diff --git a/stock_picking_unreserve_button/README.rst b/stock_picking_unreserve_button/README.rst
new file mode 100644
index 00000000..be46da2a
--- /dev/null
+++ b/stock_picking_unreserve_button/README.rst
@@ -0,0 +1,79 @@
+==============================
+Stock Picking Unreserve Button
+==============================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:61ae882314c4613160958d9bd491d47ace4de50324aa353684d2d62c4fac34b0
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
+    :target: https://odoo-community.org/page/development-status
+    :alt: Beta
+.. |badge2| image:: https://img.shields.io/badge/licence-AGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+    :alt: License: AGPL-3
+.. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fstock--logistics--reservation-lightgray.png?logo=github
+    :target: https://github.com/OCA/stock-logistics-reservation/tree/18.0/stock_picking_unreserve_button
+    :alt: OCA/stock-logistics-reservation
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/stock-logistics-reservation-18-0/stock-logistics-reservation-18-0-stock_picking_unreserve_button
+    :alt: Translate me on Weblate
+.. |badge5| image:: https://img.shields.io/badge/runboat-Try%20me-875A7B.png
+    :target: https://runboat.odoo-community.org/builds?repo=OCA/stock-logistics-reservation&target_branch=18.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+This module adds a button to 'Unreserve' a stock transfer in the form
+view. It was a standard button available until V16.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/stock-logistics-reservation/issues>`_.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us to smash it by providing a detailed and welcomed
+`feedback <https://github.com/OCA/stock-logistics-reservation/issues/new?body=module:%20stock_picking_unreserve_button%0Aversion:%2018.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+Do not contact contributors directly about support or help with technical issues.
+
+Credits
+=======
+
+Authors
+-------
+
+* ForgeFlow
+
+Contributors
+------------
+
+- `ForgeFlow <https://www.forgeflow.com>`__:
+
+  - Jordi Masvidal <jordi.masvidal@forgeflow.com>
+
+Maintainers
+-----------
+
+This module is maintained by the OCA.
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+This module is part of the `OCA/stock-logistics-reservation <https://github.com/OCA/stock-logistics-reservation/tree/18.0/stock_picking_unreserve_button>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.
diff --git a/stock_picking_unreserve_button/__init__.py b/stock_picking_unreserve_button/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/stock_picking_unreserve_button/__manifest__.py b/stock_picking_unreserve_button/__manifest__.py
new file mode 100644
index 00000000..07af8d2b
--- /dev/null
+++ b/stock_picking_unreserve_button/__manifest__.py
@@ -0,0 +1,14 @@
+# Copyright 2025 ForgeFlow - Jordi Masvidal
+# License AGPL-3 - See http://www.gnu.org/licenses/agpl-3.0.html
+
+{
+    "name": "Stock Picking Unreserve Button",
+    "version": "18.0.1.0.0",
+    "category": "Reservation",
+    "license": "AGPL-3",
+    "author": "ForgeFlow,Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/stock-logistics-reservation",
+    "depends": ["stock"],
+    "data": ["views/stock_picking_view.xml"],
+    "installable": True,
+}
diff --git a/stock_picking_unreserve_button/pyproject.toml b/stock_picking_unreserve_button/pyproject.toml
new file mode 100644
index 00000000..4231d0cc
--- /dev/null
+++ b/stock_picking_unreserve_button/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["whool"]
+build-backend = "whool.buildapi"
diff --git a/stock_picking_unreserve_button/readme/CONTRIBUTORS.md b/stock_picking_unreserve_button/readme/CONTRIBUTORS.md
new file mode 100644
index 00000000..1698442d
--- /dev/null
+++ b/stock_picking_unreserve_button/readme/CONTRIBUTORS.md
@@ -0,0 +1,2 @@
+- [ForgeFlow](https://www.forgeflow.com):
+  - Jordi Masvidal \<<jordi.masvidal@forgeflow.com>\>
diff --git a/stock_picking_unreserve_button/readme/DESCRIPTION.md b/stock_picking_unreserve_button/readme/DESCRIPTION.md
new file mode 100644
index 00000000..b046f2ad
--- /dev/null
+++ b/stock_picking_unreserve_button/readme/DESCRIPTION.md
@@ -0,0 +1,2 @@
+This module adds a button to 'Unreserve' a stock transfer in the form view. It was
+a standard button available until V16.
diff --git a/stock_picking_unreserve_button/static/description/icon.png b/stock_picking_unreserve_button/static/description/icon.png
new file mode 100644
index 00000000..3a0328b5
Binary files /dev/null and b/stock_picking_unreserve_button/static/description/icon.png differ
diff --git a/stock_picking_unreserve_button/static/description/index.html b/stock_picking_unreserve_button/static/description/index.html
new file mode 100644
index 00000000..0917ea78
--- /dev/null
+++ b/stock_picking_unreserve_button/static/description/index.html
@@ -0,0 +1,427 @@
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+<body>
+<div class="document" id="stock-picking-unreserve-button">
+<h1 class="title">Stock Picking Unreserve Button</h1>
+
+<!-- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+!! This file is generated by oca-gen-addon-readme !!
