diff --git a/product_configurator/README.rst b/product_configurator/README.rst
index 284d996f1..85eb1450e 100644
--- a/product_configurator/README.rst
+++ b/product_configurator/README.rst
@@ -17,13 +17,13 @@ Product Configurator
     :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
     :alt: License: AGPL-3
 .. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fproduct--configurator-lightgray.png?logo=github
-    :target: https://github.com/OCA/product-configurator/tree/17.0/product_configurator
+    :target: https://github.com/OCA/product-configurator/tree/18.0/product_configurator
     :alt: OCA/product-configurator
 .. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
-    :target: https://translation.odoo-community.org/projects/product-configurator-17-0/product-configurator-17-0-product_configurator
+    :target: https://translation.odoo-community.org/projects/product-configurator-18-0/product-configurator-18-0-product_configurator
     :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/product-configurator&target_branch=17.0
+    :target: https://runboat.odoo-community.org/builds?repo=OCA/product-configurator&target_branch=18.0
     :alt: Try me on Runboat
 
 |badge1| |badge2| |badge3| |badge4| |badge5|
@@ -42,7 +42,7 @@ Bug Tracker
 Bugs are tracked on `GitHub Issues <https://github.com/OCA/product-configurator/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/product-configurator/issues/new?body=module:%20product_configurator%0Aversion:%2017.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+`feedback <https://github.com/OCA/product-configurator/issues/new?body=module:%20product_configurator%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.
 
@@ -82,6 +82,6 @@ Current `maintainer <https://odoo-community.org/page/maintainer-role>`__:
 
 |maintainer-PCatinean| 
 
-This module is part of the `OCA/product-configurator <https://github.com/OCA/product-configurator/tree/17.0/product_configurator>`_ project on GitHub.
+This module is part of the `OCA/product-configurator <https://github.com/OCA/product-configurator/tree/18.0/product_configurator>`_ project on GitHub.
 
 You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.
diff --git a/product_configurator/__manifest__.py b/product_configurator/__manifest__.py
index 6daf59370..52a389dd9 100644
--- a/product_configurator/__manifest__.py
+++ b/product_configurator/__manifest__.py
@@ -1,6 +1,6 @@
 {
     "name": "Product Configurator",
-    "version": "17.0.1.0.1",
+    "version": "18.0.1.0.0",
     "category": "Generic Modules/Base",
     "summary": "Base for product configuration interface modules",
     "author": "Pledra, Odoo Community Association (OCA)",
diff --git a/product_configurator/data/menu_configurable_product.xml b/product_configurator/data/menu_configurable_product.xml
index 3823aa8ca..eb36ee49d 100644
--- a/product_configurator/data/menu_configurable_product.xml
+++ b/product_configurator/data/menu_configurable_product.xml
@@ -24,7 +24,7 @@
         <field name="name">Configurable Templates</field>
         <field name="type">ir.actions.act_window</field>
         <field name="res_model">product.template</field>
-        <field name="view_mode">kanban,tree,form</field>
+        <field name="view_mode">kanban,list,form</field>
         <field name="view_id" ref="product.product_template_kanban_view" />
         <field
             name="context"
@@ -42,7 +42,7 @@
         <field name="name">Configured Variants</field>
         <field name="type">ir.actions.act_window</field>
         <field name="res_model">product.product</field>
-        <field name="view_mode">kanban,form,tree</field>
+        <field name="view_mode">kanban,form,list</field>
         <field name="search_view_id" ref="product.product_search_form_view" />
         <field name="view_id" eval="False" />
         <!-- Force empty -->
@@ -88,7 +88,7 @@
         <field name="name">Configuration Steps</field>
         <field name="type">ir.actions.act_window</field>
         <field name="res_model">product.config.step</field>
-        <field name="view_mode">tree,form</field>
+        <field name="view_mode">list,form</field>
     </record>
 
     <menuitem
@@ -103,7 +103,7 @@
         <field name="name">Configuration Restrictions</field>
         <field name="type">ir.actions.act_window</field>
         <field name="res_model">product.config.domain</field>
-        <field name="view_mode">tree,form</field>
+        <field name="view_mode">list,form</field>
     </record>
 
     <menuitem
@@ -118,7 +118,7 @@
         <field name="name">Configuration Sessions</field>
         <field name="type">ir.actions.act_window</field>
         <field name="res_model">product.config.session</field>
-        <field name="view_mode">tree,form</field>
+        <field name="view_mode">list,form</field>
     </record>
 
