Win 11 on Parallels - Shortcuts no longer working

Hello,

I have been successfully using Studio on Parallels for years. However, recently Windows 11 (Windows 11 Home) updated and now some keyboard shortcuts no longer work (those involving the Fn key).

For example, I am trying to change case in the target segment, which is SHIFT+F3 in Windows and hence Fn (Option) +SHIFT+F3 in Parallels. However, this no longer works (and I can't find a menu item to change this manually)

Another example: previously, Fn+Enter switched from OVR (overwrite mode) to INS (insert mode), and also no longer works. I have contacted Parallels Support but they have been useless. 

If it can be of any help, on Mac I am working with Microsoft Office 365 and to change case now I have to press Option-Command-C in Word.

I am using an Italian keyboard.

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