drop Python 3.6

docs/cli.rst

@@ -112,10 +112,9 @@ shell with the :func:`shell <cli.shell_command>` command. An application
 context will be active, and the app instance will be imported. ::
 
     $ flask shell
-    Python 3.6.2 (default, Jul 20 2017, 03:52:27)
-    [GCC 7.1.1 20170630] on linux
-    App: example
-    Instance: /home/user/Projects/hello/instance
+    Python 3.10.0 (default, Oct 27 2021, 06:59:51) [GCC 11.1.0] on linux
+    App: example [production]
+    Instance: /home/david/Projects/pallets/flask/instance
     >>>
 
 Use :meth:`~Flask.shell_context_processor` to add other automatic imports.

docs/extensiondev.rst

@@ -322,9 +322,9 @@ ecosystem remain consistent and compatible.
     `Official Pallets Themes`_. A link to the documentation or project
     website must be in the PyPI metadata or the readme.
 7.  For maximum compatibility, the extension should support the same
-    versions of Python that Flask supports. 3.6+ is recommended as of
-    2020. Use ``python_requires=">= 3.6"`` in ``setup.py`` to indicate
-    supported versions.
+    versions of Python that Flask supports. 3.7+ is recommended as of
+    December 2021. Use ``python_requires=">= 3.7"`` in ``setup.py`` to
+    indicate supported versions.
 
 .. _PyPI: https://pypi.org/search/?c=Framework+%3A%3A+Flask
 .. _mailinglist: https://mail.python.org/mailman/listinfo/flask

docs/installation.rst

@@ -6,9 +6,7 @@ Python Version
 --------------
 
 We recommend using the latest version of Python. Flask supports Python
-3.6 and newer.
-
-``async`` support in Flask requires Python 3.7+ for ``contextvars.ContextVar``.
+3.7 and newer.
 
 
 Dependencies