Feature Request: Native Multi-Container Tabs (Session Isolation) for Edge Workspaces and Tab Groups
Microsoft Edge developer team, As a developer who regularly tests complex web applications locally and on staging environments, I rely heavily on Microsoft Edge's Tab Groups and Workspaces to keep my projects organized. However, testing multi-role workflows—such as simultaneously testing Admin, Manager, and Standard User accounts on localhost—is currently very frustrating. When logging into a secondary account in another tab within the same Edge window, the newly created authentication token overwrites the existing cookies, localStorage, and session context across all open tabs for that domain. This causes the first tab to automatically switch sessions upon refresh or navigation, breaking side-by-side workflow testing. Mozilla Firefox solves this problem cleanly with Multi-Account and Temporary Containers, allowing tabs inside the same window to maintain fully isolated storage contexts. Bringing native container tabs or tab-level session isolation to Microsoft Edge, especially tightly integrated with Tab Groups, would eliminate the need to run multiple heavy browser profiles or separate windows. It would make Edge the absolute premier browser for developers, QA engineers, and power users who manage multiple user roles daily. Please consider adding tab-level container isolation to the Edge product roadmap.Less than a week for the .NET Conf Student Zone!
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