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In Windows 11 when i have 2+ tabs open in Firefox, it does not Maximize when i press the taskbar button

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In Windows 11 when i have 2+ tabs open in Firefox, it does not Maximize when i press the taskbar button.

In Windows 11 when i have 2+ tabs open in Firefox, it does not Maximize when i press the taskbar button.

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I cannot replicate the issue on Win11 using 92, 93, Nightly, nor Dev version. How about in safe mode or from another user account on the same pc?

Edition Windows 11 Pro Version 21H2 Installed on ‎03-‎Jul-‎21 OS build 22000.194 Experience Windows Feature Experience Pack 1000.22000.194.0