diff --git a/addons/account/views/res_config_settings_views.xml b/addons/account/views/res_config_settings_views.xml
index 0fcffbb5532..2a37312607e 100644
--- a/addons/account/views/res_config_settings_views.xml
+++ b/addons/account/views/res_config_settings_views.xml
@@ -99,7 +99,7 @@
                                 </div>
                                 <div class="o_setting_right_pane" name="l10n_eu_oss_right_pane">
                                     <label for="module_l10n_eu_oss"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/finance/accounting/taxation/taxes/eu_distance_selling.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/finance/accounting/taxation/taxes/eu_distance_selling.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Apply VAT of the EU country to which goods and services are delivered.
                                     </div>
diff --git a/addons/auth_oauth/views/res_config_settings_views.xml b/addons/auth_oauth/views/res_config_settings_views.xml
index 7bb93d21164..8ff8c30788f 100644
--- a/addons/auth_oauth/views/res_config_settings_views.xml
+++ b/addons/auth_oauth/views/res_config_settings_views.xml
@@ -21,7 +21,7 @@
                         </div>
                         <div class="o_setting_right_pane">
                             <label string="Google Authentication" for="auth_oauth_google_enabled"/>
-                            <a href="https://www.odoo.com/documentation/14.0/applications/general/auth/google.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                            <a href="https://www.odoo.com/documentation/15.0/applications/general/auth/google.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                             <div class="text-muted">
                                 Allow users to sign in with their Google account
                             </div>
@@ -30,7 +30,7 @@
                                     <label for="auth_oauth_google_client_id" string="Client ID:" class="col-lg-3 o_light_label"/>
                                     <field name="auth_oauth_google_client_id" placeholder="e.g. 1234-xyz.apps.googleusercontent.com"/>
                                 </div>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/general/auth/google.html" target="_blank"><i class="fa fa-fw fa-arrow-right"/>Tutorial</a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/general/auth/google.html" target="_blank"><i class="fa fa-fw fa-arrow-right"/>Tutorial</a>
                             </div>
                         </div>
                     </div>
diff --git a/addons/base_import/static/src/legacy/xml/base_import.xml b/addons/base_import/static/src/legacy/xml/base_import.xml
index af816a9c8ef..d7679dd36ed 100644
--- a/addons/base_import/static/src/legacy/xml/base_import.xml
+++ b/addons/base_import/static/src/legacy/xml/base_import.xml
@@ -24,7 +24,7 @@
                             <i class="fa fa-download"/> <span><t t-esc="template.label"/></span>
                         </a>
                     </div>
-                    <a href="https://www.odoo.com/documentation/14.0/applications/general/base_import/import_faq.html" target="new">Import FAQ</a>
+                    <a href="https://www.odoo.com/documentation/15.0/applications/general/export_import_data.html" target="new">Import FAQ</a>
                 </div>
             </div>
         </form>
@@ -292,7 +292,7 @@ lines composed only of empty cells">
                         <i class="fa fa-download"/> <span>Download Template</span>
                     </a>
                 </div>
-                <a href="https://www.odoo.com/documentation/14.0/applications/general/base_import/import_faq.html" target="new">
+                <a href="https://www.odoo.com/documentation/15.0/applications/general/export_import_data.html" target="new">
                     <i class="fa fa-external-link"></i> Go to Import FAQ
                 </a>
 
diff --git a/addons/base_setup/views/res_config_settings_views.xml b/addons/base_setup/views/res_config_settings_views.xml
index 53edfbeedfc..a3d9783941c 100644
--- a/addons/base_setup/views/res_config_settings_views.xml
+++ b/addons/base_setup/views/res_config_settings_views.xml
@@ -27,7 +27,7 @@
                                         <span class='o_form_label' attrs="{'invisible':[('active_user_count', '&lt;=', '1')]}">
                                             Active Users
                                         </span>
-                                        <a href="https://www.odoo.com/documentation/14.0/applications/general/odoo_basics/users.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                        <a href="https://www.odoo.com/documentation/15.0/applications/general/users.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                         <br/>
                                         <button name="%(base.action_res_users)d" icon="fa-arrow-right" type="action" string="Manage Users" class="btn-link o_web_settings_access_rights"/>
                                     </div>
@@ -136,7 +136,7 @@
                                         <div class="o_setting_right_pane" id="sms_settings">
                                             <div class="o_form_label">
                                             Send SMS
-                                            <a href="https://www.odoo.com/documentation/14.0/applications/marketing/sms_marketing/pricing/pricing_and_faq.html" title="Documentation" class="ml-1 o_doc_link" target="_blank"></a>
+                                            <a href="https://www.odoo.com/documentation/15.0/applications/marketing/sms_marketing/pricing/pricing_and_faq.html" title="Documentation" class="ml-1 o_doc_link" target="_blank"></a>
                                             </div>
                                             <div class="text-muted">
