diff --git a/product_cost_price_migration.diff b/product_cost_price_migration.diff
new file mode 100644
index 0000000..e26525c
--- /dev/null
+++ b/product_cost_price_migration.diff
@@ -0,0 +1,13 @@
+diff --git a/tryton/modules/product/product.py b/tryton/modules/product/product.py
+index e46f608dcb..13d04d0212 100644
+--- a/tryton/modules/product/product.py
++++ b/tryton/modules/product/product.py
+@@ -806,7 +806,7 @@ class ProductCostPrice(ModelSQL, CompanyValueMixin):
+         # Migration from 4.4: replace template by product
+         if table.column_exist('template'):
+             columns = ['create_uid', 'create_date',
+-                'write_uid', 'write_date', 'cost_price']
++                'write_uid', 'write_date', 'cost_price', 'company']
+             cursor.execute(*sql_table.insert(
+                     columns=[Column(sql_table, c) for c in columns]
+                     + [sql_table.product],
diff --git a/sale_supply_supply_on_sale.diff b/sale_supply_supply_on_sale.diff
new file mode 100644
index 0000000..5c27fb3
--- /dev/null
+++ b/sale_supply_supply_on_sale.diff
@@ -0,0 +1,20 @@
+diff --git a/product.py b/product.py
+index 08537ed..34ccc24 100644
+--- a/tryton/modules/sale_supply/product.py
++++ b/tryton/modules/sale_supply/product.py
+@@ -45,6 +56,7 @@ class Template(metaclass=PoolMeta):
+ 
+         super().__register__(module)
+ 
++        '''
+         # Migration from 6.6: convert supply_on_sale from boolean to selection
+         if migrate_supply_on_sale:
+             cursor.execute(*table.update(
+@@ -58,6 +70,7 @@ class Template(metaclass=PoolMeta):
+                     ['always'],
+                     where=h_table._temp_supply_on_sale == Literal(True)))
+             h_table_h.drop_column('_temp_supply_on_sale')
++        '''
+ 
+     @fields.depends(methods=['_notify_order_point'])
+     def on_change_notify(self):
diff --git a/sequence_exist.diff b/sequence_exist.diff
new file mode 100644
index 0000000..38d443d
--- /dev/null
+++ b/sequence_exist.diff
@@ -0,0 +1,24 @@
+diff --git a/tryton/trytond/trytond/backend/postgresql/database.py b/tryton/trytond/trytond/backend/postgresql/database.py
+index 3c891d48f3..e5ef92947c 100644
+--- a/tryton/trytond/trytond/backend/postgresql/database.py
++++ b/tryton/trytond/trytond/backend/postgresql/database.py
+@@ -676,13 +676,12 @@ class Database(DatabaseInterface):
+ 
+     def sequence_exist(self, connection, name):
+         cursor = connection.cursor()
+-        for schema in self.search_path:
+-            cursor.execute('SELECT 1 '
+-                'FROM information_schema.sequences '
+-                'WHERE sequence_name = %s AND sequence_schema = %s',
+-                (name, schema))
+-            if cursor.rowcount:
+-                return True
++        cursor.execute('SELECT 1 '
++            'FROM pg_sequences '
++            'WHERE sequencename = %s',
++            (name,))
++        if cursor.rowcount:
++            return True
+         return False
+ 
+     def sequence_create(
diff --git a/series b/series
index 7669a03..1d20315 100644
--- a/series
+++ b/series
@@ -67,3 +67,9 @@ issue12799.diff # [sao] Convert negative id value as None when set by the client
 issue12547.diff # [stock_lot] Check lot required only when changing move to done
 
 issue12823.diff # [account] Use 0 as fallback for missing debit or credit in on_change functions
+
+product_cost_price_migration.diff # [product] Add missing column in product_cost_price
+
+sequence_exist.diff # [trytond] Search sequences using pg_sequences instead of information_schema.sequences
+
+sale_supply_supply_on_sale.diff # [sale_supply] Dont try to supply_on_sale field selection.