diff --git a/Tests/test_file_avif.py b/Tests/test_file_avif.py
index 08b20047f0c..32dd694f580 100644
--- a/Tests/test_file_avif.py
+++ b/Tests/test_file_avif.py
@@ -327,6 +327,10 @@ def test_exif(self) -> None:
             exif = im.getexif()
         assert exif[274] == 1
 
+        with Image.open("Tests/images/avif/xmp_tags_orientation.avif") as im:
+            exif = im.getexif()
+        assert exif[274] == 3
+
     def test_exif_save_default(self, tmp_path: Path) -> None:
         with Image.open("Tests/images/avif/exif.avif") as im:
             test_file = str(tmp_path / "temp.avif")
@@ -549,22 +553,6 @@ def test_decoder_codec_available_cannot_decode(self) -> None:
     def test_decoder_codec_available_invalid(self) -> None:
         assert _avif.decoder_codec_available("foo") is False
 
-    @pytest.mark.parametrize("upsampling", ["fastest", "best", "nearest", "bilinear"])
-    def test_decoder_upsampling(
-        self, monkeypatch: pytest.MonkeyPatch, upsampling: str
-    ) -> None:
-        monkeypatch.setattr(AvifImagePlugin, "CHROMA_UPSAMPLING", upsampling)
-
-        with Image.open(TEST_AVIF_FILE):
-            pass
-
-    def test_decoder_upsampling_invalid(self, monkeypatch: pytest.MonkeyPatch) -> None:
-        monkeypatch.setattr(AvifImagePlugin, "CHROMA_UPSAMPLING", "foo")
-
-        with pytest.raises(ValueError):
-            with Image.open(TEST_AVIF_FILE):
-                pass
-
     def test_p_mode_transparency(self) -> None:
         im = Image.new("P", size=(64, 64))
         draw = ImageDraw.Draw(im)
diff --git a/src/PIL/AvifImagePlugin.py b/src/PIL/AvifImagePlugin.py
index e9749f36cc2..1c90f428a09 100644
--- a/src/PIL/AvifImagePlugin.py
+++ b/src/PIL/AvifImagePlugin.py
@@ -16,7 +16,6 @@
 # Decoder options as module globals, until there is a way to pass parameters
 # to Image.open (see https://github.com/python-pillow/Pillow/issues/569)
 DECODE_CODEC_CHOICE = "auto"
-CHROMA_UPSAMPLING = "auto"
 DEFAULT_MAX_THREADS = 0
 
 _VALID_AVIF_MODES = {"RGB", "RGBA"}
@@ -76,7 +75,6 @@ def _open(self) -> None:
         self._decoder = _avif.AvifDecoder(
             self.fp.read(),
             DECODE_CODEC_CHOICE,
-            CHROMA_UPSAMPLING,
             _get_default_max_threads(),
         )
 
@@ -238,22 +236,12 @@ def _save(
 
             for idx in range(nfr):
                 ims.seek(idx)
-                ims.load()
 
                 # Make sure image mode is supported
                 frame = ims
                 rawmode = ims.mode
                 if ims.mode not in _VALID_AVIF_MODES:
-                    alpha = (
-                        "A" in ims.mode
-                        or "a" in ims.mode
-                        or (ims.mode == "P" and "A" in ims.im.getpalettemode())
-                        or (
-                            ims.mode == "P"
-                            and ims.info.get("transparency", None) is not None
-                        )
-                    )
-                    rawmode = "RGBA" if alpha else "RGB"
+                    rawmode = "RGBA" if ims.has_transparency_data else "RGB"
                     frame = ims.convert(rawmode)
 
                 # Update frame duration
diff --git a/src/PIL/Image.py b/src/PIL/Image.py
index a49a38739f8..c00ab8a886d 100644
--- a/src/PIL/Image.py
+++ b/src/PIL/Image.py
@@ -1548,8 +1548,8 @@ def getexif(self) -> Exif:
 
         # XMP tags
         if ExifTags.Base.Orientation not in self._exif:
-            xmp_tags = self.info.get("XML:com.adobe.xmp") or self.info.get("xmp")
-            if isinstance(xmp_tags, bytes):
+            xmp_tags = self.info.get("XML:com.adobe.xmp")
+            if not xmp_tags and (xmp_tags := self.info.get("xmp")):
                 xmp_tags = xmp_tags.decode("utf-8")
             if xmp_tags:
                 match = re.search(r'tiff:Orientation(="|>)([0-9])', xmp_tags)
diff --git a/src/_avif.c b/src/_avif.c
index 5e993e35447..d0bb81f4619 100644
--- a/src/_avif.c
+++ b/src/_avif.c
@@ -3,12 +3,6 @@
 #include <Python.h>
 #include "avif/avif.h"
 
-#if AVIF_VERSION < 80300
-#define AVIF_CHROMA_UPSAMPLING_AUTOMATIC AVIF_CHROMA_UPSAMPLING_BILINEAR
-#define AVIF_CHROMA_UPSAMPLING_BEST_QUALITY AVIF_CHROMA_UPSAMPLING_BILINEAR
-#define AVIF_CHROMA_UPSAMPLING_FASTEST AVIF_CHROMA_UPSAMPLING_NEAREST
-#endif
-
 typedef struct {
     avifPixelFormat subsampling;
     int qmin;
@@ -671,32 +665,13 @@ AvifDecoderNew(PyObject *self_, PyObject *args) {
     PyObject *avif_bytes;
     AvifDecoderObject *self = NULL;
 
-    char *upsampling_str;
     char *codec_str;
     avifCodecChoice codec;
-    avifChromaUpsampling upsampling;
     int max_threads;
 
     avifResult result;
 
-    if (!PyArg_ParseTuple(
-            args, "Sssi", &avif_bytes, &codec_str, &upsampling_str, &max_threads
-        )) {
-        return NULL;
-    }
-
-    if (!strcmp(upsampling_str, "auto")) {
-        upsampling = AVIF_CHROMA_UPSAMPLING_AUTOMATIC;
-    } else if (!strcmp(upsampling_str, "fastest")) {
-        upsampling = AVIF_CHROMA_UPSAMPLING_FASTEST;
-    } else if (!strcmp(upsampling_str, "best")) {
-        upsampling = AVIF_CHROMA_UPSAMPLING_BEST_QUALITY;
-    } else if (!strcmp(upsampling_str, "nearest")) {
-        upsampling = AVIF_CHROMA_UPSAMPLING_NEAREST;
-    } else if (!strcmp(upsampling_str, "bilinear")) {
-        upsampling = AVIF_CHROMA_UPSAMPLING_BILINEAR;
-    } else {
-        PyErr_Format(PyExc_ValueError, "Invalid upsampling option: %s", upsampling_str);
+    if (!PyArg_ParseTuple(args, "Ssi", &avif_bytes, &codec_str, &max_threads)) {
         return NULL;
     }
 
diff --git a/winbuild/build_prepare.py b/winbuild/build_prepare.py
index d19eb978fe9..8ee9cd90e54 100644
--- a/winbuild/build_prepare.py
+++ b/winbuild/build_prepare.py
@@ -402,8 +402,7 @@ def cmd_msbuild(
     },
     "rav1e": {
         "url": (
-            f"https://github.com/xiph/rav1e/releases/download/v{V['RAV1E']}/"
-            f"rav1e-{V['RAV1E']}-windows-msvc-generic.zip"
+            f"https://github.com/xiph/rav1e/releases/download/v{V['RAV1E']}/FILENAME"
         ),
         "filename": f"rav1e-{V['RAV1E']}-windows-msvc-generic.zip",
         "dir": "rav1e-windows-msvc-sdk",