                                                 Send texts to your contacts
@@ -188,7 +188,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label string="Import &amp; Export" for="module_base_import"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/general/base_import/import_faq.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/general/export_import_data.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Allow users to import data from CSV/XLS/XLSX/ODS files
                                 </div>
@@ -215,7 +215,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label string="Mail Plugin" for="module_mail_plugin"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/sales/crm/optimize/outlook_extension.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/sales/crm/optimize/outlook_extension.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Integrate with mail client plugins
                                     </div>
@@ -227,7 +227,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label string="Outlook Calendar" for="module_microsoft_calendar"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/general/calendars/outlook/outlook_calendar.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/general/calendars/outlook/outlook_calendar.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Synchronize your calendar with Outlook
                                     </div>
@@ -256,7 +256,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label string="Google Calendar" for="module_google_calendar"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/general/calendars/google/google_calendar_credentials.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/general/calendars/google/google_calendar_credentials.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Synchronize your calendar with Google Calendar
                                     </div>
@@ -314,7 +314,7 @@
                                 </div>
                                 <div class="o_setting_right_pane" name="auth_ldap_right_pane">
                                     <label string="LDAP Authentication" for="module_auth_ldap"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/general/auth/ldap.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/general/auth/ldap.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                        Use LDAP credentials to log in
                                     </div>
@@ -329,7 +329,7 @@
                                 </div>
                                 <div class="o_setting_right_pane" id="web_unsplash_settings">
                                     <label for="module_web_unsplash"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/general/unsplash/unsplash_access_key.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/websites/website/optimize/unsplash.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Find free high-resolution images from Unsplash
                                     </div>
diff --git a/addons/crm/views/res_config_settings_views.xml b/addons/crm/views/res_config_settings_views.xml
index 0bc6794e609..2f27cad426b 100644
--- a/addons/crm/views/res_config_settings_views.xml
+++ b/addons/crm/views/res_config_settings_views.xml
@@ -82,7 +82,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="crm_use_auto_assignment"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/sales/crm/track_leads/lead_scoring.html#assign-leads"
+                                <a href="https://www.odoo.com/documentation/15.0/applications/sales/crm/track_leads/lead_scoring.html#assign-leads"
                                     title="Assign Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     <span>Periodically assign leads based on rules</span><br />
@@ -142,7 +142,7 @@
 
                             <div class="o_setting_right_pane" id="crm_iap_mine_settings">
                                 <label string="Lead Mining" for="module_crm_iap_mine"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/sales/crm/acquire_leads/lead_mining.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/sales/crm/acquire_leads/lead_mining.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Generate new leads based on their country, industry, size, etc.
                                 </div>
diff --git a/addons/hw_posbox_homepage/views/layout.html b/addons/hw_posbox_homepage/views/layout.html
index 5d0d7c6e768..d597becfc62 100644
--- a/addons/hw_posbox_homepage/views/layout.html
+++ b/addons/hw_posbox_homepage/views/layout.html
@@ -137,7 +137,7 @@
         </div>
         <div class="footer">
             <a href='https://www.odoo.com/help'>Help</a>
-            <a href='https://www.odoo.com/documentation/14.0/applications/productivity/iot.html'>Documentation</a>
+            <a href='https://www.odoo.com/documentation/15.0/applications/productivity/iot.html'>Documentation</a>
         </div>
     </body>
 </html>
diff --git a/addons/hw_posbox_homepage/views/upgrade_page.html b/addons/hw_posbox_homepage/views/upgrade_page.html
index 81fe2c3b3dd..118b96ceb76 100644
--- a/addons/hw_posbox_homepage/views/upgrade_page.html
+++ b/addons/hw_posbox_homepage/views/upgrade_page.html
@@ -73,7 +73,7 @@
         However the preferred method to upgrade the IoTBox is to flash the sd-card with
         the <a href='https://nightly.odoo.com/master/iotbox/iotbox-latest.zip'>latest image</a>. The upgrade
         procedure is explained into to the
-        <a href='https://www.odoo.com/documentation/14.0/applications/productivity/iot.html'>IoTBox manual</a>
+        <a href='https://www.odoo.com/documentation/15.0/applications/productivity/iot.html'>IoTBox manual</a>
     </p>
     <p>
         To upgrade the IoTBox, click on the upgrade button. The upgrade will take a few minutes. <b>Do not reboot</b> the IoTBox during the upgrade.
