diff --git a/addons/web/static/src/views/utils.js b/addons/web/static/src/views/utils.js
index f4b03dc9fcd..34bebefcd01 100644
--- a/addons/web/static/src/views/utils.js
+++ b/addons/web/static/src/views/utils.js
@@ -266,12 +266,12 @@ export function toStringExpression(str) {
 }
 
 /**
- * Generate a unique identifier.
+ * Generate a unique identifier (64 bits) in hexadecimal.
  *
  * @returns {string}
  */
 export function uuid() {
-    const array = new Uint8Array(16);
+    const array = new Uint8Array(8);
     window.crypto.getRandomValues(array);
     // Uint8Array to hex
     return [...array].map((b) => b.toString(16).padStart(2, "0")).join("");
diff --git a/odoo/addons/test_new_api/tests/test_properties.py b/odoo/addons/test_new_api/tests/test_properties.py
index 9bd8ba86ab5..9e9f2c63861 100644
--- a/odoo/addons/test_new_api/tests/test_properties.py
+++ b/odoo/addons/test_new_api/tests/test_properties.py
@@ -230,18 +230,20 @@ class PropertiesCase(TransactionCase):
             }])
             self.env.invalidate_all()
 
-        with self.assertQueryCount(7):
+        with self.assertQueryCount(8):
             messages = self.env['test_new_api.message'].create([{
                 'name': 'Test Message',
                 'discussion': self.discussion_1.id,
                 'author': self.user.id,
                 'attributes': [{
-                    'name': 'discussion_color_code',
-                    'string': 'New Label',
+                    # no name, should be automatically generated
+                    'string': 'Discussion Color code',
                     'type': 'char',
                     'default': 'blue',
                     'value': 'purple',
+                    'definition_changed': True,
                 }, {
+                    # the name is already set and shouldn't be re-generated
                     'name': 'moderator_partner_id',
                     'string': 'Partner',
                     'type': 'many2one',
@@ -254,7 +256,6 @@ class PropertiesCase(TransactionCase):
                 'discussion': self.discussion_2.id,
                 'author': self.user.id,
                 'attributes': [{
-                    'name': 'state',
                     'type': 'selection',
                     'string': 'Status',
                     'selection': [
@@ -269,12 +270,18 @@ class PropertiesCase(TransactionCase):
             self.env.invalidate_all()
 
         sql_definition = self._get_sql_definition(self.discussion_1)
+        self.assertEqual(len(sql_definition), 2)
+
+        # check the generated name
+        property_color_name = sql_definition[0]['name']
+        self.assertTrue(property_color_name, msg="Property name must have been generated")
+
         self.assertEqual(sql_definition, [
             {
-                'name': 'discussion_color_code',
-                'type': 'char', 'string':
-                'New Label', 'default':
-                'blue'
+                'name': property_color_name,
+                'default': 'blue',
+                'string': 'Discussion Color code',
+                'type': 'char',
             }, {
                 'name': 'moderator_partner_id',
                 'type': 'many2one',
@@ -284,7 +291,7 @@ class PropertiesCase(TransactionCase):
         ])
 
         self.assertEqual(
-            self.discussion_1.attributes_definition[0]['string'], 'New Label',
+            self.discussion_1.attributes_definition[0]['string'], 'Discussion Color code',
             msg='Should have updated the definition record')
 
         self.assertEqual(len(messages), 2)
@@ -293,11 +300,12 @@ class PropertiesCase(TransactionCase):
         self.assertEqual(
             sql_properties_1,
             {'moderator_partner_id': self.partner.id,
-             'discussion_color_code': 'purple'})
+             property_color_name: 'purple'})
         sql_properties_2 = self._get_sql_properties(messages[1])
+        status_name = self.discussion_2.attributes_definition[0]['name']
         self.assertEqual(
             sql_properties_2,
-            {'state': 'draft'})
+            {status_name: 'draft'})
 
         properties_values_1 = messages[0].attributes
         properties_values_2 = messages[1].attributes
diff --git a/odoo/fields.py b/odoo/fields.py
index 5d820edcbaf..fef6a507c69 100644
--- a/odoo/fields.py
+++ b/odoo/fields.py
@@ -16,6 +16,7 @@ import enum
 import itertools
 import json
 import logging
+import uuid
 import warnings
 
