whether it has anything to do with the client. We can see the echo when the command is sent to the mud in a log.

I'm not sure if this is related or not, but curious if anyone else has seen this issue:

It's probably happened 5-10 times that I've noticed over the last several years. I input a command, command is sent to mud, a new prompt comes up (indicating that the MUD got the command, but nothing happens. Command is essentially ignored other than getting a prompt update. Don't remember the commands, but pretty sure they weren't the same. I remember it happening in combat a couple times, but can't say it hasn't happened out of combat.