Open Recent topics from the left sidebar or by pressing the Esc key.

Click on the name of a topic in the Topic column.

Read the topic, scrolling down with the mouse or by pressing Fn + ↓.

If the topic is not of interest, you can mark all messages as read or do so by jumping to the end using the End key.

You can then click on another topic in the left sidebar, use the n key to go to the next unread topic, or go back to the Recent topics view.

Click on the name of a stream in the left sidebar. You will see a list of the most recent unread topics in that stream.

Click on a topic in the left sidebar.

Read the topic, scrolling down with the mouse or by pressing Fn + ↓.

If the topic is not of interest, you can mark all messages as read or do so by jumping to the end using the End key.

Click on the next topic in the left sidebar, or use the n key to go to the next unread topic.

To go to older unread topics, use the n key or click "more topics" to view.