matplotlib · QuLogic · Mar 28, 2025 · Apr 9, 2025 · Mar 27, 2025 · Apr 23, 2025
diff --git a/.github/workflows/cibuildwheel.yml b/.github/workflows/cibuildwheel.yml
@@ -140,6 +140,10 @@ jobs:
           name: cibw-sdist
           path: dist/
 
+      - name: Purge Strawberry Perl
+        if: startsWith(matrix.os, 'windows-')
+        run: Remove-Item -Recurse C:\Strawberry
+
       - name: Build wheels for CPython 3.14
         uses: pypa/cibuildwheel@5f22145df44122af0f5a201f93cf0207171beca7  # v3.0.0
         with:

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -20,13 +20,13 @@ repos:
       - id: check-docstring-first
         exclude: lib/matplotlib/typing.py  # docstring used for attribute flagged by check
       - id: end-of-file-fixer
-        exclude_types: [svg]
+        exclude_types: [diff, svg]
       - id: mixed-line-ending
       - id: name-tests-test
         args: ["--pytest-test-first"]
       - id: no-commit-to-branch  # Default is master and main.
       - id: trailing-whitespace
-        exclude_types: [svg]
+        exclude_types: [diff, svg]
   - repo: https://github.com/pre-commit/mirrors-mypy
     rev: v1.15.0
     hooks:

diff --git a/extern/meson.build b/extern/meson.build
@@ -13,11 +13,20 @@ else
   # must match the value in `lib/matplotlib.__init__.py`. Also update the docs
   # in `docs/devel/dependencies.rst`. Bump the cache key in
   # `.circleci/config.yml` when changing requirements.
-  LOCAL_FREETYPE_VERSION = '2.6.1'
+  LOCAL_FREETYPE_VERSION = '2.13.3'
 
   freetype_proj = subproject(
     f'freetype-@LOCAL_FREETYPE_VERSION@',
-    default_options: ['default_library=static'])
+    default_options: [
+      'default_library=static',
+      'brotli=disabled',
+      'bzip2=disabled',
+      'harfbuzz=disabled',
+      'mmap=auto',
+      'png=disabled',
+      'tests=disabled',
+      'zlib=internal',
+  ])
   freetype_dep = freetype_proj.get_variable('freetype_dep')
 endif
 

diff --git a/lib/matplotlib/__init__.py b/lib/matplotlib/__init__.py
@@ -1329,7 +1329,7 @@ def _val_or_rc(val, *rc_names):
 def _init_tests():
     # The version of FreeType to install locally for running the tests. This must match
     # the value in `meson.build`.
-    LOCAL_FREETYPE_VERSION = '2.6.1'
+    LOCAL_FREETYPE_VERSION = '2.13.3'
 
     from matplotlib import ft2font
     if (ft2font.__freetype_version__ != LOCAL_FREETYPE_VERSION or

diff --git a/lib/matplotlib/mpl-data/matplotlibrc b/lib/matplotlib/mpl-data/matplotlibrc
@@ -301,9 +301,9 @@
 ##                ("native" is a synonym.)
 ## - force_autohint: Use FreeType's auto-hinter.  ("auto" is a synonym.)
 ## - no_hinting: Disable hinting.  ("none" is a synonym.)
-#text.hinting: force_autohint
+#text.hinting: default
 
-#text.hinting_factor: 8  # Specifies the amount of softness for hinting in the
+#text.hinting_factor: 1  # Specifies the amount of softness for hinting in the
                          # horizontal direction.  A value of 1 will hint to full
                          # pixels.  A value of 2 will hint to half pixels etc.
 #text.kerning_factor: 0  # Specifies the scaling factor for kerning values.  This

diff --git a/lib/matplotlib/mpl-data/stylelib/_classic_test_patch.mplstyle b/lib/matplotlib/mpl-data/stylelib/_classic_test_patch.mplstyle
@@ -1,8 +1,9 @@
 # This patch should go on top of the "classic" style and exists solely to avoid
 # changing baseline images.
 
