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Development changes
-------------------
Increase to minimum supported versions of dependencies
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
For Matplotlib 3.8, the :ref:`minimum supported versions <dependencies>` are
being bumped:
+------------+-----------------+---------------+
| Dependency | min in mpl3.7 | min in mpl3.8 |
+============+=================+===============+
| Python | 3.8 | 3.9 |
+------------+-----------------+---------------+
| kiwisolver | 1.0.1 | 1.3.1 |
+------------+-----------------+---------------+
| NumPy | 1.20.0 | 1.21.0 |
+------------+-----------------+---------------+
| Pillow | 6.2.1 | 8.0 |
+------------+-----------------+---------------+
This is consistent with our :ref:`min_deps_policy` and `NEP29
<https://numpy.org/neps/nep-0029-deprecation_policy.html>`__
Increase to minimum supported optional dependencies
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
For Matplotlib 3.8, the :ref:`minimum supported versions of optional dependencies
<optional_dependencies>` are being bumped:
+------------+-----------------+---------------+
| Dependency | min in mpl3.7 | min in mpl3.8 |
+============+=================+===============+
| Tk | 8.4 | 8.5 |
+------------+-----------------+---------------+
| Qt | 5.10 | 5.12 |
+------------+-----------------+---------------+
- There are no wheels or conda packages that support both Qt 5.11 (or older) and
Python 3.9 (or newer).
This is consistent with our :ref:`min_deps_policy`
Provisional support for PEP484 Type Hint Annotations
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
New public API should be type hinted in ``.pyi`` stub files (except ``pyplot`` and tests
which are typed in-line).
Tests should be type hinted minimally, essentially only when ``mypy`` generates errors.
CI and configuration for running ``mypy`` have been added.
Generation of ``pyplot.py`` requires ``black``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The autogenerated portions of ``pyplot.py`` use ``black`` autoformatting to ensure
syntax-correct, readable output code.
As such ``black`` is now a development and test requirement (for the test which
regenerates ``pyplot``).
Wheels for some systems are no longer distributed
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Pre-compiled wheels for 32-bit Linux and Windows are no longer provided on PyPI
since Matplotlib 3.8.
Multi-architecture ``universal2`` wheels for macOS are no longer provided on PyPI since
Matplotlib 3.8. In general, ``pip`` will always prefer the architecture-specific
(``amd64``- or ``arm64``-only) wheels, so these provided little benefit.
New wheel architectures
~~~~~~~~~~~~~~~~~~~~~~~
Wheels have been added for:
- musl based systems
|
