diff --git a/docsource/modules180-190.rst b/docsource/modules180-190.rst
index bfa5945f484..c92e1ccc576 100644
--- a/docsource/modules180-190.rst
+++ b/docsource/modules180-190.rst
@@ -1032,7 +1032,7 @@ Module coverage 18.0 -> 19.0
 +---------------------------------------------------+----------------------+-------------------------------------------------+
 | sale_sms                                          |                      |                                                 |
 +---------------------------------------------------+----------------------+-------------------------------------------------+
-| sale_stock                                        |                      |                                                 |
+| sale_stock                                        |Done                  |                                                 |
 +---------------------------------------------------+----------------------+-------------------------------------------------+
 | sale_stock_margin                                 |                      |                                                 |
 +---------------------------------------------------+----------------------+-------------------------------------------------+
diff --git a/openupgrade_scripts/scripts/sale_stock/19.0.1.0/post-migration.py b/openupgrade_scripts/scripts/sale_stock/19.0.1.0/post-migration.py
new file mode 100644
index 00000000000..8227262c41a
--- /dev/null
+++ b/openupgrade_scripts/scripts/sale_stock/19.0.1.0/post-migration.py
@@ -0,0 +1,19 @@
+# Copyright 2026 Hunki Enterprises BV
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from openupgradelib import openupgrade
+
+
+@openupgrade.migrate()
+def migrate(env, version):
+    openupgrade.load_data(env, "sale_stock", "19.0.1.0/noupdate_changes.xml")
+    openupgrade.m2o_to_x2m(
+        env.cr,
+        env["sale.order"],
+        "sale_order",
+        "stock_reference_ids",
+        "procurement_group_id",
+    )
+    openupgrade.m2o_to_x2m(
+        env.cr, env["sale.order.line"], "sale_order_line", "route_ids", "route_id"
+    )
diff --git a/openupgrade_scripts/scripts/sale_stock/19.0.1.0/pre-migration.py b/openupgrade_scripts/scripts/sale_stock/19.0.1.0/pre-migration.py
new file mode 100644
index 00000000000..6265cda78d7
--- /dev/null
+++ b/openupgrade_scripts/scripts/sale_stock/19.0.1.0/pre-migration.py
@@ -0,0 +1,27 @@
+# Copyright 2026 Hunki Enterprises BV
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from openupgradelib import openupgrade
+
+_renamed_field_references = [
+    (
+        "stock.reference",
+        "sale_id",
+        "sale_ids",
+    ),
+    (
+        "sale.order",
+        "procurement_group_id",
+        "stock_reference_ids",
+    ),
+    (
+        "sale.order.line",
+        "route_id",
+        "route_ids",
+    ),
+]
+
+
+@openupgrade.migrate()
+def migrate(env, version):
+    openupgrade.rename_field_references(env, _renamed_field_references)
diff --git a/openupgrade_scripts/scripts/sale_stock/19.0.1.0/upgrade_analysis_work.txt b/openupgrade_scripts/scripts/sale_stock/19.0.1.0/upgrade_analysis_work.txt
new file mode 100644
index 00000000000..72a2ed1ed38
--- /dev/null
+++ b/openupgrade_scripts/scripts/sale_stock/19.0.1.0/upgrade_analysis_work.txt
@@ -0,0 +1,31 @@
+---Models in module 'sale_stock'---
+---Fields in module 'sale_stock'---
+sale_stock   / procurement.group        / sale_id (many2one)            : DEL relation: sale.order
+
+# DONE: see sale.order#stock_reference_ids
+
+sale_stock   / sale.order               / procurement_group_id (many2one): DEL relation: procurement.group
+sale_stock   / sale.order               / stock_reference_ids (many2many): NEW relation: stock.reference
+
+# DONE: m2o_to_x2m conversion
+
+sale_stock   / sale.order.line          / route_id (many2one)           : DEL relation: stock.route
+sale_stock   / sale.order.line          / route_ids (many2many)         : NEW relation: stock.route
+
+# DONE: m2o_to_x2m conversion
+
+sale_stock   / stock.reference          / sale_ids (many2many)          : NEW relation: sale.order
+
+# DONE: see sale.order#stock_reference_ids
+
+---XML records in module 'sale_stock'---
+DEL ir.model.access: sale_stock.access_product_packaging_sale_manager
+DEL ir.model.access: sale_stock.access_product_packaging_user
+NEW ir.rule: sale_stock.sale_order_line_rule_stock_user (noupdate)
+NEW ir.ui.view: sale_stock.portal_my_orders
+NEW ir.ui.view: sale_stock.sale_stock_sale_order_view_search_inherit
+NEW ir.ui.view: sale_stock.stock_reference_sale_view_form
+DEL ir.ui.view: sale_stock.sale_order_cancel_view_form_inherit
+DEL ir.ui.view: sale_stock.view_order_form_inherit_sale_stock_qty
+
+# NOTHING TO DO