-text.kerning_factor : 6
-
 ytick.alignment: center_baseline
 
 hatch.color: edge
+
+text.hinting: default
+text.hinting_factor: 1
diff --git a/lib/matplotlib/testing/__init__.py b/lib/matplotlib/testing/__init__.py
@@ -19,8 +19,15 @@
 
 def set_font_settings_for_testing():
     mpl.rcParams['font.family'] = 'DejaVu Sans'
-    mpl.rcParams['text.hinting'] = 'none'
-    mpl.rcParams['text.hinting_factor'] = 8
+    # We've changed the default for ourselves here, but for backwards-compatiblity, use
+    # the old setting if not called in our own tests (which would set
+    # `_called_from_pytest` from our `conftest.py`).
+    if getattr(mpl, '_called_from_pytest', False):
+        mpl.rcParams['text.hinting'] = 'default'
+        mpl.rcParams['text.hinting_factor'] = 1
+    else:
+        mpl.rcParams['text.hinting'] = 'none'
+        mpl.rcParams['text.hinting_factor'] = 8
 
 
 def set_reproducibility_for_testing():

diff --git a/lib/matplotlib/tests/test_artist.py b/lib/matplotlib/tests/test_artist.py
@@ -217,9 +217,6 @@ def test_remove():
 
 @image_comparison(["default_edges.png"], remove_text=True, style='default')
 def test_default_edges():
-    # Remove this line when this test image is regenerated.
-    plt.rcParams['text.kerning_factor'] = 6
-
     fig, [[ax1, ax2], [ax3, ax4]] = plt.subplots(2, 2)
 
     ax1.plot(np.arange(10), np.arange(10), 'x',

diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -8272,8 +8272,8 @@ def test_normal_axes():
 
     # test the axis bboxes
     target = [
-        [123.375, 75.88888888888886, 983.25, 33.0],
-        [85.51388888888889, 99.99999999999997, 53.375, 993.0]
+        [124.0, 76.89, 982.0, 32.0],
+        [86.89, 100.5, 52.0, 992.0],
     ]
     for nn, b in enumerate(bbaxis):
         targetbb = mtransforms.Bbox.from_bounds(*target[nn])
@@ -8293,7 +8293,7 @@ def test_normal_axes():
     targetbb = mtransforms.Bbox.from_bounds(*target)
     assert_array_almost_equal(bbax.bounds, targetbb.bounds, decimal=2)
 
-    target = [85.5138, 75.88888, 1021.11, 1017.11]
+    target = [86.89, 76.89, 1019.11, 1015.61]
     targetbb = mtransforms.Bbox.from_bounds(*target)
     assert_array_almost_equal(bbtb.bounds, targetbb.bounds, decimal=2)
 

diff --git a/lib/matplotlib/tests/test_bbox_tight.py b/lib/matplotlib/tests/test_bbox_tight.py
@@ -47,7 +47,7 @@ def test_bbox_inches_tight(text_placeholders):
 
 @image_comparison(['bbox_inches_tight_suptile_legend'],
                   savefig_kwarg={'bbox_inches': 'tight'},
-                  tol=0 if platform.machine() == 'x86_64' else 0.02)
+                  tol=0 if platform.machine() == 'x86_64' else 0.022)
 def test_bbox_inches_tight_suptile_legend():
     plt.plot(np.arange(10), label='a straight line')
     plt.legend(bbox_to_anchor=(0.9, 1), loc='upper left')

diff --git a/lib/matplotlib/tests/test_figure.py b/lib/matplotlib/tests/test_figure.py
@@ -814,7 +814,7 @@ def test_tightbbox():
     ax.set_xlim(0, 1)
     t = ax.text(1., 0.5, 'This dangles over end')
     renderer = fig.canvas.get_renderer()
-    x1Nom0 = 9.035  # inches
+    x1Nom0 = 8.9875  # inches
     assert abs(t.get_tightbbox(renderer).x1 - x1Nom0 * fig.dpi) < 2
     assert abs(ax.get_tightbbox(renderer).x1 - x1Nom0 * fig.dpi) < 2
     assert abs(fig.get_tightbbox(renderer).x1 - x1Nom0) < 0.05
@@ -1376,7 +1376,8 @@ def test_subfigure_dpi():
 
