Merge branch '3.0.x'

CHANGES.rst

@@ -1,3 +1,11 @@
+Version 3.0.1
+-------------
+
+Unreleased
+
+-   Correct type for ``path`` argument to ``send_file``. :issue:`5230`
+
+
 Version 3.0.0
 -------------
 

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "Flask"
-version = "3.0.0"
+version = "3.0.1.dev"
 description = "A simple framework for building complex web applications."
 readme = "README.rst"
 license = {file = "LICENSE.rst"}

src/flask/helpers.py

@@ -387,7 +387,7 @@ def _prepare_send_file_kwargs(**kwargs: t.Any) -> dict[str, t.Any]:
 
 
 def send_file(
-    path_or_file: os.PathLike | str | t.BinaryIO,
+    path_or_file: os.PathLike[t.AnyStr] | str | t.BinaryIO,
     mimetype: str | None = None,
     as_attachment: bool = False,
     download_name: str | None = None,