diff --git a/addons/iap/views/res_config_settings.xml b/addons/iap/views/res_config_settings.xml
index f9445958542..0517b26d4e6 100644
--- a/addons/iap/views/res_config_settings.xml
+++ b/addons/iap/views/res_config_settings.xml
@@ -23,8 +23,8 @@ if records:
                             <div class='o_setting_right_pane'>
                                 <div class="o_form_label">
                                 Odoo IAP
-                                <a href="https://www.odoo.com/documentation/14.0/applications/general/in_app_purchase/in_app_purchase.html" title="Documentation" class="o_doc_link" target="_blank"></a>
-                                <a href="https://www.odoo.com/documentation/14.0/developer/webservices/iap.html" title="Documentation" class="ml-1 o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/general/in_app_purchase.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/developer/misc/api/iap.html" title="Documentation" class="ml-1 o_doc_link" target="_blank"></a>
                                 </div>
                                 <div class="text-muted">
                                     View your IAP Services and recharge your credits
diff --git a/addons/l10n_cl/__manifest__.py b/addons/l10n_cl/__manifest__.py
index ceccce3b446..d0014bb166b 100644
--- a/addons/l10n_cl/__manifest__.py
+++ b/addons/l10n_cl/__manifest__.py
@@ -9,7 +9,7 @@ Chilean accounting chart and tax localization.
 Plan contable chileno e impuestos de acuerdo a disposiciones vigentes
     """,
     'author': 'Blanco Martín & Asociados',
-    'website': 'https://www.odoo.com/documentation/14.0/applications/finance/accounting/fiscal_localizations/localizations/chile.html',
+    'website': 'https://www.odoo.com/documentation/15.0/applications/finance/accounting/fiscal_localizations/localizations/chile.html',
     'category': 'Accounting/Localizations/Account Charts',
     'depends': [
         'contacts',
diff --git a/addons/mail/views/res_config_settings_views.xml b/addons/mail/views/res_config_settings_views.xml
index b05f226c2ba..343f707c032 100644
--- a/addons/mail/views/res_config_settings_views.xml
+++ b/addons/mail/views/res_config_settings_views.xml
@@ -32,7 +32,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="external_email_server_default"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/productivity/discuss/advanced/email_servers.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/productivity/discuss/advanced/email_servers.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted" id="external_email_server_default">
                                     Configure your own email servers
                                 </div>
diff --git a/addons/mrp/views/res_config_settings_views.xml b/addons/mrp/views/res_config_settings_views.xml
index d3dd90cb263..362dbe9d1d1 100644
--- a/addons/mrp/views/res_config_settings_views.xml
+++ b/addons/mrp/views/res_config_settings_views.xml
@@ -18,7 +18,7 @@
                                 </div>
                                 <div class="o_setting_right_pane" id="workorder_settings">
                                     <label for="group_mrp_routings" string="Work Orders"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/manufacturing/management/bill_configuration.html#adding-a-routing" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/manufacturing/management/bill_configuration.html#adding-a-routing" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Process operations at specific work centers
                                     </div>
@@ -37,7 +37,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_mrp_subcontracting"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/manufacturing/management/subcontracting.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/manufacturing/management/subcontracting.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Subcontract the production of some products
                                     </div>
@@ -96,7 +96,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_mrp_mps"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/manufacturing/management/use_mps.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/manufacturing/management/use_mps.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Plan manufacturing or purchase orders based on forecasts
                                     </div>
@@ -109,7 +109,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label string="Security Lead Time" for="use_manufacturing_lead"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/management/planning/scheduled_dates.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/management/planning/scheduled_dates.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
                                     <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." role="img" aria-label="Values set here are company-specific." groups="base.group_multi_company"/>
                                     <div class="text-muted">
                                         Schedule manufacturing orders earlier to avoid delays
diff --git a/addons/payment/wizards/payment_acquirer_onboarding_templates.xml b/addons/payment/wizards/payment_acquirer_onboarding_templates.xml
index 784ce47ce29..2579bf8f15c 100644
--- a/addons/payment/wizards/payment_acquirer_onboarding_templates.xml
+++ b/addons/payment/wizards/payment_acquirer_onboarding_templates.xml
@@ -37,7 +37,7 @@
                                     <span>Start selling directly without an account; an email will be sent by Paypal to create your new account and collect your payments.</span>
                                 </p>
                                 <p attrs="{'invisible': [('paypal_user_type', '=', 'new_user')]}">
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/general/payment_acquirers/paypal.html" target="_blank">
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/general/payment_acquirers/paypal.html" target="_blank">
                                         <span><i class="fa fa-arrow-right"/> How to configure your PayPal account</span>
                                     </a>
                                 </p>
