diff --git a/addons/event_sale/models/sale_order.py b/addons/event_sale/models/sale_order.py
index 6902d8e4743..2ac4deaed5f 100644
--- a/addons/event_sale/models/sale_order.py
+++ b/addons/event_sale/models/sale_order.py
@@ -8,12 +8,13 @@ class SaleOrder(models.Model):
 
     @api.multi
     def action_confirm(self):
-        self.ensure_one()
         res = super(SaleOrder, self).action_confirm()
-        # confirm registration if it was free (otherwise it will be confirmed once invoice fully paid)
-        self.order_line._update_registrations(confirm=self.amount_total == 0, cancel_to_draft=False)
-        if any(self.order_line.filtered(lambda line: line.event_id)):
-            return self.env['ir.actions.act_window'].with_context(default_sale_order_id=self.id).for_xml_id('event_sale', 'action_sale_order_event_registration')
+        for order in self:
+            # confirm registration if it was free (otherwise it will be confirmed once invoice fully paid)
+            order.order_line._update_registrations(confirm=order.amount_total == 0, cancel_to_draft=False)
+            if any(order.order_line.filtered(lambda line: line.event_id)):
+                return self.env['ir.actions.act_window'].with_context(default_sale_order_id=order.id).for_xml_id(
+                    'event_sale', 'action_sale_order_event_registration')
         return res
 
 
diff --git a/addons/mail/views/mail_template_views.xml b/addons/mail/views/mail_template_views.xml
index d54cb59c957..9b24457450e 100644
--- a/addons/mail/views/mail_template_views.xml
+++ b/addons/mail/views/mail_template_views.xml
@@ -9,8 +9,9 @@
                     <sheet>
                         <div class="oe_button_box" name="button_box">
                             <field name="ref_ir_act_window" invisible="1"/>
-                            <button class="oe_stat_button" name="create_action" type="object"
+                            <button class="oe_stat_button"
                                     groups="base.group_system"
+                                    name="create_action" type="object"
                                     attrs="{'invisible':[('ref_ir_act_window','!=',False)]}" icon="fa-plus"
                                     help="Display an option on related documents to open a composition wizard with this template">
                                 <div class="o_field_widget o_stat_info">
@@ -18,7 +19,7 @@
                                     <span class="o_stat_text">Context Action</span>
                                 </div>
                             </button>
-                            <button name="unlink_action" type="object" 
+                            <button name="unlink_action" type="object"
                                     groups="base.group_system"
                                     class="oe_stat_button" icon="fa-minus"
                                     attrs="{'invisible':[('ref_ir_act_window','=',False)]}"
diff --git a/addons/point_of_sale/static/src/js/screens.js b/addons/point_of_sale/static/src/js/screens.js
index 172bd53a152..95a7555e5d2 100644
--- a/addons/point_of_sale/static/src/js/screens.js
+++ b/addons/point_of_sale/static/src/js/screens.js
@@ -1372,6 +1372,9 @@ var ClientListScreenWidget = ScreenWidget.extend({
     reload_partners: function(){
         var self = this;
         return this.pos.load_new_partners().then(function(){
+            // partners may have changed in the backend
+            self.partner_cache = new DomCache();
+
             self.render_list(self.pos.db.get_partners_sorted(1000));
             
             // update the currently assigned client if it has been changed in db.
diff --git a/addons/sale/models/sale.py b/addons/sale/models/sale.py
index ce19c933f9c..b49452604ce 100644
--- a/addons/sale/models/sale.py
+++ b/addons/sale/models/sale.py
@@ -1161,13 +1161,13 @@ class SaleOrderLine(models.Model):
 
     @api.onchange('product_id', 'price_unit', 'product_uom', 'product_uom_qty', 'tax_id')
     def _onchange_discount(self):
-        self.discount = 0.0
         if not (self.product_id and self.product_uom and
                 self.order_id.partner_id and self.order_id.pricelist_id and
                 self.order_id.pricelist_id.discount_policy == 'without_discount' and
                 self.env.user.has_group('sale.group_discount_per_so_line')):
             return
 
+        self.discount = 0.0
         product = self.product_id.with_context(
             lang=self.order_id.partner_id.lang,
             partner=self.order_id.partner_id.id,