diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 5e2dc5dfb11..2a70fd788f2 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -8,7 +8,7 @@ TL;DR
 * If you [make a pull request](https://github.com/odoo/odoo/wiki/Contributing#making-pull-requests),
   do not create an issue! Use the PR description for that
 * Issues are handled with a much lower priority than pull requests
-* Use this [template](https://github.com/odoo/odoo/tree/11.0/.github/ISSUE_TEMPLATE.md)
+* Use this [template](https://github.com/odoo/odoo/tree/12.0/.github/ISSUE_TEMPLATE.md)
   when reporting issues. Please search for duplicates first!
 * Pull requests must be made against the [correct version](https://github.com/odoo/odoo/wiki/Contributing#against-which-version-should-i-submit-a-patch)
 * There are restrictions on the kind of [changes allowed in stable series](https://github.com/odoo/odoo/wiki/Contributing#what-does-stable-mean)
diff --git a/addons/base_import/static/src/xml/base_import.xml b/addons/base_import/static/src/xml/base_import.xml
index 9d3175fb43b..951002b279f 100644
--- a/addons/base_import/static/src/xml/base_import.xml
+++ b/addons/base_import/static/src/xml/base_import.xml
@@ -88,7 +88,7 @@
                             <i class="fa fa-download"/> <span><t t-esc="template.label"/></span>
                         </a>
                     </div>
-                    <a href="https://www.odoo.com/documentation/user/11.0/general/base_import/import_faq.html" target="new">Import FAQ</a>
+                    <a href="https://www.odoo.com/documentation/user/12.0/general/base_import/import_faq.html" target="new">Import FAQ</a>
                 </div>
             </div>
         </form>
diff --git a/addons/google_calendar/views/res_config_settings_views.xml b/addons/google_calendar/views/res_config_settings_views.xml
index 72295486206..5028978dd4c 100644
--- a/addons/google_calendar/views/res_config_settings_views.xml
+++ b/addons/google_calendar/views/res_config_settings_views.xml
@@ -13,7 +13,7 @@
                             <label for="cal_client_secret" string="Client Secret" class="col-3 col-lg-3 o_light_label"/>
                             <field name="cal_client_secret" password="True" nolabel="1"/>
                         </div>
-                        <a href="https://www.odoo.com/documentation/user/11.0/crm/optimize/google_calendar_credentials.html" class="oe-link" target="_blank"><i class="fa fa-fw fa-arrow-right"/>Tutorial</a>
+                        <a href="https://www.odoo.com/documentation/user/12.0/crm/optimize/google_calendar_credentials.html" class="oe-link" target="_blank"><i class="fa fa-fw fa-arrow-right"/>Tutorial</a>
                     </div>
                 </div>
             </field>
diff --git a/addons/point_of_sale/views/pos_config_view.xml b/addons/point_of_sale/views/pos_config_view.xml
index 3a8e6627134..3ba93f7156b 100644
--- a/addons/point_of_sale/views/pos_config_view.xml
+++ b/addons/point_of_sale/views/pos_config_view.xml
@@ -221,7 +221,7 @@
                                     <div class="mt16"> 
                                         <field name="iface_tax_included" class="o_light_label" widget="radio"/>    
                                     </div> 
-                                    <a attrs="{'invisible': [('iface_tax_included', '!=', 'total')]}" href="https://www.odoo.com/documentation/user/11.0/accounting/others/taxes/tax_included.html"  target="_blank" class="oe-link"><i class="fa fa-fw fa-arrow-right"/>How to manage tax-included prices</a> 
+                                    <a attrs="{'invisible': [('iface_tax_included', '!=', 'total')]}" href="https://www.odoo.com/documentation/user/12.0/accounting/others/taxes/tax_included.html"  target="_blank" class="oe-link"><i class="fa fa-fw fa-arrow-right"/>How to manage tax-included prices</a>
                                 </div> 
                             </div> 
                         </div>
diff --git a/addons/purchase/views/res_config_settings_views.xml b/addons/purchase/views/res_config_settings_views.xml
index 004fa09fe67..f3b31f193b8 100644
--- a/addons/purchase/views/res_config_settings_views.xml
+++ b/addons/purchase/views/res_config_settings_views.xml
@@ -110,7 +110,7 @@
                                 </div>
                                 <div class="content-group" attrs="{'invisible': [('group_manage_vendor_price', '=', False)]}">
                                     <div class="mt16">
-                                        <a role="button" class="btn-link" target="_blank" href="https://www.odoo.com/documentation/user/11.0/general/base_import/import_faq.html">
+                                        <a role="button" class="btn-link" target="_blank" href="https://www.odoo.com/documentation/user/12.0/general/base_import/import_faq.html">
                                             <i class="fa fa-arrow-right"/>
                                             How to import
                                         </a>
diff --git a/addons/website/views/res_config_settings_views.xml b/addons/website/views/res_config_settings_views.xml
index beec9507818..6e85e5f6189 100644
--- a/addons/website/views/res_config_settings_views.xml
+++ b/addons/website/views/res_config_settings_views.xml
@@ -136,7 +136,7 @@
                                         </div>
                                     </div>
                                     <div attrs="{'invisible': [('has_google_analytics', '=', False)]}">
-                                        <a href="https://www.odoo.com/documentation/user/11.0/website/optimize/google_analytics.html"
+                                        <a href="https://www.odoo.com/documentation/user/12.0/website/optimize/google_analytics.html"
                                                 class="oe_link" target="_blank">
                                             <i class="fa fa-arrow-right"/>
                                             How to get my Tracking ID
diff --git a/doc/_extensions/odoo_ext/sub-menu_list.html b/doc/_extensions/odoo_ext/sub-menu_list.html
index 14fd476c9c3..7525fe63aea 100644
--- a/doc/_extensions/odoo_ext/sub-menu_list.html
+++ b/doc/_extensions/odoo_ext/sub-menu_list.html
@@ -1,9 +1,8 @@
 {# note: if odoo.com/page/docs sub-menu's structure change, these links have to change as well #}
 
