diff --git a/setup.py b/setup.py
index 7e9cb34a3..93a555df0 100755
--- a/setup.py
+++ b/setup.py
@@ -1426,6 +1426,21 @@ def get_requires_for_build_wheel(config_settings=None):
             #wheel_compression = zipfile.ZIP_DEFLATED if (darwin or pyodide) else zipfile.ZIP_LZMA,
             wheel_compresslevel = 9,
             )
+    
+    # Patch up macos platform tag - we require at least 10.15 because otherwise
+    # std::filesystem appears to be not available.
+    if pipcl.darwin():
+        pt = p.tag_platform()
+        #pipcl.log(f'{pt=}')
+        m = re.match('^(macosx_)(([0-9]+)_([0-9]+))(.*)', pt)
+        #pipcl.log(f'{m=}')
+        if m:
+            v = int(m.group(3)), int(m.group(4))
+            #pipcl.log(f'{v=}')
+            if v < (10, 15):
+                pt2 = f'{m.group(1)}10_15{m.group(5)}'
+                pipcl.log(f'Changing tag_platform from {pt!r} to {pt2!r}')
+                p.tag_platform_ = pt2
 
     def get_requires_for_build_wheel(config_settings=None):
         '''
diff --git a/tests/resources/test_5001.pdf b/tests/resources/test_5001.pdf
new file mode 100644
index 000000000..7e17298e2
Binary files /dev/null and b/tests/resources/test_5001.pdf differ
diff --git a/tests/resources/test_5001_expected.png b/tests/resources/test_5001_expected.png
new file mode 100644
index 000000000..c7c240f37
Binary files /dev/null and b/tests/resources/test_5001_expected.png differ
diff --git a/tests/resources/test_natural.pdf b/tests/resources/test_natural.pdf
new file mode 100644
index 000000000..e3a26a24d
Binary files /dev/null and b/tests/resources/test_natural.pdf differ
diff --git a/tests/test_annots.py b/tests/test_annots.py
index 6eea26816..4e5b5241e 100644
--- a/tests/test_annots.py
+++ b/tests/test_annots.py
@@ -727,6 +727,8 @@ def test_4944():
     print()
     with pymupdf.open(path) as document:
         page = document[0]
+        print()
+        print(f'{page.rect=}')
         print(f'{page.rotation=}')
         print(f'{page.rotation_matrix=}')
         print(f'{page.transformation_matrix=}')
diff --git a/tests/test_pixmap.py b/tests/test_pixmap.py
index ac784dd63..201fa8926 100644
--- a/tests/test_pixmap.py
+++ b/tests/test_pixmap.py
@@ -667,3 +667,50 @@ def test_4699():
         wt = pymupdf.TOOLS.mupdf_warnings()
         assert 'syntax error: cannot find ExtGState resource' in wt
         assert rms > 20
+
+
+def test_5001():
+    '''
+    #5001 is fixed with mupdf>=1.28.
+    '''
+    path = os.path.normpath(f'{__file__}/../../tests/resources/test_5001.pdf')
+    path_expected = os.path.normpath(f'{__file__}/../../tests/resources/test_5001_expected.png')
+    path_out = os.path.normpath(f'{__file__}/../../tests/test_5001_out.png')
+    with pymupdf.open(path) as document:
+        page = document[0]
+        zoom = 0.3
+        pixmap = page.get_pixmap(matrix=pymupdf.Matrix(zoom, zoom))
+    pixmap.save(path_out)
+    rms = gentle_compare.pixmaps_rms(path_expected, pixmap)
+    print()
+    print(f'test_5001(): {rms=}')
+    if pymupdf.mupdf_version_tuple >= (1, 28):
+        assert rms == 0
+    else:
+        assert rms != 0
+        wt = pymupdf.TOOLS.mupdf_warnings()
+        assert wt
+
+def test_natural():
+    if pymupdf.mupdf_version_tuple < (1, 28):
+        print('test_natural(): Not running because segv fixed on mupdf master (1.28).')
+        return
+    path = os.path.normpath(f'{__file__}/../../tests/resources/test_natural.pdf')
+    with pymupdf.open(path) as document:
+        page = document[0]
+        ctm = pymupdf.mupdf.fz_make_matrix(200 / 72, 0, 0, 200 / 72, 0, 0)
+        rect = pymupdf.mupdf.ll_fz_make_rect(*page.rect)
+        RGB = pymupdf.mupdf.fz_device_rgb()
+        GRAY = pymupdf.mupdf.fz_device_gray()
+        # displaylist = page.get_displaylist()
+        # print(f"{displaylist=}, {rect=}, {ctm=}, {GRAY=}")
+        # pm = mupdf.fz_new_pixmap_from_display_list_culling_text2(
+        pm = pymupdf.mupdf.fz_new_pixmap_from_page_culling_text2(
+            page,
+            ctm,
+            RGB,
+            0,
+            [rect],
+        )
+        pix=pymupdf.Pixmap(pm)
+        print(f"{pix=}")