diff --git a/addons/payment_authorize/views/payment_views.xml b/addons/payment_authorize/views/payment_views.xml
index e404725d06e..bd53469b278 100644
--- a/addons/payment_authorize/views/payment_views.xml
+++ b/addons/payment_authorize/views/payment_views.xml
@@ -18,7 +18,7 @@
                                 name="action_update_merchant_details"
                                 string="Generate Client Key"/>
                     </div>
-                    <a colspan="2" href="https://www.odoo.com/documentation/14.0/applications/general/payment_acquirers/authorize.html" target="_blank">
+                    <a colspan="2" href="https://www.odoo.com/documentation/15.0/applications/general/payment_acquirers/authorize.html" target="_blank">
                         How to get paid with Authorize.Net
                     </a>
                 </group>
diff --git a/addons/payment_paypal/views/payment_views.xml b/addons/payment_paypal/views/payment_views.xml
index 91855c3b5a3..0d1f37ba9b8 100644
--- a/addons/payment_paypal/views/payment_views.xml
+++ b/addons/payment_paypal/views/payment_views.xml
@@ -17,7 +17,7 @@
                     <field name="paypal_pdt_token" groups="base.group_no_one"/>
                     <field name="paypal_use_ipn"
                            attrs="{'required':[('provider', '=', 'paypal'), ('state', '!=', 'disabled')]}"/>
-                    <a href="https://www.odoo.com/documentation/14.0/applications/general/payment_acquirers/paypal.html"
+                    <a href="https://www.odoo.com/documentation/15.0/applications/general/payment_acquirers/paypal.html"
                        target="_blank"
                        colspan="2">
                         How to configure your paypal account?
diff --git a/addons/point_of_sale/views/pos_config_view.xml b/addons/point_of_sale/views/pos_config_view.xml
index 2e06d77ea45..c426f1a4ae2 100644
--- a/addons/point_of_sale/views/pos_config_view.xml
+++ b/addons/point_of_sale/views/pos_config_view.xml
@@ -345,7 +345,7 @@
                                         <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/14.0/applications/finance/accounting/taxation/taxes/B2B_B2C.html"
+                                        href="https://www.odoo.com/documentation/15.0/applications/finance/accounting/taxation/taxes/B2B_B2C.html"
                                         target="_blank" class="oe-link"><i class="fa fa-fw fa-arrow-right"/>How to manage tax-included prices</a>
                                 </div>
                             </div>
diff --git a/addons/point_of_sale/views/res_config_settings_views.xml b/addons/point_of_sale/views/res_config_settings_views.xml
index 4884bfb185f..d1c22709426 100644
--- a/addons/point_of_sale/views/res_config_settings_views.xml
+++ b/addons/point_of_sale/views/res_config_settings_views.xml
@@ -97,7 +97,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="group_cash_rounding"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/sales/point_of_sale/shop/cash_rounding.html"
+                                <a href="https://www.odoo.com/documentation/15.0/applications/sales/point_of_sale/shop/cash_rounding.html"
                                     title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Define the smallest coinage of the currency used to pay by cash
@@ -133,7 +133,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="module_pos_mercury" string="Vantiv (US &amp; Canada)"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/sales/point_of_sale/payment/vantiv.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/sales/point_of_sale/payment/vantiv.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Accept payments with a Vantiv payment terminal
                                 </div>
@@ -149,7 +149,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="module_pos_six" string="Six"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/sales/point_of_sale/payment/six.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/sales/point_of_sale/payment/six.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Accept payments with a Six payment terminal
                                 </div>
diff --git a/addons/purchase/views/res_config_settings_views.xml b/addons/purchase/views/res_config_settings_views.xml
index 970a5501ef4..ebb1bdf3af1 100644
--- a/addons/purchase/views/res_config_settings_views.xml
+++ b/addons/purchase/views/res_config_settings_views.xml
@@ -62,7 +62,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="module_purchase_requisition"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/purchase/manage_deals/agreements.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/purchase/manage_deals/agreements.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Manage your purchase agreements (call for tenders, blanket orders)
                                 </div>
@@ -89,7 +89,7 @@
                             <div class="o_setting_left_pane"/>
                             <div class="o_setting_right_pane">
                                 <label for="default_purchase_method"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/purchase/manage_deals/control_bills.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/purchase/manage_deals/control_bills.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Quantities billed by vendors
                                 </div>
@@ -108,7 +108,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="module_account_3way_match"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/purchase/manage_deals/control_bills.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/purchase/manage_deals/control_bills.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Make sure you only pay bills for which you received the goods you ordered
                                 </div>
@@ -123,7 +123,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="group_product_variant"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/sales/sales/products_prices/products/variants.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/sales/sales/products_prices/products/variants.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Purchase variants of a product using attributes (size, color, etc.)
