We are having the same problem, using r227 and running our game in Safari on iOS 9.
- When using the Browser object's "Open URL in new window", nothing happens. It should open the url in a new window.
- But when using the Browser object's "Go to URL" with Target self, then it goes to that url in the same window, as expected.
The problem is that in iOS 9, in the Safari settings, "Block Pop-ups" is enabled by default.
If I disable this setting, then Safari shows the "This site is attempting to open a pop-up window" alert, and you can either choose "Block" or "Allow".
But if the setting is enabled, then it just silently fails without any notice.
If C2 can open a new window without triggering iOS 9 Safari's pop-up blocker (like a regular html link with target="_blank"), then that would be very helpful.
FYI, I do NOT have any iOS 9 content blockers installed.