From 7ff4904d4950dad8a522b2a2bc57f1a20e792fb3 Mon Sep 17 00:00:00 2001
From: Oscar Gustafsson <oscar.gustafsson@gmail.com>
Date: Sun, 17 Sep 2023 13:51:54 +0200
Subject: [PATCH] Bump minimum NumPy version to 1.23

---
 doc/api/next_api_changes/development/26800-OG.rst | 14 ++++++++++++++
 doc/devel/min_dep_policy.rst                      |  2 ++
 doc/users/installing/dependencies.rst             |  4 ++--
 environment.yml                                   |  2 +-
 lib/matplotlib/__init__.py                        |  2 +-
 pyproject.toml                                    |  2 +-
 requirements/testing/minver.txt                   |  2 +-
 7 files changed, 22 insertions(+), 6 deletions(-)
 create mode 100644 doc/api/next_api_changes/development/26800-OG.rst

diff --git a/doc/api/next_api_changes/development/26800-OG.rst b/doc/api/next_api_changes/development/26800-OG.rst
new file mode 100644
index 000000000000..d536f8240c76
--- /dev/null
+++ b/doc/api/next_api_changes/development/26800-OG.rst
@@ -0,0 +1,14 @@
+Increase to minimum supported versions of dependencies
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+For Matplotlib 3.9, the :ref:`minimum supported versions <dependencies>` are
+being bumped:
+
++------------+-----------------+---------------+
+| Dependency |  min in mpl3.8  | min in mpl3.9 |
++============+=================+===============+
+|   NumPy    |       1.21.0    |      1.23.0   |
++------------+-----------------+---------------+
+
+This is consistent with our :ref:`min_deps_policy` and `NEP29
+<https://numpy.org/neps/nep-0029-deprecation_policy.html>`__
diff --git a/doc/devel/min_dep_policy.rst b/doc/devel/min_dep_policy.rst
index baf6db9811a8..a702b5930fd8 100644
--- a/doc/devel/min_dep_policy.rst
+++ b/doc/devel/min_dep_policy.rst
@@ -88,6 +88,7 @@ specification of the dependencies.
 ==========  ========  ======
 Matplotlib  Python    NumPy
 ==========  ========  ======
+`3.9`_      3.9       1.23.0
 `3.8`_      3.9       1.21.0
 `3.7`_      3.8       1.20.0
 `3.6`_      3.8       1.19.0
@@ -108,6 +109,7 @@ Matplotlib  Python    NumPy
 1.0         2.4       1.1
 ==========  ========  ======
 
+.. _`3.9`: https://matplotlib.org/3.9.0/devel/dependencies.html
 .. _`3.8`: https://matplotlib.org/3.8.0/devel/dependencies.html
 .. _`3.7`: https://matplotlib.org/3.7.0/devel/dependencies.html
 .. _`3.6`: https://matplotlib.org/3.6.0/devel/dependencies.html
diff --git a/doc/users/installing/dependencies.rst b/doc/users/installing/dependencies.rst
index 86e7e1bbe596..fa666d280732 100644
--- a/doc/users/installing/dependencies.rst
+++ b/doc/users/installing/dependencies.rst
@@ -25,7 +25,7 @@ reference.
 * `dateutil <https://pypi.org/project/python-dateutil/>`_ (>= 2.7)
 * `fontTools <https://fonttools.readthedocs.io/en/latest/>`_ (>= 4.22.0)
 * `kiwisolver <https://github.com/nucleic/kiwi>`_ (>= 1.3.1)
-* `NumPy <https://numpy.org>`_ (>= 1.21)
+* `NumPy <https://numpy.org>`_ (>= 1.23)
 * `packaging <https://pypi.org/project/packaging/>`_ (>= 20.0)
 * `Pillow <https://pillow.readthedocs.io/en/latest/>`_ (>= 8.0)
 * `pyparsing <https://pypi.org/project/pyparsing/>`_ (>= 2.3.1)
@@ -238,7 +238,7 @@ then you must manually install the following packages into your development envi
 - `setuptools_scm <https://pypi.org/project/setuptools-scm/>`_ (>= 7).  Used to
   update the reported ``mpl.__version__`` based on the current git commit.
   Also a runtime dependency for editable installs.
-- `NumPy <https://numpy.org>`_ (>= 1.21).  Also a runtime dependency.
+- `NumPy <https://numpy.org>`_ (>= 1.22).  Also a runtime dependency.
 
 
 .. _compile-dependencies:
diff --git a/environment.yml b/environment.yml
index d50e544edb0d..174497df6b4d 100644
--- a/environment.yml
+++ b/environment.yml
@@ -17,7 +17,7 @@ dependencies:
   - kiwisolver>=1.3.1
   - pybind11>=2.6.0
   - meson-python>=0.13.1
-  - numpy>=1.21
+  - numpy>=1.23
   - pillow>=8
   - pkg-config
   - pygobject
diff --git a/lib/matplotlib/__init__.py b/lib/matplotlib/__init__.py
index 5836cd3a2ccf..cc94e530133b 100644
--- a/lib/matplotlib/__init__.py
+++ b/lib/matplotlib/__init__.py
@@ -251,7 +251,7 @@ def _check_versions():
             ("cycler", "0.10"),
             ("dateutil", "2.7"),
             ("kiwisolver", "1.3.1"),
-            ("numpy", "1.21"),
+            ("numpy", "1.23"),
             ("pyparsing", "2.3.1"),
     ]:
         module = importlib.import_module(modname)
diff --git a/pyproject.toml b/pyproject.toml
index d20f76bade39..7661d039d370 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ dependencies = [
     "cycler >= 0.10",
     "fonttools >= 4.22.0",
     "kiwisolver >= 1.3.1",
-    "numpy >= 1.21",
+    "numpy >= 1.23",
     "packaging >= 20.0",
     "pillow >= 8",
     "pyparsing >= 2.3.1",
diff --git a/requirements/testing/minver.txt b/requirements/testing/minver.txt
index b399bd996e08..1a95367eff14 100644
--- a/requirements/testing/minver.txt
+++ b/requirements/testing/minver.txt
@@ -7,7 +7,7 @@ importlib-resources==3.2.0
 kiwisolver==1.3.1
 meson-python==0.13.1
 meson==1.1.0
-numpy==1.21.0
+numpy==1.23.0
 packaging==20.0
 pillow==8.0.0
 pyparsing==2.3.1