Cross origin navigation will do a process swap, but cross origin window.open()s will not, they are different flags, the former is on by default, the latter is n

Cross origin navigation will do a process swap, but cross origin window.open()s will not, they are different flags, the former is on by default, the latter is not: https://github.com/WebKit/WebKit/blob/74f89d607e2abbf27a8cd14bbb08de04298b5671/Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml#L5313-L5339 https://github.com/WebKit/WebKit/blob/74f89d607e2abbf27a8cd1...