diff --git a/docsource/modules150-160.rst b/docsource/modules150-160.rst
index 8aa0a516b41e..d628c9784756 100644
--- a/docsource/modules150-160.rst
+++ b/docsource/modules150-160.rst
@@ -720,7 +720,7 @@ Module coverage 15.0 -> 16.0
 +-------------------------------------------------+----------------------+-------------------------------------------------+
 | sale_sms                                        |                      |                                                 |
 +-------------------------------------------------+----------------------+-------------------------------------------------+
-| sale_stock                                      |                      |                                                 |
+| sale_stock                                      | Done                 |                                                 |
 +-------------------------------------------------+----------------------+-------------------------------------------------+
 | sale_stock_margin                               |                      |                                                 |
 +-------------------------------------------------+----------------------+-------------------------------------------------+
diff --git a/openupgrade_scripts/scripts/sale_stock/16.0.1.0/pre-migration.py b/openupgrade_scripts/scripts/sale_stock/16.0.1.0/pre-migration.py
new file mode 100644
index 000000000000..86c9234a9eba
--- /dev/null
+++ b/openupgrade_scripts/scripts/sale_stock/16.0.1.0/pre-migration.py
@@ -0,0 +1,57 @@
+# Copyright 2023 Coop IT Easy SC
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from openupgradelib import openupgrade
+
+
+def compute_sale_order_delivery_status(env):
+    openupgrade.add_fields(
+        env,
+        [
+            (
+                "delivery_status",
+                "sale.order",
+                False,
+                "selection",
+                False,
+                "sale_stock",
+            )
+        ],
+    )
+    openupgrade.logged_query(
+        env.cr,
+        """
+        with so_delivery_status as (
+            select
+                sale_id as id,
+                case
+                    when
+                        count(state) filter (
+                            where state = 'cancel'
+                        ) = count(state)
+                        then null
+                    when
+                        count(state) filter (
+                            where state not in ('done', 'cancel')
+                        ) = 0
+                        then 'full'
+                    when
+                        count(state) filter (where state = 'done') > 0
+                        then 'partial'
+                    else 'pending'
+                end as delivery_status
+            from stock_picking
+            group by 1
+            order by 1
+        )
+        update sale_order as so
+        set delivery_status = so_delivery_status.delivery_status
+        from so_delivery_status
+        where so_delivery_status.id = so.id;
+        """,
+    )
+
+
+@openupgrade.migrate()
+def migrate(env, version):
+    compute_sale_order_delivery_status(env)
diff --git a/openupgrade_scripts/scripts/sale_stock/16.0.1.0/upgrade_analysis_work.txt b/openupgrade_scripts/scripts/sale_stock/16.0.1.0/upgrade_analysis_work.txt
new file mode 100644
index 000000000000..a9230552603d
--- /dev/null
+++ b/openupgrade_scripts/scripts/sale_stock/16.0.1.0/upgrade_analysis_work.txt
@@ -0,0 +1,16 @@
+---Models in module 'sale_stock'---
+---Fields in module 'sale_stock'---
+sale_stock   / sale.order               / delivery_status (selection)   : NEW selection_keys: ['full', 'partial', 'pending'], isfunction: function, stored
+# DONE: pre-migration: fast computed delivery_status
+sale_stock   / sale.order               / incoterm_location (char)      : NEW
+sale_stock   / sale.order.line          / product_type (selection)      : module is now 'sale' ('sale_stock')
+sale_stock   / sale.order.line          / route_id (many2one)           : relation is now 'stock.route' ('stock.location.route') [nothing to do]
+sale_stock   / stock.location.route     / sale_selectable (boolean)     : DEL
+sale_stock   / stock.route              / sale_selectable (boolean)     : NEW
+# NOTHING TO DO
+---XML records in module 'sale_stock'---
+DEL ir.ui.menu: sale_stock.menu_aftersale
+DEL ir.ui.menu: sale_stock.menu_invoiced
+DEL ir.ui.view: sale_stock.product_template_view_form_inherit_sale
+DEL ir.ui.view: sale_stock.product_template_view_form_inherit_stock
+# NOTHING TO DO