Backport r66857: make all whatsnew docs accessible.
diff --git a/Doc/whatsnew/index.rst b/Doc/whatsnew/index.rst
new file mode 100644
index 0000000..b66fd3a
--- /dev/null
+++ b/Doc/whatsnew/index.rst
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+.. _whatsnew-index:
+
+######################
+ What's New in Python
+######################
+
+The "What's New in Python" series of essays takes tours through the most
+important changes between major Python versions. They are a "must read" for
+anyone wishing to stay up-to-date after a new release.
+
+.. toctree::
+ :maxdepth: 1
+
+ 2.6.rst
+ 2.5.rst
+ 2.4.rst
+ 2.3.rst
+ 2.2.rst
+ 2.1.rst
+ 2.0.rst