Anyone get the manual learning feature to work properly?

The fact that most of my IR remotes are not listed in the database is a little concerning. But even more concerning is that I have tried countless OEM remotes and cannot get the learning function to work consistently. Even when it says it learned the IR command, when I assign it to the X1 remote it does not work properly most of the time. Has anyone gotten it to work? The Bluetooth function/feature worked well with the NVidia Shield TV Pro, but that's about it.