diff --git a/addons/anonymization/wizard/anonymize_wizard.py b/addons/anonymization/wizard/anonymize_wizard.py
index 4ba71b03455..7bf914ba742 100644
--- a/addons/anonymization/wizard/anonymize_wizard.py
+++ b/addons/anonymization/wizard/anonymize_wizard.py
@@ -127,6 +127,9 @@ class IrModelFieldsAnonymizeWizard(models.TransientModel):
     @api.multi
     def anonymize_database(self):
         """Sets the 'anonymized' state to defined fields"""
+        # pylint: disable=W0101
+        raise UserError("""The Odoo Migration Platform no longer accepts anonymized databases.\n
+            If you wish for your data to remain private during migration, please contact us at upgrade@odoo.com""")
         self.ensure_one()
 
         # create a new history record:
diff --git a/addons/crm/models/crm_lead.py b/addons/crm/models/crm_lead.py
index 0b6a8929258..c8589eb43c8 100644
--- a/addons/crm/models/crm_lead.py
+++ b/addons/crm/models/crm_lead.py
@@ -699,6 +699,8 @@ class Lead(models.Model):
     @api.model
     def _get_duplicated_leads_by_emails(self, partner_id, email, include_lost=False):
         """ Search for opportunities that have the same partner and that arent done or cancelled """
+        if not email:
+            return []
         partner_match_domain = []
         for email in set(email_split(email) + [email]):
             partner_match_domain.append(('email_from', '=ilike', email))
diff --git a/addons/delivery/models/sale_order.py b/addons/delivery/models/sale_order.py
index ec3bb082fc5..c79913d99e9 100644
--- a/addons/delivery/models/sale_order.py
+++ b/addons/delivery/models/sale_order.py
@@ -81,6 +81,9 @@ class SaleOrder(models.Model):
 
     def _create_delivery_line(self, carrier, price_unit):
         SaleOrderLine = self.env['sale.order.line']
+        if self.partner_id:
+            # set delivery detail in the customer language
+            carrier = carrier.with_context(lang=self.partner_id.lang)
 
         # Apply fiscal position
         taxes = carrier.product_id.taxes_id.filtered(lambda t: t.company_id.id == self.company_id.id)
diff --git a/addons/purchase/models/account_invoice.py b/addons/purchase/models/account_invoice.py
index 23b3386fa9d..e7e801429d1 100644
--- a/addons/purchase/models/account_invoice.py
+++ b/addons/purchase/models/account_invoice.py
@@ -27,11 +27,12 @@ class AccountInvoice(models.Model):
         purchase_line_ids = self.invoice_line_ids.mapped('purchase_line_id')
         purchase_ids = self.invoice_line_ids.mapped('purchase_id').filtered(lambda r: r.order_line <= purchase_line_ids)
 
-        result['domain'] = {'purchase_id': [
-            ('invoice_status', '=', 'to invoice'),
-            ('partner_id', 'child_of', self.partner_id.id),
-            ('id', 'not in', purchase_ids.ids),
-            ]}
+        domain = [('invoice_status', '=', 'to invoice')]
+        if self.partner_id:
+            domain += [('partner_id', 'child_of', self.partner_id.id)]
+        if purchase_ids:
+            domain += [('id', 'not in', purchase_ids.ids)]
+        result['domain'] = {'purchase_id': domain}
         return result
 
