You buried the lede here:
> Well, in December 2012, AgileBits changed the format of their keychain from the Agile Keychain, to OPVault. So how is this new format? Well the first thing is that you cannot use 1PasswordAnywhere with this format any longer.
And:
> Let me summarise: Do not use the Agile Keychain format. It leaks your data. If you are using it, convert it to the OPVault format immediately.