docs: Clarify that old resolver is default with Python 2

Partially addresses #9194.

Signed-off-by: Sumana Harihareswara <sh@changeset.nyc>

1 files changed, 11 insertions, 2 deletions

diff --git a/README.rst b/README.rst
index d8d12c850..ef0dd0eca 100644
--- a/README.rst
+++ b/README.rst
@@ -19,7 +19,16 @@ We release updates regularly, with a new version every 3 months. Find more detai
 * `Release notes`_
 * `Release process`_
 
-In pip 20.3, we're `making a big improvement to the heart of pip`_; `learn more`_. We want your input, so `sign up for our user experience research studies`_ to help us do it right.
+.. warning::
+
+   In pip 20.3, we've `made a big improvement to the heart of pip`_;
+   :ref:`Resolver changes 2020`. We want your input, so `sign up for
+   our user experience research studies`_ to help us do it right.
+
+.. warning::
+
+   pip 21.0, in January 2021, will remove Python 2 support, per pip's
+   :ref:`Python 2 Support` policy. Please migrate to Python 3.
 
 If you find bugs, need help, or want to talk to the developers, please use our mailing lists or chat rooms:
 
@@ -48,7 +57,7 @@ rooms, and mailing lists is expected to follow the `PSF Code of Conduct`_.
 .. _Release process: https://pip.pypa.io/en/latest/development/release-process/
 .. _GitHub page: https://github.com/pypa/pip
 .. _Development documentation: https://pip.pypa.io/en/latest/development
-.. _making a big improvement to the heart of pip: https://pyfound.blogspot.com/2020/03/new-pip-resolver-to-roll-out-this-year.html
+.. _made a big improvement to the heart of pip: https://pyfound.blogspot.com/2020/11/pip-20-3-new-resolver.html
 .. _learn more: https://pip.pypa.io/en/latest/user_guide/#changes-to-the-pip-dependency-resolver-in-20-3-2020
 .. _sign up for our user experience research studies: https://pyfound.blogspot.com/2020/03/new-pip-resolver-to-roll-out-this-year.html
 .. _Issue tracking: https://github.com/pypa/pip/issues