Re: [webkit-dev] Getting rid of WebCore.xcodeproj developmentRegion diff

No, it's also added by versions of Xcode 3.x (some of which may not have been released yet). Simon On Aug 17, 2010, at 11:41 AM, Jeff Johnson wrote:

Actually, this is caused by Xcode 4 (still in beta).

See rdar://problem/8295614 Xcode 4 fights with Xcode 3 over developmentRegion