Hello,
I do have the same thing. when upgrading to everything higher than 9.0.2 ( incl. Betas) some Remote Buttons (Hama MCE and X10) are not working anymore.
Kaymap editor is useless the buttons are getting not recognized anymore. I don't know what was changed from that point on.
If I downgrade to 9.0.2 every button works again.
Maybe someone can explain what was changed after 9.0.2?
Regards
Nicolas