     <menuitem
diff --git a/product_configurator/models/product_config.py b/product_configurator/models/product_config.py
index 0c79fbcd5..2dd80c7a3 100644
--- a/product_configurator/models/product_config.py
+++ b/product_configurator/models/product_config.py
@@ -1,10 +1,11 @@
 import logging
 from ast import literal_eval
+from itertools import chain
 
 from odoo import _, api, fields, models
 from odoo.exceptions import UserError, ValidationError
 from odoo.fields import Command
-from odoo.tools.misc import flatten, formatLang
+from odoo.tools.misc import formatLang
 
 _logger = logging.getLogger(__name__)
 
@@ -421,7 +422,10 @@ def get_cfg_weight(self, value_ids=None, custom_vals=None):
 
         self = self.with_context(active_id=product_tmpl.id)
 
-        value_ids = flatten(value_ids)
+        # Use the updated flatten method (using itertools.chain)
+        value_ids = list(
+            chain.from_iterable(v if isinstance(v, list) else [v] for v in value_ids)
+        )
 
         weight_extra = 0.0
         product_attr_val_obj = self.env["product.template.attribute.value"]
@@ -504,8 +508,6 @@ def _compute_currency_id(self):
     product_preset_id = fields.Many2one(
         comodel_name="product.product",
         string="Preset",
-        domain="[('product_tmpl_id', '=', product_tmpl_id),\
-            ('config_preset_ok', '=', True)]",
     )
 
     def action_confirm(self, product_id=None):
@@ -1009,9 +1011,7 @@ def get_next_step(
 
         adjacent_steps = self.get_adjacent_steps()
         next_step = adjacent_steps.get("next_step")
-        open_step_lines = list(
-            map(lambda x: "%s" % (x), self.get_open_step_lines().ids)
-        )
+        open_step_lines = list(map(lambda x: f"{x}", self.get_open_step_lines().ids))
 
         session_config_step = self.config_step
         if (
@@ -1173,7 +1173,7 @@ def check_and_open_incomplete_step(self, value_ids=None, custom_value_ids=None):
                 step_to_open = step
                 break
         if step_to_open:
-            return "%s" % (step_to_open.id)
+            return f"{step_to_open.id}"
         return False
 
     @api.model
@@ -1529,7 +1529,12 @@ def flatten_val_ids(self, value_ids):
         :param value_ids: list of value ids or mix of ids and list of ids
                            (e.g: [1, 2, 3, [4, 5, 6]])
         :returns: flattened list of ids ([1, 2, 3, 4, 5, 6])"""
-        flat_val_ids = set(flatten(value_ids))
+        if not isinstance(value_ids, list):
+            return [value_ids]  # Ensure single values are wrapped in a list
+
+        flat_val_ids = set(
+            chain.from_iterable(v if isinstance(v, list) else [v] for v in value_ids)
+        )
         return list(flat_val_ids)
 
     def formatPrices(self, prices=None, dp="Product Price"):
@@ -1632,7 +1637,7 @@ def _compute_val_name(self):
             uom = attr_val_custom.attribute_id.uom_id.name
             attr_val_custom.name = "{}{}".format(
                 attr_val_custom.value,
-                (" %s" % uom) or "",
+                f" {uom}" if uom else "",
             )
 
     name = fields.Char(readonly=True, compute="_compute_val_name", store=True)
diff --git a/product_configurator/static/src/js/boolean_button_widget.esm.js b/product_configurator/static/src/js/boolean_button_widget.esm.js
index 952c22542..f6f2be17d 100644
--- a/product_configurator/static/src/js/boolean_button_widget.esm.js
+++ b/product_configurator/static/src/js/boolean_button_widget.esm.js
@@ -1,8 +1,9 @@
-/** @odoo-module **/
+/* @odoo-module */
 import {BooleanField, booleanField} from "@web/views/fields/boolean/boolean_field";
 import {onMounted, onRendered, useRef} from "@odoo/owl";
 import {registry} from "@web/core/registry";
 import {standardFieldProps} from "@web/views/fields/standard_field_props";
+const {document} = globalThis;
 
 export class BooleanButton extends BooleanField {
     static template = "product_configurator.BooleanButtonField";
@@ -21,25 +22,31 @@ export class BooleanButton extends BooleanField {
     }
 
     updateConfigurableButton() {
+        // Clear previous content and append new elements
+        if (!this.root.el) {
+            return;
+        }
         this.text = this.state.value
             ? this.props.activeString
             : this.props.inactiveString;
         this.hover = this.state.value
             ? this.props.inactiveString
             : this.props.activeString;
-
         var val_color = this.state.value ? "text-success" : "text-danger";
         var hover_color = this.state.value ? "text-danger" : "text-success";
 
