NewMicrosoft Edge · Workspaces
Microsoft Edge: Inline Switching for Workspaces
Microsoft Edge is introducing Inline Switching for Workspaces, enabling users to manage multiple Workspaces within a single browser window with automatic tab, theme, and context swapping. This feature is currently in development and will provide IT admins with enhanced workspace management capabilities when generally available.
Microsoft's description
Workspaces Inline Switching manages multiple Workspaces in a single window. Selecting a Workspace swaps in its tabs, theme, and context, with an easy return to the default space.