Got a new Macbook Pro 13 with Mavericks. Using latest versions of 1Password 4 (release) all around. Able to sync with iPhone on IOS 7.03 but not with iPad on 7.03. Error message tells me to enter the secret from the computer, which is already entered and visually verified.
All devices are on the same wifi network. The iPad can see the Mac in the wifi sync list but consistently gets the error.