-        var $val = $("<span>")
-            .addClass("o_stat_text o_boolean_button o_not_hover " + val_color)
-            .text(this.text);
-        var $hover = $("<span>")
-            .addClass("o_stat_text o_boolean_button o_hover d-none " + hover_color)
-            .text(this.hover);
+        // Create elements using vanilla JS
+        const valSpan = document.createElement("span");
+        valSpan.className = `o_stat_text o_boolean_button o_not_hover ${val_color}`;
+        valSpan.textContent = this.text;
+
+        const hoverSpan = document.createElement("span");
+        hoverSpan.className = `o_stat_text o_boolean_button o_hover d-none ${hover_color}`;
+        hoverSpan.textContent = this.hover;
 
-        $(this.root.el).empty();
-        $(this.root.el).append($val).append($hover);
+        this.root.el.innerHTML = "";
+        this.root.el.appendChild(valSpan);
+        this.root.el.appendChild(hoverSpan);
     }
 }
 
diff --git a/product_configurator/tests/test_configuration_rules.py b/product_configurator/tests/test_configuration_rules.py
index 58bf1c79c..a6aee9499 100644
--- a/product_configurator/tests/test_configuration_rules.py
+++ b/product_configurator/tests/test_configuration_rules.py
@@ -4,7 +4,7 @@
 from odoo import SUPERUSER_ID, Command
 from odoo.exceptions import ValidationError
 from odoo.fields import first
-from odoo.tests.common import Form, TransactionCase
+from odoo.tests import Form, TransactionCase
 from odoo.tools.safe_eval import safe_eval
 
 
diff --git a/product_configurator/views/product_attribute_view.xml b/product_configurator/views/product_attribute_view.xml
index 99c7a1b54..eaf9128ed 100644
--- a/product_configurator/views/product_attribute_view.xml
+++ b/product_configurator/views/product_attribute_view.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <odoo>
     <!-- Product Attributes -->
-
     <record id="product_attribute_tree_view" model="ir.ui.view">
         <field name="name">product.config.product.attribute.tree</field>
         <field name="model">product.attribute</field>
@@ -83,7 +82,7 @@
         <field name="name">Attributes</field>
         <field name="type">ir.actions.act_window</field>
         <field name="res_model">product.attribute</field>
-        <field name="view_mode">tree,form</field>
+        <field name="view_mode">list,form</field>
         <field name="context">{'flag_config_ok': True}</field>
     </record>
 
@@ -96,7 +95,6 @@
     />
 
     <!-- Product Attribute Value -->
-
     <record
         id="product_template_attribute_value_view_tree_weight_extra"
         model="ir.ui.view"
@@ -109,7 +107,7 @@
             name="inherit_id"
             ref="product.product_template_attribute_value_view_tree"
         />
-        <field name="type">tree</field>
+        <field name="type">list</field>
         <field name="arch" type="xml">
             <xpath expr="//field[@name='price_extra']" position="after">
                 <field
@@ -144,7 +142,6 @@
     </record>
 
     <!-- Product Attribute Value -->
-
     <record id="product_attribute_value_list" model="ir.ui.view">
         <field name="name">product.attribute.value.list.inherit</field>
         <field name="model">product.attribute.value</field>
@@ -190,7 +187,7 @@
         <field name="name">Attribute Values</field>
         <field name="type">ir.actions.act_window</field>
         <field name="res_model">product.attribute.value</field>
-        <field name="view_mode">tree,form</field>
+        <field name="view_mode">list,form</field>
     </record>
 
     <menuitem
diff --git a/product_configurator/views/product_config_view.xml b/product_configurator/views/product_config_view.xml
index eee41f1a8..954dea15b 100644
--- a/product_configurator/views/product_config_view.xml
+++ b/product_configurator/views/product_config_view.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <odoo>
     <!-- Configuration Steps -->
-
     <record id="config_step_form_view" model="ir.ui.view">
         <field name="name">product.configurator.config.step.form</field>
         <field name="model">product.config.step</field>
@@ -23,15 +22,14 @@
         <field name="model">product.config.step</field>
         <field name="arch" type="xml">
             <form string="Configuration Step">
-                <tree name="name">
+                <list name="name">
                     <field name="name" />
-                </tree>
+                </list>
             </form>
         </field>
     </record>
 
