I'm not sure that this API is a good thing. That is already a pain in the ass when webapp are only working in a single tab and kind of log you out of other tabs

I'm not sure that this API is a good thing. That is already a pain in the ass when webapp are only working in a single tab and kind of log you out of other tabs. Also, when you have a lot of tabs, I can easily see web page strangely broken.