the first message and the representation of the second message.

A non-transitory computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by one or more processors of an electronic device, cause the electronic device to perform a method comprising:

• displaying, via a display generation component, a messaging user interface including a plurality of representations of a plurality of messages in a messaging conversation, including a representation of a first message, wherein the first message was added to the messaging conversation by a respective electronic device;
• while displaying the messaging user interface, receiving, via one or more input devices, a sequence of one or more inputs for adding a second message to the messaging conversation as a reply to the first message;
• and
• in response to receiving the sequence of one or more inputs for adding the second message to the messaging conversation as the reply to the first message:
• updating the messaging user interface to add a representation of the second message and a first visual indication connecting the representation of the first message and the representation of the second message, wherein:
• in accordance with a determination that the messaging conversation includes two participants, the first visual indication connecting the representation of the first message and the representation of the second message is aligned with the representation of the first message and the representation of the second message, and
• in accordance with a determination that the messaging conversation includes three or more participants, the first visual indication connecting the representation of the first message and the representation of the second message is aligned with a visual representation of a participant displayed and associated with the representation of the first message and the representation of the second message.