     <!-- Configuration Restrictions -->
-
     <record id="product_config_domain_form_view" model="ir.ui.view">
         <field name="name">product.configurator.domain.form</field>
         <field name="model">product.config.domain</field>
@@ -45,7 +43,7 @@
                 <notebook>
                     <page string="Rules">
                         <field name="domain_line_ids">
-                            <tree editable="bottom">
+                            <list editable="bottom">
                                 <field name="sequence" widget="handle" />
                                 <field
                                     name="attribute_id"
@@ -64,7 +62,7 @@
                                     domain="[('id', 'in', template_attribute_value_ids)]"
                                 />
                                 <field name="operator" />
-                            </tree>
+                            </list>
                         </field>
                     </page>
                     <page string="Inherited">
@@ -89,7 +87,7 @@
                 <notebook>
                     <page string="Rules">
                         <field name="domain_line_ids">
-                            <tree editable="bottom">
+                            <list editable="bottom">
                                 <field name="sequence" widget="handle" />
 
                                 <field
@@ -110,7 +108,7 @@
                                     domain="[('id', 'in', template_attribute_value_ids)]"
                                 />
                                 <field name="operator" />
-                            </tree>
+                            </list>
                         </field>
                     </page>
                     <page string="Inherited">
@@ -125,7 +123,7 @@
         <field name="name">product.config.session.tree</field>
         <field name="model">product.config.session</field>
         <field name="arch" type="xml">
-            <tree create="false">
+            <list create="false">
                 <field name="name" />
                 <field name="product_tmpl_id" />
                 <field name="value_ids" widget="many2many_tags" />
@@ -140,7 +138,7 @@
                 <field name="config_step_name" />
                 <field name="product_id" />
                 <field name="state" />
-            </tree>
+            </list>
         </field>
     </record>
 
@@ -174,14 +172,14 @@
                     <notebook>
                         <page name="custom_vals" string="Custom Values">
                             <field name="custom_value_ids">
-                                <tree editable="bottom">
+                                <list editable="bottom">
                                     <field name="attribute_id" />
                                     <field name="value" />
                                     <field
                                         name="attachment_ids"
                                         widget="many2many_tags"
                                     />
-                                </tree>
+                                </list>
                             </field>
                         </page>
                     </notebook>
diff --git a/product_configurator/views/product_view.xml b/product_configurator/views/product_view.xml
index ef35cf6be..c1e3a46ce 100644
--- a/product_configurator/views/product_view.xml
+++ b/product_configurator/views/product_view.xml
@@ -63,7 +63,7 @@
 
             <!-- TODO: Implement a method to hide this field for non-configurable product templates -->
             <xpath
-                expr="//field[@name='attribute_line_ids']/tree/field[@name='value_ids']"
+                expr="//field[@name='attribute_line_ids']/list/field[@name='value_ids']"
                 position="after"
             >
                 <field
@@ -92,14 +92,14 @@
             </xpath>
 
             <xpath
-                expr="//field[@name='attribute_line_ids']/tree/field[@name='value_ids']"
+                expr="//field[@name='attribute_line_ids']/list/field[@name='value_ids']"
                 position="attributes"
             >
                 <attribute name="required">not custom</attribute>
             </xpath>
 
             <xpath
-                expr="//field[@name='attribute_line_ids']/tree/field[@name='attribute_id']"
+                expr="//field[@name='attribute_line_ids']/list/field[@name='attribute_id']"
                 position="attributes"
             >
                 <attribute
@@ -107,13 +107,6 @@
                 >{'flag_config_ok': context.get('default_config_ok', False)}</attribute>
             </xpath>
 
