As I've pointed out elsewhere in these comments, XPC isn't required for supporting plugins in a sandboxed application, and it's possible for plugins to exist wi

As I've pointed out elsewhere in these comments, XPC isn't required for supporting plugins in a sandboxed application, and it's possible for plugins to exist within a signed and sandboxed app's bundle: http://news.ycombinator.com/item?id=3193354 http://news.ycombinator.com/item?id=3193354 http://news.ycombinator.com/item?id=3193379 http://news.ycombinator.com/item?id=3193379 http://news.ycombinator.com/item?id=3193404 http://news.ycombinator.com/item?id=3193404