 
 @image_comparison(['test_subfigure_ss.png'], style='mpl20',
-                  savefig_kwarg={'facecolor': 'teal'}, tol=0.02)
+                  savefig_kwarg={'facecolor': 'teal'},
+                  tol=0.022)
 def test_subfigure_ss():
     # test assigning the subfigure via subplotspec
     np.random.seed(19680801)

diff --git a/lib/matplotlib/tests/test_ft2font.py b/lib/matplotlib/tests/test_ft2font.py
@@ -708,10 +708,10 @@ def test_ft2font_get_sfnt_table(font_name, header):
 
 @pytest.mark.parametrize('left, right, unscaled, unfitted, default', [
     # These are all the same class.
-    ('A', 'A', 57, 248, 256), ('A', 'À', 57, 248, 256), ('A', 'Á', 57, 248, 256),
-    ('A', 'Â', 57, 248, 256), ('A', 'Ã', 57, 248, 256), ('A', 'Ä', 57, 248, 256),
+    ('A', 'A', 57, 247, 256), ('A', 'À', 57, 247, 256), ('A', 'Á', 57, 247, 256),
+    ('A', 'Â', 57, 247, 256), ('A', 'Ã', 57, 247, 256), ('A', 'Ä', 57, 247, 256),
     # And a few other random ones.
-    ('D', 'A', -36, -156, -128), ('T', '.', -243, -1056, -1024),
+    ('D', 'A', -36, -156, -128), ('T', '.', -243, -1055, -1024),
     ('X', 'C', -149, -647, -640), ('-', 'J', 114, 495, 512),
 ])
 def test_ft2font_get_kerning(left, right, unscaled, unfitted, default):

diff --git a/lib/matplotlib/tests/test_legend.py b/lib/matplotlib/tests/test_legend.py
@@ -258,9 +258,6 @@ def test_legend_expand():
 @image_comparison(['hatching'], remove_text=True, style='default')
 def test_hatching():
     # Remove legend texts when this image is regenerated.
-    # Remove this line when this test image is regenerated.
-    plt.rcParams['text.kerning_factor'] = 6
-
     fig, ax = plt.subplots()
 
     # Patches
@@ -484,10 +481,10 @@ def test_figure_legend_outside():
     todos += ['left ' + pos for pos in ['lower', 'center', 'upper']]
     todos += ['right ' + pos for pos in ['lower', 'center', 'upper']]
 
-    upperext = [20.347556,  27.722556, 790.583, 545.499]
-    lowerext = [20.347556,  71.056556, 790.583, 588.833]
-    leftext = [151.681556, 27.722556, 790.583, 588.833]
-    rightext = [20.347556,  27.722556, 659.249, 588.833]
+    upperext = [20.722556, 26.722556, 790.333, 545.999]
+    lowerext = [20.722556, 70.056556, 790.333, 589.333]
+    leftext = [152.056556, 26.722556, 790.333, 589.333]
+    rightext = [20.722556, 26.722556, 658.999, 589.333]
     axbb = [upperext, upperext, upperext,
             lowerext, lowerext, lowerext,
             leftext, leftext, leftext,

diff --git a/lib/matplotlib/tests/test_mathtext.py b/lib/matplotlib/tests/test_mathtext.py
@@ -568,14 +568,14 @@ def test_box_repr():
         _mathtext.DejaVuSansFonts(fm.FontProperties(), LoadFlags.NO_HINTING),
         fontsize=12, dpi=100))
     assert s == textwrap.dedent("""\
-        Hlist<w=9.49 h=16.08 d=6.64 s=0.00>[
+        Hlist<w=9.51 h=15.81 d=6.57 s=0.00>[
           Hlist<w=0.00 h=0.00 d=0.00 s=0.00>[],
-          Hlist<w=9.49 h=16.08 d=6.64 s=0.00>[
-            Hlist<w=9.49 h=16.08 d=6.64 s=0.00>[
-              Vlist<w=7.40 h=22.72 d=0.00 s=6.64>[
-                HCentered<w=7.40 h=8.67 d=0.00 s=0.00>[
+          Hlist<w=9.51 h=15.81 d=6.57 s=0.00>[
+            Hlist<w=9.51 h=15.81 d=6.57 s=0.00>[
+              Vlist<w=7.43 h=22.38 d=0.00 s=6.57>[
+                HCentered<w=7.43 h=8.51 d=0.00 s=0.00>[
                   Glue,
-                  Hlist<w=7.40 h=8.67 d=0.00 s=0.00>[
+                  Hlist<w=7.43 h=8.51 d=0.00 s=0.00>[
                     `1`,
                     k2.36,
                   ],
@@ -584,9 +584,9 @@ def test_box_repr():
                 Vbox,
                 Hrule,
                 Vbox,
-                HCentered<w=7.40 h=8.84 d=0.00 s=0.00>[
+                HCentered<w=7.43 h=8.66 d=0.00 s=0.00>[
                   Glue,
-                  Hlist<w=7.40 h=8.84 d=0.00 s=0.00>[
+                  Hlist<w=7.43 h=8.66 d=0.00 s=0.00>[
                     `2`,
                     k2.02,
                   ],

