If you follow me on Twitter (or any of the PhoneGap accounts) then you already know this, but for folks who may have missed it, PhoneGap is now at version 1.6. I'm unofficially naming this version Borg Queen. (Don't ask why - there is no reason.) For full details about what changed, see the team's blog post. There are two items in particular you want to pay attention to.
First - there is now a workaround for the iOS 5.1 local storage bug that turned local storage into local nothingness. (Very zen.)