                                 </div>
diff --git a/addons/purchase_stock/views/res_config_settings_views.xml b/addons/purchase_stock/views/res_config_settings_views.xml
index 8bfcde0322b..612cbb545ed 100644
--- a/addons/purchase_stock/views/res_config_settings_views.xml
+++ b/addons/purchase_stock/views/res_config_settings_views.xml
@@ -17,7 +17,7 @@
 						</div>
 						<div class="o_setting_right_pane">
 							<label for="module_stock_dropshipping"/>
-							<a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/management/delivery/dropshipping.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+							<a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/management/delivery/dropshipping.html" title="Documentation" class="o_doc_link" target="_blank"></a>
 							<div class="text-muted">
 								Request your vendors to deliver to your customers
 							</div>
@@ -45,7 +45,7 @@
 					</div>
 					<div class="o_setting_right_pane">
 						<label for="use_po_lead"/>
-						<a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/management/planning/scheduled_dates.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
+						<a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/management/planning/scheduled_dates.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
 						<span class="fa fa-lg fa-building-o" title="Values set here are company-specific." groups="base.group_multi_company"/>
 						<div class="text-muted">
 							Schedule receivings earlier to avoid delays
diff --git a/addons/sale/views/res_config_settings_views.xml b/addons/sale/views/res_config_settings_views.xml
index f1ffea82bd6..03541845e48 100644
--- a/addons/sale/views/res_config_settings_views.xml
+++ b/addons/sale/views/res_config_settings_views.xml
@@ -17,7 +17,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="group_product_variant"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/sales/sales/products_prices/products/variants.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/sales/sales/products_prices/products/variants.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Sell variants of a product using attributes (size, color, etc.)
                                 </div>
@@ -127,7 +127,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="group_product_pricelist"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/sales/sales/products_prices/prices/pricing.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/sales/sales/products_prices/prices/pricing.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Set multiple prices per product, automated discounts, etc.
                                 </div>
@@ -179,7 +179,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="portal_confirmation_sign"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/sales/sales/send_quotations/get_signature_to_validate.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/sales/sales/send_quotations/get_signature_to_validate.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
                                 <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." groups="base.group_multi_company"/>
                                 <div class="text-muted">
                                     Request an online signature to confirm orders
@@ -192,7 +192,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="portal_confirmation_pay"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/sales/sales/send_quotations/get_paid_to_validate.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/sales/sales/send_quotations/get_paid_to_validate.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
                                 <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." groups="base.group_multi_company"/>
                                 <div class="text-muted">
                                     Request an online payment to confirm orders
@@ -220,7 +220,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="group_sale_delivery_address"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/sales/sales/send_quotations/different_addresses.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/sales/sales/send_quotations/different_addresses.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Select specific invoice and delivery addresses
                                 </div>
@@ -382,7 +382,7 @@
                              title="This default value is applied to any new product created. This can be changed in the product detail form.">
                             <div class="o_setting_right_pane">
                                 <label for="default_invoice_policy"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/sales/sales/invoicing/invoicing_policy.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/sales/sales/invoicing/invoicing_policy.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Quantities to invoice from sales orders
                                 </div>
@@ -414,7 +414,7 @@
                             <div class="o_setting_left_pane"/>
                             <div class="o_setting_right_pane">
                                 <span class="o_form_label">Down Payments</span>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/sales/sales/invoicing/down_payment.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/sales/sales/invoicing/down_payment.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Product used for down payments
                                 </div>
@@ -432,7 +432,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="module_sale_amazon"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/sales/sales/amazon_connector/setup.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/sales/sales/amazon_connector/setup.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Import Amazon orders and sync deliveries
                                 </div>
diff --git a/addons/sale_management/views/res_config_settings_views.xml b/addons/sale_management/views/res_config_settings_views.xml
index 3fbdc4d8069..03c9d6d3e88 100644
--- a/addons/sale_management/views/res_config_settings_views.xml
+++ b/addons/sale_management/views/res_config_settings_views.xml
@@ -14,7 +14,7 @@
                     </div>
                     <div class="o_setting_right_pane">
                         <label for="group_sale_order_template"/>
-                        <a href="https://www.odoo.com/documentation/14.0/applications/sales/sales/send_quotations/quote_template.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                        <a href="https://www.odoo.com/documentation/15.0/applications/sales/sales/send_quotations/quote_template.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                         <div class="text-muted">
                             Create standardized offers with default products
                         </div>
diff --git a/addons/sale_stock/views/res_config_settings_views.xml b/addons/sale_stock/views/res_config_settings_views.xml
index dc6f5b5b22c..e5a2723943f 100644
--- a/addons/sale_stock/views/res_config_settings_views.xml
+++ b/addons/sale_stock/views/res_config_settings_views.xml
@@ -57,7 +57,7 @@
                     </div>
                     <div class="o_setting_right_pane">
                         <label for="use_security_lead"/>
-                        <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/management/planning/scheduled_dates.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
+                        <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/management/planning/scheduled_dates.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
