If you ever tried plugging a USB hub into your HID Remapper, you know it can be problematic, some hubs don’t work at all and some are picky about the order in which you plug the devices in.
If you have a hub that currently doesn’t work and want to try something, here’s a test build of the firmware that might improve compatibility.
hid-remapper-hub-testing-1.zip (1.5 MB)
(Of course if you’re happy with your current setup, it would also be very good to verify that this test build doesn’t break anything.)