It's six weeks after we forked httpx and named our package httpxyz. Yesterday, the Pydantic people started their own fork, httpx2.
TL;DR: while we think httpxyz was definitely needed, we welcome httpx2 and think it should be the 'blessed' fork.
TypedDict now controls both key requiredness and whether extra keys are allowed, with Python 3.15 adding closed TypedDict behavior to restrict unknown keys.