+!! changes will be overwritten.                   !!
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+!! source digest: sha256:61ae882314c4613160958d9bd491d47ace4de50324aa353684d2d62c4fac34b0
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
+<p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external image-reference" href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"><img alt="License: AGPL-3" src="https://img.shields.io/badge/licence-AGPL--3-blue.png" /></a> <a class="reference external image-reference" href="https://github.com/OCA/stock-logistics-reservation/tree/18.0/stock_picking_unreserve_button"><img alt="OCA/stock-logistics-reservation" src="https://img.shields.io/badge/github-OCA%2Fstock--logistics--reservation-lightgray.png?logo=github" /></a> <a class="reference external image-reference" href="https://translation.odoo-community.org/projects/stock-logistics-reservation-18-0/stock-logistics-reservation-18-0-stock_picking_unreserve_button"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external image-reference" href="https://runboat.odoo-community.org/builds?repo=OCA/stock-logistics-reservation&amp;target_branch=18.0"><img alt="Try me on Runboat" src="https://img.shields.io/badge/runboat-Try%20me-875A7B.png" /></a></p>
+<p>This module adds a button to ‘Unreserve’ a stock transfer in the form
+view. It was a standard button available until V16.</p>
+<p><strong>Table of contents</strong></p>
+<div class="contents local topic" id="contents">
+<ul class="simple">
+<li><a class="reference internal" href="#bug-tracker" id="toc-entry-1">Bug Tracker</a></li>
+<li><a class="reference internal" href="#credits" id="toc-entry-2">Credits</a><ul>
+<li><a class="reference internal" href="#authors" id="toc-entry-3">Authors</a></li>
+<li><a class="reference internal" href="#contributors" id="toc-entry-4">Contributors</a></li>
+<li><a class="reference internal" href="#maintainers" id="toc-entry-5">Maintainers</a></li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="section" id="bug-tracker">
+<h1><a class="toc-backref" href="#toc-entry-1">Bug Tracker</a></h1>
+<p>Bugs are tracked on <a class="reference external" href="https://github.com/OCA/stock-logistics-reservation/issues">GitHub Issues</a>.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us to smash it by providing a detailed and welcomed
+<a class="reference external" href="https://github.com/OCA/stock-logistics-reservation/issues/new?body=module:%20stock_picking_unreserve_button%0Aversion:%2018.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**">feedback</a>.</p>
+<p>Do not contact contributors directly about support or help with technical issues.</p>
+</div>
+<div class="section" id="credits">
+<h1><a class="toc-backref" href="#toc-entry-2">Credits</a></h1>
+<div class="section" id="authors">
+<h2><a class="toc-backref" href="#toc-entry-3">Authors</a></h2>
+<ul class="simple">
+<li>ForgeFlow</li>
+</ul>
+</div>
+<div class="section" id="contributors">
+<h2><a class="toc-backref" href="#toc-entry-4">Contributors</a></h2>
+<ul class="simple">
+<li><a class="reference external" href="https://www.forgeflow.com">ForgeFlow</a>:<ul>
+<li>Jordi Masvidal &lt;<a class="reference external" href="mailto:jordi.masvidal&#64;forgeflow.com">jordi.masvidal&#64;forgeflow.com</a>&gt;</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="section" id="maintainers">
+<h2><a class="toc-backref" href="#toc-entry-5">Maintainers</a></h2>
+<p>This module is maintained by the OCA.</p>
+<a class="reference external image-reference" href="https://odoo-community.org">
+<img alt="Odoo Community Association" src="https://odoo-community.org/logo.png" />
+</a>
+<p>OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.</p>
+<p>This module is part of the <a class="reference external" href="https://github.com/OCA/stock-logistics-reservation/tree/18.0/stock_picking_unreserve_button">OCA/stock-logistics-reservation</a> project on GitHub.</p>
+<p>You are welcome to contribute. To learn how please visit <a class="reference external" href="https://odoo-community.org/page/Contribute">https://odoo-community.org/page/Contribute</a>.</p>
+</div>
+</div>
+</div>
+</body>
+</html>
diff --git a/stock_picking_unreserve_button/views/stock_picking_view.xml b/stock_picking_unreserve_button/views/stock_picking_view.xml
new file mode 100644
index 00000000..d954aefc
--- /dev/null
+++ b/stock_picking_unreserve_button/views/stock_picking_view.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<odoo>
+    <record model="ir.ui.view" id="stock_picking_form_view">
+        <field name="name">stock.picking.form - stock_picking_unreserve_button</field>
+        <field name="model">stock.picking</field>
+        <field name="inherit_id" ref="stock.view_picking_form" />
+        <field name="arch" type="xml">
+            <button name="do_print_picking" position="before">
+                <button
+                    name="do_unreserve"
+                    string="Unreserve"
+                    groups="base.group_user"
+                    type="object"
+                    invisible="picking_type_code == 'incoming' or (state != 'assigned' and move_type != 'one') or (state not in ('assigned', 'confirmed') and move_type == 'one')"
+                />
+            </button>
+        </field>
+    </record>
+</odoo>