diff --git a/lib/matplotlib/tests/test_polar.py b/lib/matplotlib/tests/test_polar.py
@@ -328,7 +328,7 @@ def test_get_tightbbox_polar():
     fig.canvas.draw()
     bb = ax.get_tightbbox(fig.canvas.get_renderer())
     assert_allclose(
-        bb.extents, [107.7778,  29.2778, 539.7847, 450.7222], rtol=1e-03)
+        bb.extents, [108.27778, 28.7778, 539.7222, 451.2222], rtol=1e-03)
 
 
 @check_figures_equal()

diff --git a/lib/matplotlib/tests/test_text.py b/lib/matplotlib/tests/test_text.py
@@ -139,9 +139,6 @@ def test_multiline():
 
 @image_comparison(['multiline2'], style='mpl20')
 def test_multiline2():
-    # Remove this line when this test image is regenerated.
-    plt.rcParams['text.kerning_factor'] = 6
-
     fig, ax = plt.subplots()
 
     ax.set_xlim(0, 1.4)
@@ -694,8 +691,6 @@ def test_annotation_units(fig_test, fig_ref):
 
 @image_comparison(['large_subscript_title.png'], style='mpl20')
 def test_large_subscript_title():
-    # Remove this line when this test image is regenerated.
-    plt.rcParams['text.kerning_factor'] = 6
     plt.rcParams['axes.titley'] = None
 
     fig, axs = plt.subplots(1, 2, figsize=(9, 2.5), constrained_layout=True)
@@ -732,7 +727,7 @@ def test_wrap(x, rotation, halign):
 
 
 def test_mathwrap():
-    fig = plt.figure(figsize=(6, 4))
+    fig = plt.figure(figsize=(5, 4))
     s = r'This is a very $\overline{\mathrm{long}}$ line of Mathtext.'
     text = fig.text(0, 0.5, s, size=40, wrap=True)
     fig.canvas.draw()

diff --git a/lib/mpl_toolkits/axisartist/tests/test_axis_artist.py b/lib/mpl_toolkits/axisartist/tests/test_axis_artist.py
@@ -26,9 +26,6 @@ def test_ticks():
 
 @image_comparison(['axis_artist_labelbase.png'], style='default')
 def test_labelbase():
-    # Remove this line when this test image is regenerated.
-    plt.rcParams['text.kerning_factor'] = 6
-
     fig, ax = plt.subplots()
 
     ax.plot([0.5], [0.5], "o")
@@ -43,9 +40,6 @@ def test_labelbase():
 
 @image_comparison(['axis_artist_ticklabels.png'], style='default')
 def test_ticklabels():
-    # Remove this line when this test image is regenerated.
-    plt.rcParams['text.kerning_factor'] = 6
-
     fig, ax = plt.subplots()
 
     ax.xaxis.set_visible(False)
@@ -78,9 +72,6 @@ def test_ticklabels():
 
 @image_comparison(['axis_artist.png'], style='default')
 def test_axis_artist():
-    # Remove this line when this test image is regenerated.
-    plt.rcParams['text.kerning_factor'] = 6
-
     fig, ax = plt.subplots()
 
     ax.xaxis.set_visible(False)

diff --git a/lib/mpl_toolkits/axisartist/tests/test_axislines.py b/lib/mpl_toolkits/axisartist/tests/test_axislines.py
@@ -9,9 +9,6 @@
 