-<li><a href="https://www.odoo.com/documentation/user/11.0/index.html">User</a></li>
-<li><a href="https://www.odoo.com/documentation/11.0/index.html">Developer</a></li>
-<li><a href="https://training.odoo.com/">Training center</a></li>
-<li><a href="https://www.odoo.com/documentation/11.0/webservices/odoo.html">API</a></li>
-<li><a href="https://www.odoo.com/documentation/11.0/setup/install.html">Installation</a></li>
+<li><a href="https://www.odoo.com/documentation/user/12.0/index.html">User</a></li>
+<li><a href="https://www.odoo.com/documentation/12.0/index.html">Developer</a></li>
+<li><a href="https://www.odoo.com/documentation/12.0/setup/install.html">Installation</a></li>
+<li><a href="http://training.odoo.com/courses/odoo-functional">Training center</a></li>
 <li><a href="https://www.odoo.com/page/odoo-white-paper">White Papers</a></li>
 <li><a href="https://www.odoo.com/page/legal">Legal</a></li>
diff --git a/doc/howtos/backend.rst b/doc/howtos/backend.rst
index 01f2bcd7ce9..0dc6f9b2122 100644
--- a/doc/howtos/backend.rst
+++ b/doc/howtos/backend.rst
@@ -1508,7 +1508,7 @@ Reporting
 Printed reports
 ---------------
 
-Odoo 11.0 uses a report engine based on :ref:`reference/qweb`,
+Odoo uses a report engine based on :ref:`reference/qweb`,
 `Twitter Bootstrap`_ and Wkhtmltopdf_. 
 
 A report is a combination two elements:
diff --git a/doc/setup/install.rst b/doc/setup/install.rst
index db9f832782f..9fbf6fc0d60 100644
--- a/doc/setup/install.rst
+++ b/doc/setup/install.rst
@@ -106,8 +106,7 @@ Linux
 Debian/Ubuntu
 '''''''''''''
 
-Odoo 11.0 'deb' package currently supports `Debian Stretch`_, `Ubuntu Xenial`_,
-`Ubuntu Zesty`_ and `Ubuntu Artful`_.
+Odoo 12.0 'deb' package currently supports `Debian Stretch`_, `Ubuntu 18.04`_ or above.
 
 Prepare
 ^^^^^^^
@@ -137,7 +136,7 @@ following commands as root:
 .. code-block:: console
 
     # wget -O - https://nightly.odoo.com/odoo.key | apt-key add -
-    # echo "deb http://nightly.odoo.com/11.0/nightly/deb/ ./" >> /etc/apt/sources.list.d/odoo.list
+    # echo "deb http://nightly.odoo.com/12.0/nightly/deb/ ./" >> /etc/apt/sources.list.d/odoo.list
     # apt-get update && apt-get install odoo
 
 You can then use the usual ``apt-get upgrade`` command to keep your installation up-to-date.
@@ -200,9 +199,9 @@ If you need this feature, you can install the python module like this:
 Fedora
 ''''''
 
-Odoo 11.0 'rpm' package supports Fedora 26.
+Odoo 12.0 'rpm' package supports Fedora 26.
 As of 2017, CentOS does not have the minimum Python requirements (3.5) for
-Odoo 11.0.
+Odoo 12.0.
 
 Prepare
 ^^^^^^^
@@ -231,7 +230,7 @@ commands:
 
 .. code-block:: console
 
-    $ sudo dnf config-manager --add-repo=https://nightly.odoo.com/11.0/nightly/rpm/odoo.repo
+    $ sudo dnf config-manager --add-repo=https://nightly.odoo.com/12.0/nightly/rpm/odoo.repo
     $ sudo dnf install -y odoo
     $ sudo systemctl enable odoo
     $ sudo systemctl start odoo
@@ -249,7 +248,7 @@ Once downloaded, the package can be installed using the 'dnf' package manager:
 
 .. code-block:: console
 
-    $ sudo dnf localinstall odoo_11.0.latest.noarch.rpm
+    $ sudo dnf localinstall odoo_12.0.latest.noarch.rpm
     $ sudo systemctl enable odoo
     $ sudo systemctl start odoo
 