                         <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." role="img" aria-label="Values set here are company-specific." groups="base.group_multi_company"/>
                         <div class="text-muted">
                             Schedule deliveries earlier to avoid delays
diff --git a/addons/stock/views/res_config_settings_views.xml b/addons/stock/views/res_config_settings_views.xml
index ce18bbedad4..c5aae6489e5 100644
--- a/addons/stock/views/res_config_settings_views.xml
+++ b/addons/stock/views/res_config_settings_views.xml
@@ -19,7 +19,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_stock_tracking_lot"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/management/products/usage.html#packages" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/management/products/usage.html#packages" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Put your products in packs (e.g. parcels, boxes) and track them
                                     </div>
@@ -115,7 +115,7 @@
                                 </div>
                                 <div class="o_setting_right_pane" id="barcode_settings">
                                     <label for="module_stock_barcode"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/barcode/setup/software.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/barcode/setup/software.html" title="Documentation" class="mr-2 o_doc_link" target="_blank"></a>
                                     <span class="fa fa-lg fa-building-o" title="Values set here are company-specific." groups="base.group_multi_company"/>
                                     <div class="text-muted" name="stock_barcode">
                                         Process operations faster with barcodes
@@ -190,7 +190,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_delivery_ups"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Compute shipping costs and ship with UPS
                                     </div>
@@ -205,7 +205,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_delivery_dhl"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Compute shipping costs and ship with DHL
                                     </div>
@@ -220,7 +220,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_delivery_fedex"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Compute shipping costs and ship with FedEx
                                     </div>
@@ -235,7 +235,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_delivery_usps"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Compute shipping costs and ship with USPS
                                     </div>
@@ -250,7 +250,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_delivery_bpost"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Compute shipping costs and ship with bpost
                                     </div>
@@ -266,7 +266,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="module_delivery_easypost"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/shipping/setup/third_party_shipper.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Compute shipping costs and ship with Easypost
                                     </div>
@@ -284,7 +284,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_product_variant"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/sales/sales/products_prices/products/variants.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/sales/sales/products_prices/products/variants.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Set product attributes (e.g. color, size) to manage variants
                                     </div>
@@ -301,7 +301,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_uom"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/management/products/uom.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/management/products/uom.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Sell and purchase products in different units of measure
                                     </div>
@@ -320,7 +320,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_stock_packaging"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/management/products/usage.html#packaging" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/management/products/usage.html#packaging" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Manage product packagings (e.g. pack of 6 bottles, box of 10 pieces)
                                     </div>
@@ -340,7 +340,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_stock_production_lot"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/management/lots_serial_numbers/differences.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/management/lots_serial_numbers/differences.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Get a full traceability from vendors to customers
                                     </div>
@@ -377,7 +377,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_stock_tracking_owner"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/management/misc/owned_stock.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/management/misc/owned_stock.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Set owner on stored products
                                     </div>
@@ -394,7 +394,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_stock_multi_locations"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/management/warehouses/difference_warehouse_location.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/management/warehouses/difference_warehouse_location.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Track product location in your warehouse
                                     </div>
@@ -414,7 +414,7 @@
                                 </div>
                                 <div class="o_setting_right_pane">
                                     <label for="group_stock_adv_location"/>
-                                    <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/routes/concepts/use-routes.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                    <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/routes/concepts/use-routes.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                     <div class="text-muted">
                                         Use your own routes
                                     </div>
diff --git a/addons/stock_account/views/res_config_settings_views.xml b/addons/stock_account/views/res_config_settings_views.xml
index b71030bcd71..d82e7f7906c 100644
--- a/addons/stock_account/views/res_config_settings_views.xml
+++ b/addons/stock_account/views/res_config_settings_views.xml
@@ -17,7 +17,7 @@
                             </div>
                             <div class="o_setting_right_pane">
                                 <label for="module_stock_landed_costs"/>
-                                <a href="https://www.odoo.com/documentation/14.0/applications/inventory_and_mrp/inventory/management/reporting/integrating_landed_costs.html" title="Documentation" class="o_doc_link" target="_blank"></a>
+                                <a href="https://www.odoo.com/documentation/15.0/applications/inventory_and_mrp/inventory/management/reporting/integrating_landed_costs.html" title="Documentation" class="o_doc_link" target="_blank"></a>
                                 <div class="text-muted">
                                     Add additional cost (transport, customs, ...) in the value of the product.