-            <xpath
-                expr="//field[@name='attribute_line_ids']/tree/field[@name='attribute_id']"
-                position="before"
-            >
-                <field name="sequence" widget="handle" />
-            </xpath>
-
             <!-- TODO: Apply domains so only values from template are available -->
             <xpath expr="//notebook/page[@name='variants']" position="after">
                 <page
@@ -132,7 +125,7 @@
                         readonly="not attribute_line_ids"
                         context="{'show_attribute': False}"
                     >
-                        <tree editable="bottom">
+                        <list editable="bottom">
                             <field name="sequence" widget="handle" />
                             <field
                                 name="attribute_line_id"
@@ -159,7 +152,7 @@
                             />
                             <field name="product_tmpl_id" column_invisible="1" />
                             <field name="template_attribute_ids" column_invisible="1" />
-                        </tree>
+                        </list>
                     </field>
                     <separator
                         colspan="4"
@@ -170,7 +163,7 @@
                         name="config_step_line_ids"
                         readonly="not attribute_line_ids"
                     >
-                        <tree editable="bottom">
+                        <list editable="bottom">
                             <field name="sequence" widget="handle" />
                             <field name="config_step_id" />
                             <field
@@ -180,7 +173,7 @@
                                 options="{'no_create': True, 'no_create_edit': True}"
                                 widget="many2many_tags"
                             />
-                        </tree>
+                        </list>
                     </field>
                     <separator
                         colspan="4"
@@ -188,7 +181,7 @@
                         name="configurator_images"
                     />
                     <field name="config_image_ids">
-                        <tree editable="bottom">
+                        <list editable="bottom">
                             <field name="sequence" widget="handle" />
                             <field name="name" />
                             <field
@@ -201,11 +194,11 @@
                                 widget="image"
                                 class="oe_prod_config_image"
                             />
-                        </tree>
+                        </list>
                     </field>
                     <field name="attribute_line_val_ids" invisible="1" />
                     <field name="attribute_value_line_ids" invisible="1">
-                        <tree
+                        <list
                             editable="bottom"
                             context="{'default_product_tmpl_id': self.id}"
                         >
@@ -224,7 +217,7 @@
                                ]"
                                 widget="many2many_tags"
                             />
-                        </tree>
+                        </list>
                     </field>
                     <separator
                         string="Variant Name"
@@ -286,7 +279,7 @@
             <xpath expr="//kanban" position="inside">
                 <field name="config_ok" />
             </xpath>
-            <xpath expr="//field[@name='priority']" position="before">
+            <xpath expr="//field[@name='is_favorite']" position="before">
                 <div
                     class="pull-right"
                     groups="product_configurator.group_product_configurator"
@@ -349,7 +342,7 @@
             <xpath expr="//kanban" position="inside">
                 <field name="config_ok" />
             </xpath>
-            <xpath expr="//strong[hasclass('o_kanban_record_title')]" position="after">
+            <xpath expr="//field[@name='is_favorite']" position="before">
                 <div
                     class="pull-right"
                     groups="product_configurator.group_product_configurator"
@@ -359,7 +352,9 @@
                         name="reconfigure_product"
                         type="object"
                         class="fa fa-repeat fa-lg"
-                    />
+                    >
+                        <span />
+                    </a>
                 </div>
             </xpath>
         </field>
diff --git a/product_configurator/wizard/product_configurator.py b/product_configurator/wizard/product_configurator.py
index 7e5152aba..dfae9ac8f 100644
--- a/product_configurator/wizard/product_configurator.py
+++ b/product_configurator/wizard/product_configurator.py
@@ -1,8 +1,9 @@
 import logging
+from itertools import chain
 
 from lxml import etree
 
-from odoo import _, api, fields, models, tools
+from odoo import _, api, fields, models
 from odoo.exceptions import UserError, ValidationError
 from odoo.fields import Command
 from odoo.tools import frozendict
@@ -53,19 +54,17 @@ def _remove_dynamic_fields(self, fields):
 
         prefixes = self._prefixes.values()
 
-        field_type = type(fields)
-
-        if field_type == list:
+        if isinstance(fields, list):
             static_fields = []
-        elif field_type == dict:
+        elif isinstance(fields, dict):
             static_fields = {}
 
         for field_name in fields:
             if any(prefix in field_name for prefix in prefixes):
                 continue
-            if field_type == list:
+            if isinstance(fields, list):
                 static_fields.append(field_name)
-            elif field_type == dict:
+            elif isinstance(fields, dict):
                 static_fields[field_name] = fields[field_name]
         return static_fields
 
@@ -276,12 +275,21 @@ def get_form_vals(
         # To solve the Multi selection problem removing extra []
         if "value_ids" in vals:
             val_ids = vals["value_ids"][0]
-            vals["value_ids"] = [[val_ids[0], val_ids[1], tools.flatten(val_ids[2])]]
+            value_data = val_ids[2]
+            if not isinstance(value_data, list):
+                flattened_values = [value_data]
+            else:
+                flattened_values = list(
+                    chain.from_iterable(
+                        i if isinstance(i, list) else [i] for i in value_data
+                    )
+                )
+            vals["value_ids"] = [Command.set(flattened_values)]
         return vals
 
