Two examples that come to mind are: https://discuss.python.org/t/pep-692-using-typeddict-for-more-precise-kwargs-typing/17314 https://discuss.python.org/t/pep-6

Two examples that come to mind are: https://discuss.python.org/t/pep-692-using-typeddict-for-more-precise-kwargs-typing/17314 https://discuss.python.org/t/pep-692-using-typeddict-for-mor... and: https://github.com/python/typing/issues/1252 https://github.com/python/typing/issues/1252