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Google Chrome Incognito Shares Data


Today I was busy testing a web application I was working with. I wanted to test multiple users logged in at the same time where each user has a different role. I hoped that I could open multiple private browsing windows ctrl+shift+n to open each one and then log in on each window with a different user. Unfortunately I found that these private windows share state across one another. The last user logged in was the user that was logged into to all private windows.

This is apparently a common issue as was raised a while ago as a Chromium bug. This behaviour is done so by design. A work around is to use chrome with different profiles or use another browser that does not share some state across private browsing windows.