Charles Milette

If no accent color is passed, you get a default gray-ish color.

Are you using 2023.1?

Your download is probably corrupt, please try redownloading

Is this fixed if you enable Show taskbar line?

Yes, that's the one

On the normal Windows 11 taskbar, there is this line:  The option hides it by hiding the WorkerW child window of the taskbar, whose sole purpose normally on SV2...

This is normal Windows behavior because the start button is in a "clicked" state.

Aren't there programs to modify the appearance of the start button already? Feels a bit out of scope for TranslucentTB

This does not sound like a TranslucentTB bug. Does it occur even when TranslucentTB isn't running?

Looks like we need to also special case the WinUI 3 IBindableIterable and IBindableIterator interfaces, right now we only do it for system XAML: https://github.com/microsoft/cppwinrt/blob/6ce4fa91bb98763c099e24a744b3234f6b23727c/cppwinrt/code_writers.h#L1456 Should be fairly trivial to...