diff --git a/.github/workflows/tests-ubuntu.yml b/.github/workflows/tests-ubuntu.yml
index 54b3fbaa2..c2b686628 100644
--- a/.github/workflows/tests-ubuntu.yml
+++ b/.github/workflows/tests-ubuntu.yml
@@ -48,13 +48,13 @@ jobs:
           env:
             TOXENV: botocore
 
-        - python-version: "3.12.0-beta.4"
+        - python-version: "3.12.0-rc.1"
           env:
             TOXENV: py
-        - python-version: "3.12.0-beta.4"
+        - python-version: "3.12.0-rc.1"
           env:
             TOXENV: asyncio
-        - python-version: "3.12.0-beta.4"
+        - python-version: "3.12.0-rc.1"
           env:
             TOXENV: extra-deps
 
diff --git a/scrapy/settings/__init__.py b/scrapy/settings/__init__.py
index bc82cc098..ba9727bac 100644
--- a/scrapy/settings/__init__.py
+++ b/scrapy/settings/__init__.py
@@ -238,7 +238,7 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]):
     def getdictorlist(
         self,
         name: _SettingsKeyT,
-        default: Union[Dict[Any, Any], List[Any], None] = None,
+        default: Union[Dict[Any, Any], List[Any], Tuple[Any], None] = None,
     ) -> Union[Dict[Any, Any], List[Any]]:
         """Get a setting value as either a :class:`dict` or a :class:`list`.
 
@@ -271,6 +271,8 @@ class BaseSettings(MutableMapping[_SettingsKeyT, Any]):
                 return value_loaded
             except ValueError:
                 return value.split(",")
+        if isinstance(value, tuple):
+            return list(value)
         assert isinstance(value, (dict, list))
         return copy.deepcopy(value)
 
diff --git a/tests/test_feedexport.py b/tests/test_feedexport.py
index 42fa25b1d..6b82974fa 100644
--- a/tests/test_feedexport.py
+++ b/tests/test_feedexport.py
@@ -1321,6 +1321,17 @@ class FeedExportTest(FeedExportTestBase):
         yield self.assertExportedCsv(items, ["foo", "egg"], rows_csv)
         yield self.assertExportedJsonLines(items, rows_jl)
 
+    @defer.inlineCallbacks
+    def test_export_tuple(self):
+        items = [
+            {"foo": "bar1", "egg": "spam1"},
+            {"foo": "bar2", "egg": "spam2", "baz": "quux"},
+        ]
+
+        settings = {"FEED_EXPORT_FIELDS": ("foo", "baz")}
+        rows = [{"foo": "bar1", "baz": ""}, {"foo": "bar2", "baz": "quux"}]
+        yield self.assertExported(items, ["foo", "baz"], rows, settings=settings)
+
     @defer.inlineCallbacks
     def test_export_feed_export_fields(self):
         # FEED_EXPORT_FIELDS option allows to order export fields