     def apply_onchange_values(self, values, field_names, field_onchange):
         """Called from web-controller
-        - original onchage return M2o values in formate
+        - original onchange returns M2o values in format
         (attr-value.id, attr-value.name) but on website
         we need only attr-value.id"""
         product_tmpl_id = self.env["product.template"].browse(
@@ -300,9 +308,10 @@ def apply_onchange_values(self, values, field_names, field_onchange):
         if not state:
             state = self.state
         cfg_vals = self.env["product.attribute.value"]
-        if values.get("value_ids", []):
+        value_ids = values.get("value_ids", [])
+        if value_ids and isinstance(value_ids, list) and value_ids[0]:
             cfg_vals = self.env["product.attribute.value"].browse(
-                values.get("value_ids", [])[0][2]
+                value_ids[0][2] if len(value_ids[0]) > 2 else []
             )
         if not cfg_vals:
             cfg_vals = self.value_ids
@@ -339,9 +348,6 @@ def apply_onchange_values(self, values, field_names, field_onchange):
         # Get the unstored values from the client view
         for k, v in dynamic_fields.items():
             attr_id = int(k.split(field_prefix)[1])
-            # if isinstance(v, list):
-            #    dynamic_fields[k] = v[0][2]
-
             line_attributes = cfg_step.attribute_line_ids.mapped("attribute_id")
             if not cfg_step or attr_id in line_attributes.ids:
                 view_attribute_ids.add(attr_id)
@@ -455,8 +461,8 @@ def _onchange_product_preset(self):
             preset_id = self.env["product.product"].browse(preset_id)
         pta_value_ids = preset_id.product_template_attribute_value_ids
         attr_value_ids = pta_value_ids.mapped("product_attribute_value_id")
-        self._origin.value_ids = attr_value_ids
-        self._origin.price = (
+        self.value_ids = attr_value_ids
+        self.price = (
             preset_id and preset_id.lst_price or self.product_tmpl_id.list_price
         )
 
@@ -557,7 +563,7 @@ def fields_get(self, allfields=None, write_access=True, attributes=None):
             res[domain_field] = dict(
                 default_attrs,
                 type="binary",
-                string="Domain %s" % line.attribute_id.name,
+                string=f"Domain {line.attribute_id.name}",
                 change_default=True,
             )
 
@@ -566,7 +572,7 @@ def fields_get(self, allfields=None, write_access=True, attributes=None):
             res[field_prefix + str(attribute.id)] = dict(
                 default_attrs,
                 type="many2many" if line.multi else "many2one",
-                domain="%s" % domain_field,
+                domain=f"{domain_field}",
                 string=line.attribute_id.name,
                 relation="product.attribute.value",
                 change_default=True,
@@ -878,8 +884,10 @@ def create(self, vals_list):
             )
             vals.update({"user_id": self.env.uid, "config_session_id": session.id})
             wz_value_ids = vals.get("value_ids", [])
+            # Check if wz_value_ids is not empty and has a valid structure.
             if session.value_ids and (
-                (wz_value_ids and not wz_value_ids[0][2]) or not wz_value_ids
+                not wz_value_ids
+                or (len(wz_value_ids[0]) > 2 and not wz_value_ids[0][2])
             ):
                 vals.update({"value_ids": [(6, 0, session.value_ids.ids)]})
         return super().create(vals_list)
@@ -1106,7 +1114,7 @@ def open_step(self, step):
         if not step:
             return wizard_action
         if isinstance(step, type(self.env["product.config.step.line"])):
-            step = "%s" % (step.id)
+            step = f"{step.id}"
         self.state = step
         self.config_session_id.config_step = step
         return wizard_action
diff --git a/product_configurator/wizard/product_configurator_view.xml b/product_configurator/wizard/product_configurator_view.xml
index cae08cbf7..ec1156ffe 100644
--- a/product_configurator/wizard/product_configurator_view.xml
+++ b/product_configurator/wizard/product_configurator_view.xml
@@ -47,6 +47,7 @@
                                 name="product_preset_id"
                                 invisible="not context.get('allow_preset_selection')"
                                 options="{'no_create': True}"
+                                domain="[('product_tmpl_id', '=', product_tmpl_id),('config_preset_ok', '=', True)]"
                             />
                             <separator
                                 string="To reset/change the Preset Please close and start the configuration again"
@@ -57,11 +58,11 @@
                                 invisible="state != 'select' or not attribute_line_ids"
                                 name="attribute_line_ids"
                             >
-                                <tree>
+                                <list>
                                     <field name="attribute_id" />
                                     <field name="custom" />
                                     <field name="multi" />
-                                </tree>
+                                </list>
                             </field>
                         </group>
                         <group colspan="1">