It's been at the top of their public feedback request page for ages: https://excel.uservoice.com/forums/304921-excel-for-windows-desktop-application/suggestions

It's been at the top of their public feedback request page for ages: https://excel.uservoice.com/forums/304921-excel-for-windows-desktop-application/suggestions/10549005-python-as-an-excel-scripting-language https://excel.uservoice.com/forums/304921-excel-for-windows-... They did officially respond in 2018 and put out a survey for thoughts, don't think they've followed up since but they definitely know demand is there.