The Message App Shows the Numbers

If you check your iCloud settings in System Prefs you'll probably find that your contacts box is not check. If you try to check it you'll probably find that it wont hold. This is the issue I am currently dealing with and am assuming is why only numbers show up in iMessage. Anyone have any insight?

I'm seeing the same issue; Messages isn't linking the contacts to the phone numbers.

Contacts are being sync'd in iCloud preferences, and they are there (with the correct phone numbers) in the Contacts app.

Not sure if this is a widespread problem but it looks like a bug and will hopefully be fixed soon.