I reproduced this issue on an affected Nightly build from 2024-06-11 on Windows 10. Verified as fixed on Windows 10 and Windows 11 using Firefox 128.0b5 (20240619092300) and Firefox Nightly 129.0a1 (20240620040816). With browser.privateWindowSeparation.enabled set to false, there is no separate taskbar icon; normal and private windows are grouped under one icon. On Ubuntu and macOS, regardless of the state of the pref, there is only one icon for both normal and private windows. Is this expected? Even though I am pretty sure this is a Windows-specific issue, could you please confirm this so I can mark this as verified?
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I reproduced this issue on an affected Nightly build from 2024-06-11 on Windows 10. Verified as fixed on Windows 10 and Windows 11 using Firefox 128.0b5 (20240619092300) and Firefox Nightly 129.0a1 (20240620040816). With browser.privateWindowSeparation.enabled set to false, there is no separate taskbar icon; normal and private windows are grouped under one icon. On Ubuntu and macOS, regardless of the state of the pref, there is only one icon for both normal and private windows. Is this expected? Even though I am pretty sure this is a Windows-specific issue, could you please confirm so I can mark this as verified?