<strong>I just tried SQLcl latest version 21.2.
First results: The registering of my custom commands with below library doesn't work anymore.
Could be my bad, in which I'll try to fix it, could be something in SQLcl. I don't know yet, have to investigate as soon as I have the time.
For now: Either don't use this library, or stick to 21.1.1 until the root cause is fixed.</strong>