1.19 (2024-11-29)

-----------------

* Support for Python 2.7 as well as 3.7 and earlier has been removed.

* Generally use ``.as_integer_ratio()`` in the constructor if available.
  python/cpython#120271

* Add a classmethod ``.from_number()`` that requires a number argument, not a string.
  python/cpython#121800

* Mixed calculations with other ``Rational`` classes could return the wrong type.
  python/cpython#119189

* In mixed calculations with ``complex``, the Fraction is now converted to ``float``
  instead of ``complex`` to avoid certain corner cases in complex calculation.
  python/cpython#119839

* Using ``complex`` numbers in division shows better tracebacks.
  python/cpython#102842

* Subclass instantiations and calculations could fail in some cases.

1.18 (2024-04-03)

-----------------

* New binary wheels were added built with gcc 12 (manylinux_2_28).

* x86_64 wheels now require SSE4.2.

* Built using Cython 3.0.10.