diff --git a/addons/hr/models/hr_version.py b/addons/hr/models/hr_version.py
index dc0db8c913f95..93a658d9321d6 100644
--- a/addons/hr/models/hr_version.py
+++ b/addons/hr/models/hr_version.py
@@ -195,11 +195,6 @@ def _get_hr_responsible_domain(self):
         'An employee cannot have multiple active versions sharing the same effective date.',
     )
 
-    _check_wage_positive = models.Constraint(
-        'CHECK(wage >= 0)',
-        'The wage must be a positive value.',
-    )
-
     @api.depends('employee_id.company_id')
     def _compute_company_id(self):
         for version in self:
diff --git a/addons/hr/static/src/components/button_new_contract/button_new_contract.xml b/addons/hr/static/src/components/button_new_contract/button_new_contract.xml
index cb5594de67892..ff1d8447bf582 100644
--- a/addons/hr/static/src/components/button_new_contract/button_new_contract.xml
+++ b/addons/hr/static/src/components/button_new_contract/button_new_contract.xml
@@ -3,7 +3,7 @@
     <t t-name="hr.ButtonNewContract">
         <span class="w-100 d-flex justify-content-end">
             <button class="btn btn-link p-0 o_field_widget text-end w-auto" t-on-click="onClickNewContractBtn"
-                    t-ref="datetime-picker-target-new-contract" t-if="props.record.data.contract_date_start">New Contract</button>
+                    t-ref="datetime-picker-target-new-contract">New Contract</button>
         </span>
     </t>
 </template>
diff --git a/addons/hr/tests/test_hr_version.py b/addons/hr/tests/test_hr_version.py
index a2b8e3ab298c2..241f7632a7926 100644
--- a/addons/hr/tests/test_hr_version.py
+++ b/addons/hr/tests/test_hr_version.py
@@ -520,27 +520,6 @@ def test_multi_edit_other_and_contract_date_sync(self):
             self.assertEqual(version.job_id.id, jobB.id)
             self.assertEqual(version.contract_date_end, date(2020, 9, 30))
 
-    def test_delete_version(self):
-        employee = self.env['hr.employee'].create({
-            'name': 'John Doe',
-            'date_version': '2020-01-01',
-        })
-        v1 = employee.version_id
-        v2 = employee.create_version({
-            'date_version': '2021-01-01',
-        })
-        v3 = employee.create_version({
-            'date_version': '2022-01-01',
-        })
-        self.assertEqual(employee.current_version_id, v3)
-
-        v3.unlink()
-        self.assertEqual(employee.current_version_id, v2)
-        v1.unlink()
-        self.assertEqual(employee.current_version_id, v2)
-        with self.assertRaises(ValidationError):
-            v2.unlink()
-
     def test_multi_edit_multi_employees_no_contract(self):
         """
         Test the multi-edit when there is one version per employee, without contract
@@ -697,3 +676,20 @@ def test_hr_version_fields_tracking(self):
             fields_without_tracking,
             f"The following hr.version fields should have tracking=True: {fields_without_tracking}",
         )
+
+    def test_delete_hr_version(self):
+        employee = self.env['hr.employee'].create(
+            {
+                'name': 'John Doe',
+                'date_version': '2024-01-01',
+            }
+        )
+
+        version1 = employee.version_id
+        version2 = employee.create_version({
+            'date_version': '2025-01-01',
+        })
+
+        version1.unlink()
+        with self.assertRaises(ValidationError):
+            version2.unlink()
diff --git a/addons/hr/views/hr_employee_views.xml b/addons/hr/views/hr_employee_views.xml
index 3a733cf199e42..08dd2b395ff16 100644
--- a/addons/hr/views/hr_employee_views.xml
+++ b/addons/hr/views/hr_employee_views.xml
@@ -370,7 +370,7 @@
                                             <span invisible="not contract_date_start">to</span>
                                             <field name="contract_date_end" string="End Date" placeholder="Indefinite"
                                                 class="o_hr_narrow_field ms-3" invisible="not contract_date_start"/>
-                                            <widget name="button_new_contract"/>
+                                            <widget name="button_new_contract" invisible="not contract_date_start"/>
                                         </div>
                                         <label for="wage"/>
                                         <div class="o_row" name="wage">
diff --git a/addons/hr_holidays/models/hr_leave_type.py b/addons/hr_holidays/models/hr_leave_type.py
index dd65558ae9c06..f93d621cc8a73 100644
--- a/addons/hr_holidays/models/hr_leave_type.py
+++ b/addons/hr_holidays/models/hr_leave_type.py
@@ -272,14 +272,15 @@ def _search_max_leaves(self, operator, value):
         return [('id', 'in', valid_leaves)]
 
