I don't see why the Kodi devs would care as it has nothing to do with Kodi (except perhaps mapping for the peripheral.input addon). It's not really an "issue" either, it's just that the kernel driver was a big mess before and now they cleaned it up and added functionality. The touchpad even works as a mouse now. Mappings and auto configurations need to be updated.
Here's my mappings for RetroArch and Kodi peripheral.input addon: