CL-STOMP:ACK does not actually work (patch inside).
The ACK
method inside this package doesn't actually work. I've attached a patch to fix it here, since it wasn't possible to fork the project due to GitLab project limits (?). (See the patch commit message for more information.)
0001-Make-CL-STOMP-ACK-actually-work-following-the-1.2-sp.patch