changelog for blueprint registered name

CHANGES.rst

@@ -27,6 +27,13 @@ Unreleased
     removed early. :issue:`4078`
 -   Improve typing for some functions using ``Callable`` in their type
     signatures, focusing on decorator factories. :issue:`4060`
+-   Nested blueprints are registered with their dotted name. This allows
+    different blueprints with the same name to be nested at different
+    locations. :issue:`4069`
+-   ``register_blueprint`` takes a ``name`` option to change the
+    (pre-dotted) name the blueprint is registered with. This allows the
+    same blueprint to be registered multiple times with unique names for
+    ``url_for``. :issue:`1091`
 
 
 Version 2.0.0

src/flask/app.py

@@ -1019,6 +1019,12 @@ def register_blueprint(self, blueprint: "Blueprint", **options: t.Any) -> None:
             :class:`~flask.blueprints.BlueprintSetupState`. They can be
             accessed in :meth:`~flask.Blueprint.record` callbacks.
 
+        .. versionchanged:: 2.0.1
+            The ``name`` option can be used to change the (pre-dotted)
+            name the blueprint is registered with. This allows the same
+            blueprint to be registered multiple times with unique names
+            for ``url_for``.
+
         .. versionadded:: 0.7
         """
         blueprint.register(self, options)

src/flask/blueprints.py

@@ -252,6 +252,12 @@ def register_blueprint(self, blueprint: "Blueprint", **options: t.Any) -> None:
         arguments passed to this method will override the defaults set
         on the blueprint.
 
+        .. versionchanged:: 2.0.1
+            The ``name`` option can be used to change the (pre-dotted)
+            name the blueprint is registered with. This allows the same
+            blueprint to be registered multiple times with unique names
+            for ``url_for``.
+
         .. versionadded:: 2.0
         """
         self._blueprints.append((blueprint, options))
@@ -266,6 +272,17 @@ def register(self, app: "Flask", options: dict) -> None:
             with.
         :param options: Keyword arguments forwarded from
             :meth:`~Flask.register_blueprint`.
+
+        .. versionchanged:: 2.0.1
+            Nested blueprints are registered with their dotted name.
+            This allows different blueprints with the same name to be
+            nested at different locations.
+
+        .. versionchanged:: 2.0.1
+            The ``name`` option can be used to change the (pre-dotted)
+            name the blueprint is registered with. This allows the same
+            blueprint to be registered multiple times with unique names
+            for ``url_for``.
         """
         first_registration = True