diff --git a/CHANGES.rst b/CHANGES.rst
index a3527de7d..13afddc62 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -5,6 +5,12 @@ Changelog (Pillow)
 8.4.0 (unreleased)
 ------------------
 
+- Catch TypeError from corrupted DPI value in EXIF #5639
+  [homm, radarhere]
+
+- Do not close file pointer when saving SGI images #5645
+  [farizrahman4u, radarhere]
+
 - Deprecate ImagePalette size parameter #5641
   [radarhere, hugovk]
 
diff --git a/Tests/images/broken_exif_dpi.jpg b/Tests/images/broken_exif_dpi.jpg
new file mode 100644
index 000000000..2c88b9463
Binary files /dev/null and b/Tests/images/broken_exif_dpi.jpg differ
diff --git a/Tests/test_file_jpeg.py b/Tests/test_file_jpeg.py
index 68096e92d..15518756c 100644
--- a/Tests/test_file_jpeg.py
+++ b/Tests/test_file_jpeg.py
@@ -718,6 +718,15 @@ class TestFileJpeg:
             # This should return the default, and not raise a ZeroDivisionError
             assert im.info.get("dpi") == (72, 72)
 
+    def test_dpi_exif_string(self):
+        # Arrange
+        # 0x011A tag in this exif contains string '300300\x02'
+        with Image.open("Tests/images/broken_exif_dpi.jpg") as im:
+
+            # Act / Assert
+            # This should return the default
+            assert im.info.get("dpi") == (72, 72)
+
     def test_no_dpi_in_exif(self):
         # Arrange
         # This is photoshop-200dpi.jpg with resolution removed from EXIF:
diff --git a/Tests/test_file_sgi.py b/Tests/test_file_sgi.py
index 0210dd4f1..6a5d8887d 100644
--- a/Tests/test_file_sgi.py
+++ b/Tests/test_file_sgi.py
@@ -73,6 +73,13 @@ def test_write(tmp_path):
         img.save(out, format="sgi")
         assert_image_equal_tofile(img, out)
 
+        out = str(tmp_path / "fp.sgi")
+        with open(out, "wb") as fp:
+            img.save(fp)
+            assert_image_equal_tofile(img, out)
+
+            assert not fp.closed
+
     for mode in ("L", "RGB", "RGBA"):
         roundtrip(hopper(mode))
 
diff --git a/docs/releasenotes/8.4.0.rst b/docs/releasenotes/8.4.0.rst
new file mode 100644
index 000000000..42e57745b
--- /dev/null
+++ b/docs/releasenotes/8.4.0.rst
@@ -0,0 +1,41 @@
+8.4.0
+-----
+
+API Changes
+===========
+
+Deprecations
+^^^^^^^^^^^^
+
+ImagePalette size parameter
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The ``size`` parameter will be removed in Pillow 10.0.0 (2023-01-02).
+
+Before Pillow 8.3.0, ``ImagePalette`` required palette data of particular lengths by
+default, and the size parameter could be used to override that. Pillow 8.3.0 removed
+the default required length, also removing the need for the size parameter.
+
+API Additions
+=============
+
+TODO
+^^^^
+
+TODO
+
+Security
+========
+
+TODO
+^^^^
+
+TODO
+
+Other Changes
+=============
+
+TODO
+^^^^
+
+TODO
diff --git a/docs/releasenotes/index.rst b/docs/releasenotes/index.rst
index e60d26ec7..55c51a401 100644
--- a/docs/releasenotes/index.rst
+++ b/docs/releasenotes/index.rst
@@ -14,6 +14,7 @@ expected to be backported to earlier versions.
 .. toctree::
   :maxdepth: 2
 
+  8.4.0
   8.3.1
   8.3.0
   8.2.0
diff --git a/src/PIL/JpegImagePlugin.py b/src/PIL/JpegImagePlugin.py
index b18e8126f..b8674eeed 100644
--- a/src/PIL/JpegImagePlugin.py
+++ b/src/PIL/JpegImagePlugin.py
@@ -168,11 +168,11 @@ def APP(self, marker):
                 # 1 dpcm = 2.54 dpi
                 dpi *= 2.54
             self.info["dpi"] = dpi, dpi
-        except (KeyError, SyntaxError, ValueError, ZeroDivisionError):
+        except (TypeError, KeyError, SyntaxError, ValueError, ZeroDivisionError):
             # SyntaxError for invalid/unreadable EXIF
             # KeyError for dpi not included
             # ZeroDivisionError for invalid dpi rational value
-            # ValueError for dpi being an invalid float
+            # ValueError or TypeError for dpi being an invalid float
             self.info["dpi"] = 72, 72
 
 
diff --git a/src/PIL/SgiImagePlugin.py b/src/PIL/SgiImagePlugin.py
index d0f7c9993..5f1ef6edc 100644
--- a/src/PIL/SgiImagePlugin.py
+++ b/src/PIL/SgiImagePlugin.py
@@ -193,7 +193,8 @@ def _save(im, fp, filename):
     for channel in im.split():
         fp.write(channel.tobytes("raw", rawmode, 0, orientation))
 
-    fp.close()
+    if hasattr(fp, "flush"):
+        fp.flush()
 
 
 class SGI16Decoder(ImageFile.PyDecoder):