@@ -550,9 +549,7 @@ official Odoo `docker image <https://registry.hub.docker.com/_/odoo/>`_ page.
 .. _docker: https://www.docker.com
 .. _Download: https://www.odoo.com/page/download
 .. _Debian Stretch: https://www.debian.org/releases/stretch/
-.. _Ubuntu Xenial: http://releases.ubuntu.com/16.04/
-.. _Ubuntu Zesty: http://releases.ubuntu.com/17.04/
-.. _Ubuntu Artful: http://releases.ubuntu.com/17.10/
+.. _Ubuntu 18.04: http://releases.ubuntu.com/18.04/
 .. _EPEL: https://fedoraproject.org/wiki/EPEL
 .. _PostgreSQL: http://www.postgresql.org
 .. _the official installer:
@@ -575,5 +572,5 @@ official Odoo `docker image <https://registry.hub.docker.com/_/odoo/>`_ page.
 .. _the repository: https://github.com/odoo/odoo
 .. _git: http://git-scm.com
 .. _Editions: https://www.odoo.com/pricing#pricing_table_features
-.. _nightly: https://nightly.odoo.com/11.0/nightly/
+.. _nightly: https://nightly.odoo.com/12.0/nightly/
 .. _extra: https://nightly.odoo.com/extra/
diff --git a/doc/setup/update.rst b/doc/setup/update.rst
index 7c7b5c06227..b036837ca65 100644
--- a/doc/setup/update.rst
+++ b/doc/setup/update.rst
@@ -20,7 +20,7 @@ definitions:
 
 Updating (an Odoo installation)
   Refers to the process of obtaining the latest revision of the source code for
-  your current Odoo Edition. For example, updating your Odoo Enterprise 11.0 to the
+  your current Odoo Edition. For example, updating your Odoo Enterprise 12.0 to the
   latest revision.
   This does not directly cause any change to the contents of your Odoo database, and
   can be undone by reinstalling the previous revision of the source code.
@@ -110,7 +110,7 @@ to replace the installation directory with a newer version. First download the l
 from Odoo.com. They are updated daily and include the latest security fixes (see step #1)
 After downloading the package, extract it to a temporary location on your server.
 
-You will get a folder labelled with the version of the source code, for example "odoo-11.0+e.20180719",
+You will get a folder labelled with the version of the source code, for example "odoo-12.0+e.20180719",
 that contains a folder "odoo.egg-info" and the actual source code folder named "odoo" (for Odoo 10
 and later) or "openerp" for older versions.
 You can ignore the odoo.egg-info folder. Locate the folder where your current installation is deployed,
diff --git a/doc/webservices/localization.rst b/doc/webservices/localization.rst
index 39e1c98181c..a4e68f4bcbc 100644
--- a/doc/webservices/localization.rst
+++ b/doc/webservices/localization.rst
@@ -136,7 +136,7 @@ Each ``account.account.template`` is able to create an ``account.account`` for e
 Some of the described fields above deserve a bit more explanation.
 
 The ``user_type_id`` field requires a value of type ``account.account.type``.
-Although some additional types could be created in a localization module, we encourage the usage of the existing types in the `account/data/data_account_type.xml <https://github.com/odoo/odoo/blob/11.0/addons/account/data/data_account_type.xml>`_ file.
+Although some additional types could be created in a localization module, we encourage the usage of the existing types in the `account/data/data_account_type.xml <https://github.com/odoo/odoo/blob/12.0/addons/account/data/data_account_type.xml>`_ file.
 The usage of these generic types ensures the generic reports working correctly in addition to those that you could create in your localization module.
 
 .. warning::
diff --git a/odoo/addons/base/models/res_users.py b/odoo/addons/base/models/res_users.py
index 850c21d6b3f..dfe1096f288 100644
--- a/odoo/addons/base/models/res_users.py
+++ b/odoo/addons/base/models/res_users.py
@@ -784,7 +784,7 @@ class Users(models.Model):
                     "and *might* be a proxy. If your Odoo is behind a proxy, "
                     "it may be mis-configured. Check that you are running "
                     "Odoo in Proxy Mode and that the proxy is properly configured, see "
-                    "https://www.odoo.com/documentation/11.0/setup/deploy.html#https for details.",
+                    "https://www.odoo.com/documentation/12.0/setup/deploy.html#https for details.",
                     source
                 )
             raise AccessDenied(_("Too many login failures, please wait a bit before trying again."))
diff --git a/odoo/http.py b/odoo/http.py
index 27d4d12fbca..b0e1761b2ca 100644
--- a/odoo/http.py
+++ b/odoo/http.py
@@ -807,7 +807,7 @@ class HttpRequest(WebRequest):
 
 Odoo URLs are CSRF-protected by default (when accessed with unsafe
 HTTP methods). See
-https://www.odoo.com/documentation/11.0/reference/http.html#csrf for
+https://www.odoo.com/documentation/12.0/reference/http.html#csrf for
 more details.
 
 * if this endpoint is accessed through Odoo via py-QWeb form, embed a CSRF