                                 </div>
diff --git a/addons/web/static/src/webclient/user_menu/user_menu_items.js b/addons/web/static/src/webclient/user_menu/user_menu_items.js
index bac6b3527bf..7a021927e20 100644
--- a/addons/web/static/src/webclient/user_menu/user_menu_items.js
+++ b/addons/web/static/src/webclient/user_menu/user_menu_items.js
@@ -7,7 +7,7 @@ import { _lt } from "../../core/l10n/translation";
 import { session } from "@web/session";
 
 function documentationItem(env) {
-    const documentationURL = "https://www.odoo.com/documentation/14.0";
+    const documentationURL = "https://www.odoo.com/documentation/15.0";
     return {
         type: "item",
         id: "documentation",
diff --git a/addons/web_unsplash/static/src/xml/unsplash_image_widget.xml b/addons/web_unsplash/static/src/xml/unsplash_image_widget.xml
index 08397efe65a..5a5f0fd70e0 100644
--- a/addons/web_unsplash/static/src/xml/unsplash_image_widget.xml
+++ b/addons/web_unsplash/static/src/xml/unsplash_image_widget.xml
@@ -34,7 +34,7 @@
             <div class="form-inline">
                 <div class="form-group">
                     <span>
-                        <a href="https://www.odoo.com/documentation/14.0/applications/general/unsplash/unsplash_access_key.html" target="_blank">Get an Access key</a>
+                        <a href="https://www.odoo.com/documentation/15.0/applications/websites/website/optimize/unsplash.html#generate-an-unsplash-access-key" target="_blank">Get an Access key</a>
                         and paste it here:
                         <input type="text" class="form-control w-auto" id="accessKeyInput" placeholder="Paste your access key here"/>
                     </span>
@@ -42,7 +42,7 @@
                 <div class="form-group my-md-3">
                     <span class="ml-xl-1">
                         and paste
-                        <a href="https://www.odoo.com/documentation/14.0/applications/general/unsplash/unsplash_application_id.html" target="_blank">Application ID</a>
+                        <a href="https://www.odoo.com/documentation/15.0/applications/websites/website/optimize/unsplash.html#generate-an-unsplash-application-id" target="_blank">Application ID</a>
                         here:
                         <input type="text" class="form-control w-auto" id="appIdInput" placeholder="Paste your application ID here"/>
                     </span>
diff --git a/addons/web_unsplash/views/res_config_settings_view.xml b/addons/web_unsplash/views/res_config_settings_view.xml
index 5f61ee8e2c4..c4d96b92eb4 100644
--- a/addons/web_unsplash/views/res_config_settings_view.xml
+++ b/addons/web_unsplash/views/res_config_settings_view.xml
@@ -12,7 +12,7 @@
                         <field name="unsplash_access_key"/>
                     </div>
                     <div>
-                        <a href="https://www.odoo.com/documentation/14.0/applications/general/unsplash/unsplash_access_key.html" class="oe_link" target="_blank">
+                        <a href="https://www.odoo.com/documentation/15.0/applications/websites/website/optimize/unsplash.html#generate-an-unsplash-access-key" class="oe_link" target="_blank">
                             <i class="fa fa-arrow-right"/> Generate an Access Key
                         </a>
                     </div>
diff --git a/addons/website/static/src/xml/website.backend.xml b/addons/website/static/src/xml/website.backend.xml
index fdb25242cbb..853ad8a9885 100644
--- a/addons/website/static/src/xml/website.backend.xml
+++ b/addons/website/static/src/xml/website.backend.xml
@@ -68,7 +68,7 @@
         </a>
         <br/><br/>
         Your Client ID: <input type="text" name="ga_client_id" t-att-value="ga_key" style="width: 100%"></input>
-        <a href="https://www.odoo.com/documentation/14.0/applications/websites/website/optimize/google_analytics_dashboard.html" target="_blank">
+        <a href="https://www.odoo.com/documentation/15.0/applications/websites/website/optimize/google_analytics_dashboard.html" target="_blank">
             <i class="fa fa-arrow-right"/>
             How to get my Client ID
         </a>
diff --git a/addons/website/views/res_config_settings_views.xml b/addons/website/views/res_config_settings_views.xml
index 8c48cfeebe3..1983d52b14c 100644
--- a/addons/website/views/res_config_settings_views.xml
