For example, "Hi -> Hello [User]" will make Ragebot greet the user who triggers the subtitution.

The full list can be found here.
"Display" is a feature that is long overdue.
You can write "Display" in front of a command that supports customizable text ✍︎ to make Ragebot show the text as it was written - for example, "Display Rules", or "Display Trigger" will show inserts in their respective [brackets], and you will be able to see any "roll" variations you have set up.

Additionally, you can now check the message that has been set for disallow joining ★ and the goodbye message ★.
This makes it easy to copy-paste and make any changes.
★ = Premium-only feature.