 @image_comparison(['SubplotZero.png'], style='default')
 def test_SubplotZero():
-    # Remove this line when this test image is regenerated.
-    plt.rcParams['text.kerning_factor'] = 6
-
     fig = plt.figure()
 
     ax = SubplotZero(fig, 1, 1, 1)
@@ -30,9 +27,6 @@ def test_SubplotZero():
 
 @image_comparison(['Subplot.png'], style='default')
 def test_Subplot():
-    # Remove this line when this test image is regenerated.
-    plt.rcParams['text.kerning_factor'] = 6
-
     fig = plt.figure()
 
     ax = Subplot(fig, 1, 1, 1)

diff --git a/lib/mpl_toolkits/axisartist/tests/test_floating_axes.py b/lib/mpl_toolkits/axisartist/tests/test_floating_axes.py
@@ -69,9 +69,6 @@ def test_curvelinear3():
 # remove when image is regenerated.
 @image_comparison(['curvelinear4.png'], style='default', tol=0.9)
 def test_curvelinear4():
-    # Remove this line when this test image is regenerated.
-    plt.rcParams['text.kerning_factor'] = 6
-
     fig = plt.figure(figsize=(5, 5))
 
     tr = (mtransforms.Affine2D().scale(np.pi / 180, 1) +

diff --git a/lib/mpl_toolkits/axisartist/tests/test_grid_helper_curvelinear.py b/lib/mpl_toolkits/axisartist/tests/test_grid_helper_curvelinear.py
@@ -135,11 +135,8 @@ def test_polar_box():
     ax1.grid(True)
 
 
-# Remove tol & kerning_factor when this test image is regenerated.
-@image_comparison(['axis_direction.png'], style='default', tol=0.13)
+@image_comparison(['axis_direction.png'], style='default', tol=0.04)
 def test_axis_direction():
-    plt.rcParams['text.kerning_factor'] = 6
-
     fig = plt.figure(figsize=(5, 5))
 
     # PolarAxes.PolarTransform takes radian. However, we want our coordinate

diff --git a/pyproject.toml b/pyproject.toml
@@ -46,7 +46,7 @@ requires-python = ">=3.11"
 [project.optional-dependencies]
 # Should be a copy of the build dependencies below.
 dev = [
-    "meson-python>=0.13.1,!=0.17.*",
+    "meson-python>=0.13.2,!=0.17.*",
     "pybind11>=2.13.2,!=2.13.3",
     "setuptools_scm>=7",
     # Not required by us but setuptools_scm without a version, cso _if_
@@ -72,7 +72,7 @@ build-backend = "mesonpy"
 requires = [
     # meson-python 0.17.x breaks symlinks in sdists. You can remove this pin if
     # you really need it and aren't using an sdist.
-    "meson-python>=0.13.1,!=0.17.*",
+    "meson-python>=0.13.2,!=0.17.*",
     "pybind11>=2.13.2,!=2.13.3",
     "setuptools_scm>=7",
 ]

diff --git a/requirements/testing/minver.txt b/requirements/testing/minver.txt
@@ -5,7 +5,7 @@ cycler==0.10
 fonttools==4.22.0
 importlib-resources==3.2.0
 kiwisolver==1.3.2
-meson-python==0.13.1
+meson-python==0.13.2
 meson==1.1.0
 numpy==1.25.0
 packaging==20.0

diff --git a/subprojects/freetype-2.13.3.wrap b/subprojects/freetype-2.13.3.wrap
@@ -0,0 +1,13 @@
+[wrap-file]
+directory = freetype-2.13.3
+source_url = https://download.savannah.gnu.org/releases/freetype/freetype-2.13.3.tar.xz
+source_fallback_url = https://downloads.sourceforge.net/project/freetype/freetype2/2.13.3/freetype-2.13.3.tar.xz
+source_filename = freetype-2.13.3.tar.xz
+source_hash = 0550350666d427c74daeb85d5ac7bb353acba5f76956395995311a9c6f063289
+
+# https://gitlab.freedesktop.org/freetype/freetype/-/commit/34aed655f1696da774b5cdd4c5effb312153232f
+diff_files = freetype-34aed655f1696da774b5cdd4c5effb312153232f.patch
+
+[provide]
+freetype2 = freetype_dep
+freetype = freetype_dep
diff --git a/subprojects/freetype-2.6.1.wrap b/subprojects/freetype-2.6.1.wrap