     def _prepare_invoice_line_from_po_line(self, line):
diff --git a/doc/cla/corporate/brain-tec.md b/doc/cla/corporate/brain-tec.md
index f598f64eb1b..46e4e2d3646 100644
--- a/doc/cla/corporate/brain-tec.md
+++ b/doc/cla/corporate/brain-tec.md
@@ -38,3 +38,4 @@ Raúl Martín raul.martin@braintec-group.com https://github.com/BT-rmartin
 Silvan Wyden silvan.wyden@braintec-group.com https://github.com/BT-swyden
 Timka Piric Muratovic timka.piric@braintec-group.com https://github.com/BT-tpiric
 Pascal Zenklusen pascal.zenklusen@braintec-group.com https://github.com/BT-pzenklusen
+Nadal Francisco Garcia nadal.francisco@braintec-group.com https://github.com/BT-nfrancisco
\ No newline at end of file
diff --git a/doc/cla/individual/as400it.md b/doc/cla/individual/as400it.md
new file mode 100644
index 00000000000..d42536df0d6
--- /dev/null
+++ b/doc/cla/individual/as400it.md
@@ -0,0 +1,11 @@
+Italy, 2018-08-08
+
+I hereby agree to the terms of the Odoo Individual Contributor License
+Agreement v1.0.
+
+I declare that I am authorized and able to make this agreement and sign this
+declaration.
+
+Signed,
+
+Marco Calcagni mcalcagni@dinamicheaziendali.it https://github.com/As400it
diff --git a/odoo/addons/base/res/res.lang.csv b/odoo/addons/base/res/res.lang.csv
index 8de2be3a327..2452927d718 100644
--- a/odoo/addons/base/res/res.lang.csv
+++ b/odoo/addons/base/res/res.lang.csv
@@ -6,9 +6,9 @@
 "base.lang_bs_BA","Bosnian / bosanski jezik","bs_BA","bs","Left-to-Right","[]",",",,"%d.%m.%Y","%H:%M:%S","True"
 "base.lang_bg","Bulgarian / български език","bg_BG","bg","Left-to-Right","[3,0]",",",,"%d.%m.%Y","%H,%M,%S","True"
 "base.lang_ca_ES","Catalan / Català","ca_ES","ca_ES","Left-to-Right","[3,0]",",",".","%d/%m/%Y","%H:%M:%S","True"
-"base.lang_zh_CN","Chinese (CN) / 简体中文","zh_CN","zh_CN","Left-to-Right","[3,0]",".",",","%Y年%m月%d日","%H时%M分%S秒","True"
+"base.lang_zh_CN","Chinese (Simplified) / 简体中文","zh_CN","zh_CN","Left-to-Right","[3,0]",".",",","%Y年%m月%d日","%H时%M分%S秒","True"
 "base.lang_zh_HK","Chinese (HK)","zh_HK","zh_HK","Left-to-Right","[3,0]",".",",","%Y年%m月%d日 %A","%I時%M分%S秒","True"
-"base.lang_zh_TW","Chinese (TW) / 正體字","zh_TW","zh_TW","Left-to-Right","[3,0]",".",",","%Y年%m月%d日","%H時%M分%S秒","True"
+"base.lang_zh_TW","Chinese (Traditional) / 正體字","zh_TW","zh_TW","Left-to-Right","[3,0]",".",",","%Y年%m月%d日","%H時%M分%S秒","True"
 "base.lang_hr","Croatian / hrvatski jezik","hr_HR","hr","Left-to-Right","[]",",",,"%d.%m.%Y","%H:%M:%S","True"
 "base.lang_cs_CZ","Czech / Čeština","cs_CZ","cs_CZ","Left-to-Right","[3,0]",","," ","%d.%m.%Y","%H:%M:%S","True"
 "base.lang_da_DK","Danish / Dansk","da_DK","da_DK","Left-to-Right","[3,0]",",",".","%d-%m-%Y","%H:%M:%S","True"
diff --git a/odoo/exceptions.py b/odoo/exceptions.py
index c318f9ecdac..6807485e80a 100644
--- a/odoo/exceptions.py
+++ b/odoo/exceptions.py
@@ -46,6 +46,10 @@ class RedirectWarning(Exception):
       :param string button_text: text to put on the button that will trigger
           the redirection.
     """
+    # using this RedirectWarning won't crash if used as an except_orm
+    @property
+    def name(self):
+        return self.args[0]
 
 
 class AccessDenied(Exception):
diff --git a/odoo/tools/misc.py b/odoo/tools/misc.py
index a036932f6fc..32300440bac 100644
--- a/odoo/tools/misc.py
+++ b/odoo/tools/misc.py
@@ -1078,10 +1078,7 @@ def formatLang(env, value, digits=None, grouping=True, monetary=False, dp=False,
         return ''
 
     lang = env.context.get('lang') or env.user.company_id.partner_id.lang or 'en_US'
-    lang_objs = env['res.lang'].search([('code', '=', lang)])
-    if not lang_objs:
-        lang_objs = env['res.lang'].search([], limit=1)
-    lang_obj = lang_objs[0]
+    lang_obj = env['res.lang']._lang_get(lang)
 
     res = lang_obj.format('%.' + str(digits) + 'f', value, grouping=grouping, monetary=monetary)
 
diff --git a/requirements.txt b/requirements.txt
index 96736e9917d..44b4fcb11c0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ gevent==1.3.4 ; sys_platform != 'win32' and python_version >= '3.7'
 greenlet==0.4.10 ; python_version < '3.7'
 greenlet==0.4.13 ; python_version >= '3.7'
 html2text==2016.9.19
-Jinja2==2.8
+Jinja2==2.8.1
 lxml==3.7.1 ; sys_platform != 'win32' and python_version < '3.7'
 lxml==4.2.3 ; sys_platform != 'win32' and python_version >= '3.7'
 lxml ; sys_platform == 'win32'