 from markupsafe import Markup
@@ -3198,8 +3199,8 @@ class Properties(Field):
     # names to their corresponding value, like
     #
     #       {
-    #           '3adf37f3258cfe40f0907d9cbdd7d091': 'red',
-    #           'aa34746a6851ee4ea1f8d95746e45788': 1337,
+    #           '3adf37f3258cfe40': 'red',
+    #           'aa34746a6851ee4e': 1337,
     #       }
     #
     def convert_to_column(self, value, record, values=None, validate=True):
@@ -3254,13 +3255,13 @@ class Properties(Field):
     # corresponding value, like
     #
     #       [{
-    #           'name': '3adf37f3258cfe40f0907d9cbdd7d091',
+    #           'name': '3adf37f3258cfe40',
     #           'string': 'Color Code',
     #           'type': 'char',
     #           'default': 'blue',
     #           'value': 'red',
     #       }, {
-    #           'name': 'aa34746a6851ee4ea1f8d95746e45788',
+    #           'name': 'aa34746a6851ee4e',
     #           'string': 'Partner',
     #           'type': 'many2one',
     #           'comodel': 'test_new_api.partner',
@@ -3283,13 +3284,13 @@ class Properties(Field):
     # field values have a display name.
     #
     #       [{
-    #           'name': '3adf37f3258cfe40f0907d9cbdd7d091',
+    #           'name': '3adf37f3258cfe40',
     #           'string': 'Color Code',
     #           'type': 'char',
     #           'default': 'blue',
     #           'value': 'red',
     #       }, {
-    #           'name': 'aa34746a6851ee4ea1f8d95746e45788',
+    #           'name': 'aa34746a6851ee4e',
     #           'string': 'Partner',
     #           'type': 'many2one',
     #           'comodel': 'test_new_api.partner',
@@ -3493,6 +3494,19 @@ class Properties(Field):
                         for many2many_value in property_value
                     ]
 
+    @classmethod
+    def _add_missing_names(cls, values_list):
+        """Generate new properties name if needed.
+
+        Modify in place "values_list".
+
+        :param values_list: List of properties definition with properties value
+        """
+        for definition in values_list:
+            if definition.get('definition_changed') and not definition.get('name'):
+                # keep only the first 64 bits
+                definition['name'] = str(uuid.uuid4()).replace('-', '')[:16]
+
     @classmethod
     def _parse_json_types(cls, values_list, env, check_existence=True):
         """Parse the value stored in the JSON.
@@ -3563,13 +3577,13 @@ class Properties(Field):
         E.G.
             Input list:
             [{
-                'name': '3adf37f3258cfe40f0907d9cbdd7d091',
+                'name': '3adf37f3258cfe40',
                 'string': 'Color Code',
                 'type': 'char',
                 'default': 'blue',
                 'value': 'red',
             }, {
-                'name': 'aa34746a6851ee4ea1f8d95746e45788',
+                'name': 'aa34746a6851ee4e',
                 'string': 'Partner',
                 'type': 'many2one',
                 'comodel': 'test_new_api.partner',
@@ -3578,8 +3592,8 @@ class Properties(Field):
 
             Output dict:
             {
-                '3adf37f3258cfe40f0907d9cbdd7d091': 'red',
-                'aa34746a6851ee4ea1f8d95746e45788': 1337,
+                '3adf37f3258cfe40': 'red',
+                'aa34746a6851ee4e': 1337,
             }
 
         :param values_list: List of properties definition and value
@@ -3588,6 +3602,8 @@ class Properties(Field):
         if not is_list_of(values_list, dict):
             raise ValueError(f'Wrong properties value {values_list!r}')
 
+        cls._add_missing_names(values_list)
+
         dict_value = {}
         for property_definition in values_list:
             property_value = property_definition.get('value')
@@ -3650,13 +3666,13 @@ class PropertiesDefinition(Field):
         might contain the name_get of those records (and will be removed).
 
         [{
-            'name': '3adf37f3258cfe40f0907d9cbdd7d091',
+            'name': '3adf37f3258cfe40',
             'string': 'Color Code',
             'type': 'char',
             'default': 'blue',
             'default': 'red',
         }, {
-            'name': 'aa34746a6851ee4ea1f8d95746e45788',
+            'name': 'aa34746a6851ee4e',
             'string': 'Partner',
             'type': 'many2one',
             'comodel': 'test_new_api.partner',