ComPtr support class template argument deduction (CTAD)?
It tries too hard and accidentally breaks CTAD.
CComPtr support class template argument deduction (CTAD)?
It actually works right out of the box.
IPTR/CIP support class template argument deduction (CTAD)?
Not very well, thanks to requiring the interface ID to be specified explicitly.
_com_ptr_t support class template argument deduction (CTAD)?
Not very well, thanks to storing the pointer and IID pair in a helper type.
How well do these libraries support a feature that likely didn't exist at the time they were written?
The pocket reference guide for 2024/2025.
Forcing a copy with a minimum of typing.
co_awaiting it
A generalization of the ground rules of programming.
std::move?
You can turn it into a const thing so it's no longer movable, in a conventional sense.
A bit of a typing saver, particularly with complex machine names.