-----------------
* Implement ``__format__`` for ``Fraction``, following
https://github.com/python/cpython/pull/100161
* Implement ``Fraction.is_integer()``, following
https://github.com/python/cpython/issues/100488
* ``Fraction.limit_denominator()`` is faster, following
https://github.com/python/cpython/pull/93730
* Internal creation of result Fractions is about 10% faster if the calculated
numerator/denominator pair is already normalised, following
https://github.com/python/cpython/pull/101780
* Built using Cython 3.0.0b1.