+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+::
+
+ make update
+
+Explanations about database migrations
+""""""""""""""""""""""""""""""""""""""
+
+All the database migrations are stored in ``app/DoctrineMigrations``. You can execute each migration individually:
+``bin/console doctrine:migrations:migrate 20161001072726 --env=prod``.
+
+
+Here are the migrations for 2.1.x to 2.2.0 release:
+
+* ``20161001072726``: added foreign keys for for account resetting
+* ``20161022134138``: converted database to ``utf8mb4`` encoding (for MySQL only)
+* ``20161024212538``: added ``user_id`` column on ``oauth2_clients`` to prevent users to delete API clients from other users
+* ``20161031132655``: added the internal setting to enable/disable downloading pictures
+* ``20161104073720``: added ``created_at`` index on ``entry`` table
+* ``20161106113822``: added ``action_mark_as_read`` field on ``config`` table
+* ``20161117071626``: added the internal setting to share articles to unmark.it
+* ``20161118134328``: added ``http_status`` field on ``entry`` table
+* ``20161122144743``: added the internal setting to enable/disable fetching articles with paywall
+* ``20161122203647``: dropped ``expired`` and ``credentials_expired`` fields on ``user`` table
+
+Upgrade on a shared hosting
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Backup your ``app/config/parameters.yml`` file.
+
+Download the last release of wallabag:
+
+.. code-block:: bash
+
+ wget http://wllbg.org/latest-v2-package && tar xvf latest-v2-package
+
+You will find the `md5 hash of the latest package on our website <https://www.wallabag.org/pages/download-wallabag.html>`_.
+
+Extract the archive in your wallabag folder and replace ``app/config/parameters.yml`` with yours.