You can send empty messages in chat
94132
I can enter U+0008 (backspace character) into a chat message
6847
How to re-open a Messages conversation?
145839
Disable flagging on old chat messages
10565
Keyboard shortcuts for chat
123916
Chat suspension message is unreadable in rooms parented to a beta site
110851
Mobile chat "you have been suspended" notification is too ambiguous
133976
Are expletives allowed in SE chat?
124506
My chat WebSockets are getting closed; what gives?
89911
Transparent cancel editing button in chat
36373
Hide specifics messages in chat
83092
See all unread inbox messages
79616
bug in user image in chat
72655
Chat room links with text after them get converted into one-boxes
874
Allow cancelling of stars from message
97699
How do you delete a room on chat?
63733
Deleted chat messages still show links if they refer to another message
125234
Contacting someone unannounced via chat