[rbanffy]

> they can provide these tools only as supplements (and not replacements) of the Python built-in `dict`.

Maybe they’ll walk back on that if there is a compelling new implementation that isn’t ordered. Or they keep dict as is and use the better implementation for internal dict-like structures.

[zem]

or add an unordered_dict that people can opt in to if they want the higher performance and don't need the order guarantees. I think having the ordered dict be the default is more useful in the general case.