In my team, multiple people work on automation flows simultaneously. At first, we all used the same browser environment for testing — which led to chaos:
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Sessions kept invalidating.
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One teammate’s login would kick another out.
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Hard to know if bugs came from the workflow logic or just session conflicts.
We fixed this by introducing profile isolation.
Now, each teammate has their own browser profile (we use Hidemium to manage this). That means:
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Each person tests in their own “sandboxed” environment.
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Cookies, fingerprints, and login states are completely independent.
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n8n orchestrates the same flow, but the context differs per user.
It’s been a game-changer. Not only are conflicts gone, but we can also reproduce bugs more easily: “Run it in Profile A and see if it fails; now run it in Profile B.”
For anyone working in a team with n8n, I’d highly recommend setting up profile-based isolation. It keeps collaboration smooth and prevents a lot of invisible errors.