There's some indication this may be a regression in PhoneGap 1.1.0, or with XCode 4.2 and the new iOS SDK, or some combination.
See links on https://github.com/brion/Wikipedia/commit/e17f9b16c09324afd82af9bce10424d1c0547d07
Version: 1.0.0 (Android)
Severity: normal