AgileBits has released new details on 1Password 4 (via MacWorld), the next major update to its popular password managing software 1Password. The forthcoming update includes features such as iCloud syncing, the ability to tag items as favorites, and support for multiple accounts on a single website. New options and fields such as loyalty programs and drivers licenses are being added, and custom fields for login and data items will be supported. 1Password 4 also includes security features such as the ability to send information from the program between iOS and Mac through encrypted iMessage and emails,