Apple OS 10.9 Mavericks compatibility for X-Rite color solutions.

The recently released Apple OS 10.9 Mav­er­icks may expe­ri­ence com­mu­ni­ca­tion issues with X-Rite instru­ments. To resolve these  issues, users need to update to the lat­est X-Rite Device Ser­vices (XRD v2.3.2) dri­ver soft­ware.
To down­load: X-Rite Device Ser­vices (MAC only) ver­sion: 2.3.2 click here.

Here’s the com­pat­i­bil­ity chart:
UPDATE_ Mavericks compatibility for X-Rite color solutions
And here’s a handy chart with all the cur­rent i1Pro 2 Solu­tions:
i1Pro 2 Solutions - The new standard for Color Perfectionists.

More info is avail­able here.