.. _whats-new-index:

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What's new / Upgrading
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This section describes the changes and improvements between different
versions of Varnish, and what upgrading between the different versions
entail.

Varnish 5.1
-----------

.. toctree::
   :maxdepth: 2

   changes-5.1
   upgrading-5.1

Varnish 5.0
-----------

.. toctree::
   :maxdepth: 2

   relnote-5.0
   changes-5.0
   upgrading-5.0

Varnish 4.1
-----------

.. toctree::
   :maxdepth: 2

   changes-4.1
   upgrading-4.1

Varnish 4.0
-----------

.. toctree::
   :maxdepth: 2

   upgrading-4.0