     def _search_virtual_remaining_leaves(self, operator, value):
-        def is_valid(leave_type):
-            return not leave_type.requires_allocation or op(leave_type.virtual_remaining_leaves, value)
         op = PY_OPERATORS.get(operator)
         if not op:
             return NotImplemented
         if operator != 'in':
             value = float(value)
         leave_types = self.env['hr.leave.type'].search([])
+
+        def is_valid(leave_type):
+            return not leave_type.requires_allocation or op(leave_type.virtual_remaining_leaves, value)
         return [('id', 'in', leave_types.filtered(is_valid).ids)]
 
     @api.depends_context('employee_id', 'default_employee_id', 'leave_date_from', 'default_date_from')
diff --git a/addons/hr_holidays/tests/test_hr_leave_type.py b/addons/hr_holidays/tests/test_hr_leave_type.py
index b7732013987c5..f2ae35af62bc7 100644
--- a/addons/hr_holidays/tests/test_hr_leave_type.py
+++ b/addons/hr_holidays/tests/test_hr_leave_type.py
@@ -114,3 +114,59 @@ def test_users_tz_shift_back(self):
             ).search([('has_valid_allocation', '=', True)], limit=1)
 
         self.assertFalse(leave_types, "Got valid leaves outside vaild period")
+
+    def test_search_virtual_remaining_leaves(self):
+        employee = self.env['hr.employee'].create({'name': 'Test Employee'})
+        leave_type_1 = self.env['hr.leave.type'].create({
+            'name': 'Test Leave 1',
+            'requires_allocation': True,
+        })
+        leave_type_2 = self.env['hr.leave.type'].create({
+            'name': 'Test Leave 2',
+            'requires_allocation': False,
+        })
+
+        self.env['hr.leave.allocation'].sudo().create({
+            'state': 'confirm',
+            'holiday_status_id': leave_type_1.id,
+            'employee_id': employee.id,
+            'number_of_days': 4,
+            'date_from': '2025-01-01',
+            'date_to': '2025-12-31',
+        }).action_approve()
+
+        result = (
+            self.env["hr.leave.type"]
+            .with_context(employee_id=employee.id)
+            .search([("virtual_remaining_leaves", ">", 0)])
+        )
+        self.assertIn(
+            leave_type_1, result, "Leave Type 1 should be in the result as it has remaining leaves",
+        )
+        self.assertIn(
+            leave_type_2, result, "Leave Type 2 should be in the result since it does not require allocation",
+        )
+
+        result = (
+            self.env["hr.leave.type"]
+            .with_context(employee_id=employee.id)
+            .search([("virtual_remaining_leaves", "=", 0)])
+        )
+        self.assertNotIn(
+            leave_type_1, result, "Leave Type 1 should not be in the result as it has remaining leaves != 0",
+        )
+        self.assertIn(
+            leave_type_2, result, "Leave Type 2 should be in the result since it does not require allocation",
+        )
+
+        result = (
+            self.env["hr.leave.type"]
+            .with_context(employee_id=employee.id)
+            .search([("virtual_remaining_leaves", ">", 4)])
+        )
+        self.assertNotIn(
+            leave_type_1, result, "Leave Type 1 should not be in the result",
+        )
+        self.assertIn(
+            leave_type_2, result, "Leave Type 2 should be in the result since it does not require allocation",
+        )
diff --git a/addons/hr_skills/report/hr_employee_certification_report_views.xml b/addons/hr_skills/report/hr_employee_certification_report_views.xml
index 779796d0449fe..ee4394a120b6b 100644
--- a/addons/hr_skills/report/hr_employee_certification_report_views.xml
+++ b/addons/hr_skills/report/hr_employee_certification_report_views.xml
@@ -44,4 +44,5 @@
             </search>
         </field>
     </record>
+
 </odoo>