You know the chat box where you watch text scroll in the client? If you type something out and copy it, you can then paste it into the chat box and the text will show up. Other players can't see it of course, but it didn't seem intentional to me.
If you've got a toon that opens a door and passes through it, if that doorway is trapped and the trap kills them, they'll return to life with a displayed health of 0. Mechanically, they still appear to have the normal amount of health recovered on respawning, but they'll appear to be sitting at zero.
Running on windows 10.