diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index 74edcddb5b3..6dcf73892e5 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -914,8 +914,6 @@ class AccountMoveLine(models.Model):
             raise UserError(_('Entries are not of the same account!'))
         if not (all_accounts[0].reconcile or all_accounts[0].internal_type == 'liquidity'):
             raise UserError(_('The account %s (%s) is not marked as reconciliable !') % (all_accounts[0].name, all_accounts[0].code))
-        if len(partners) > 1:
-            raise UserError(_('The partner has to be the same on all lines for receivable and payable accounts!'))
 
         #reconcile everything that can be
         remaining_moves = self.auto_reconcile_lines()
diff --git a/addons/stock/models/stock_warehouse.py b/addons/stock/models/stock_warehouse.py
index 48dcf54d24f..aeff7ce574a 100644
--- a/addons/stock/models/stock_warehouse.py
+++ b/addons/stock/models/stock_warehouse.py
@@ -808,7 +808,8 @@ class Orderpoint(models.Model):
         days = self.lead_days or 0.0
         if self.lead_type == 'supplier':
             # These days will be substracted when creating the PO
-            days += self.product_id._select_seller().delay or 0.0
+            qty = self.env.context.get('product_qty', 0.0)
+            days += self.product_id._select_seller(quantity=qty).delay or 0.0
         date_planned = start_date + relativedelta.relativedelta(days=days)
         return date_planned.strftime(DEFAULT_SERVER_DATETIME_FORMAT)
 
@@ -816,7 +817,7 @@ class Orderpoint(models.Model):
     def _prepare_procurement_values(self, product_qty, date=False, group=False):
         return {
             'name': self.name,
-            'date_planned': date or self._get_date_planned(datetime.today()),
+            'date_planned': date or self.with_context(product_qty=product_qty)._get_date_planned(datetime.today()),
             'product_id': self.product_id.id,
             'product_qty': product_qty,
             'company_id': self.company_id.id,
diff --git a/addons/web/static/src/js/views/list_view.js b/addons/web/static/src/js/views/list_view.js
index d875714afd2..1a60911845b 100644
--- a/addons/web/static/src/js/views/list_view.js
+++ b/addons/web/static/src/js/views/list_view.js
@@ -315,7 +315,7 @@ var ListView = View.extend({
 
                 this._limit = new_state.limit;
                 this.current_min = new_state.current_min;
-                this.reload_content().then(function() {
+                this.reload_content_when_ready().then(function() {
                     // Reset the scroll position to the top on page changed only
                     if (!limit_changed) {
                         self.set_scrollTop(0);
@@ -452,6 +452,12 @@ var ListView = View.extend({
         });
         return reloaded.promise();
     }),
+    /**
+     * Proxy allowing override when reload_content can't be called directly
+     */
+    reload_content_when_ready: function() {
+        return this.reload_content.apply(this, arguments);
+    },
     reload: function () {
         return this.reload_content();
     },
diff --git a/addons/web/static/src/js/views/list_view_editable.js b/addons/web/static/src/js/views/list_view_editable.js
index 42987a64af1..8b00fc87ead 100644
--- a/addons/web/static/src/js/views/list_view_editable.js
+++ b/addons/web/static/src/js/views/list_view_editable.js
@@ -400,6 +400,17 @@ ListView.include(/** @lends instance.web.ListView# */{
         });
         return cells;
     },
+    /**
+     * Prevent reloading content while an ongoing save
+     */
+    reload_content_when_ready: function() {
+        var self = this;
+        var self_super = this._super;
+        var original_arguments = arguments;
+        return this.saving_mutex.exec(function() {
+            return self_super.apply(self, original_arguments);
+        });
+    },
     /**
      * If currently editing a row, resizes all registered form fields based
      * on the corresponding row cell