+++ b/addons/website/views/res_config_settings_views.xml
@@ -290,7 +290,7 @@
                                         </div>
                                     </div>
                                     <div attrs="{'invisible': [('has_google_analytics', '=', False)]}">
-                                        <a href="https://www.odoo.com/documentation/14.0/applications/websites/website/optimize/google_analytics.html"
+                                        <a href="https://www.odoo.com/documentation/15.0/applications/websites/website/optimize/google_analytics.html"
                                                 class="oe_link" target="_blank">
                                             <i class="fa fa-arrow-right"/>
                                             How to get my Measurement ID
@@ -343,7 +343,7 @@
                                         </div>
                                     </div>
                                     <div attrs="{'invisible': [('has_google_analytics_dashboard', '=', False)]}">
-                                        <a href="https://www.odoo.com/documentation/14.0/applications/websites/website/optimize/google_analytics_dashboard.html"
+                                        <a href="https://www.odoo.com/documentation/15.0/applications/websites/website/optimize/google_analytics_dashboard.html"
                                             class="oe_link" target="_blank">
                                             <i class="fa fa-arrow-right"/>
                                             How to get my Client ID
diff --git a/odoo/addons/base/models/res_users.py b/odoo/addons/base/models/res_users.py
index c3bb0ef16fd..b57556f7f7a 100644
--- a/odoo/addons/base/models/res_users.py
+++ b/odoo/addons/base/models/res_users.py
@@ -981,7 +981,7 @@ 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/14.0/administration/deployment/deploy.html#https for details.",
+                    "https://www.odoo.com/documentation/15.0/administration/install/deploy.html#https for details.",
                     source
                 )
             raise AccessDenied(_("Too many login failures, please wait a bit before trying again."))
diff --git a/odoo/addons/base/views/res_users_views.xml b/odoo/addons/base/views/res_users_views.xml
index 0d2d627c3ff..dee5cba9102 100644
--- a/odoo/addons/base/views/res_users_views.xml
+++ b/odoo/addons/base/views/res_users_views.xml
@@ -471,7 +471,7 @@
                             </group>
                             <group groups="base.group_no_one">
                                 <div class="o_horizontal_separator">Developer API Keys
-                                    <a href="https://www.odoo.com/documentation/14.0/developer/webservices/odoo.html#api-keys" target="_blank">
+                                    <a href="https://www.odoo.com/documentation/15.0/developer/misc/api/odoo.html#api-keys" target="_blank">
                                         <i title="Documentation" class="fa fa-fw o_button_icon fa-info-circle"></i>
                                     </a>
                                 </div>
diff --git a/odoo/addons/test_lint/tests/_odoo_checker_gettext.py b/odoo/addons/test_lint/tests/_odoo_checker_gettext.py
index b7de4c4f651..cbe2db05e56 100644
--- a/odoo/addons/test_lint/tests/_odoo_checker_gettext.py
+++ b/odoo/addons/test_lint/tests/_odoo_checker_gettext.py
@@ -12,7 +12,7 @@ class OdooBaseChecker(checkers.BaseChecker):
         'E8502': (
             'Bad usage of _, _lt function.',
             'gettext-variable',
-            'See https://www.odoo.com/documentation/14.0/developer/reference/translations.html#variables'
+            'See https://www.odoo.com/documentation/15.0/developer/misc/i18n/translations.html#variables'
         )
     }
 
diff --git a/odoo/http.py b/odoo/http.py
index c6a05a3fe5d..b232fded828 100644
--- a/odoo/http.py
+++ b/odoo/http.py
@@ -785,7 +785,7 @@ class HttpRequest(WebRequest):
 
 Odoo URLs are CSRF-protected by default (when accessed with unsafe
 HTTP methods). See
-https://www.odoo.com/documentation/14.0/developer/reference/http.html#csrf for
+https://www.odoo.com/documentation/15.0/developer/reference/addons/http.html#csrf for
 more details.
 
 * if this endpoint is accessed through Odoo via py-QWeb form, embed a CSRF