It seems to work... not amazing, but okay, in windowed mode (settings, disable fullscreen). It still needs a "not ten foot" mode and proper scroll wheel support

It seems to work... not amazing, but okay, in windowed mode (settings, disable fullscreen). It still needs a "not ten foot" mode and proper scroll wheel support, but the mouse actually works with it by default, and it seems to have finally fixed the previously XBMC-derived trait of hidden menus and options with no on-screen controls for them.