diff --git a/doc/notification_samples/common_payloads/InstanceActionPayload.json b/doc/notification_samples/common_payloads/InstanceActionPayload.json
index d76ac8d50130..b6b4eb37e6e9 100644
--- a/doc/notification_samples/common_payloads/InstanceActionPayload.json
+++ b/doc/notification_samples/common_payloads/InstanceActionPayload.json
@@ -5,5 +5,5 @@
     },
     "nova_object.name":"InstanceActionPayload",
     "nova_object.namespace":"nova",
-    "nova_object.version":"1.5"
+    "nova_object.version":"1.6"
 }
diff --git a/doc/notification_samples/common_payloads/InstanceActionRescuePayload.json b/doc/notification_samples/common_payloads/InstanceActionRescuePayload.json
index 8938ec185821..74fe77fff44c 100644
--- a/doc/notification_samples/common_payloads/InstanceActionRescuePayload.json
+++ b/doc/notification_samples/common_payloads/InstanceActionRescuePayload.json
@@ -4,5 +4,5 @@
         "rescue_image_ref": "a2459075-d96c-40d5-893e-577ff92e721c"
     },
     "nova_object.name": "InstanceActionRescuePayload",
-    "nova_object.version": "1.0"
+    "nova_object.version": "1.1"
 }
diff --git a/doc/notification_samples/common_payloads/InstanceActionResizePrepPayload.json b/doc/notification_samples/common_payloads/InstanceActionResizePrepPayload.json
index 1fff9078884f..c5bc75902081 100644
--- a/doc/notification_samples/common_payloads/InstanceActionResizePrepPayload.json
+++ b/doc/notification_samples/common_payloads/InstanceActionResizePrepPayload.json
@@ -27,5 +27,5 @@
         "task_state": "resize_prep"
     },
     "nova_object.name": "InstanceActionResizePrepPayload",
-    "nova_object.version": "1.0"
+    "nova_object.version": "1.1"
 }
diff --git a/doc/notification_samples/common_payloads/InstanceActionSnapshotPayload.json b/doc/notification_samples/common_payloads/InstanceActionSnapshotPayload.json
index fa3655c48d8f..32370569f5ce 100644
--- a/doc/notification_samples/common_payloads/InstanceActionSnapshotPayload.json
+++ b/doc/notification_samples/common_payloads/InstanceActionSnapshotPayload.json
@@ -5,5 +5,5 @@
     },
     "nova_object.name":"InstanceActionSnapshotPayload",
     "nova_object.namespace":"nova",
-    "nova_object.version":"1.6"
+    "nova_object.version":"1.7"
 }
diff --git a/doc/notification_samples/common_payloads/InstanceActionVolumePayload.json b/doc/notification_samples/common_payloads/InstanceActionVolumePayload.json
index 4e49c42a066e..5610cdf02202 100644
--- a/doc/notification_samples/common_payloads/InstanceActionVolumePayload.json
+++ b/doc/notification_samples/common_payloads/InstanceActionVolumePayload.json
@@ -5,5 +5,5 @@
     },
     "nova_object.name": "InstanceActionVolumePayload",
     "nova_object.namespace": "nova",
-    "nova_object.version": "1.3"
+    "nova_object.version": "1.4"
 }
\ No newline at end of file
diff --git a/doc/notification_samples/common_payloads/InstanceActionVolumeSwapPayload.json b/doc/notification_samples/common_payloads/InstanceActionVolumeSwapPayload.json
index 943cc7b84112..4737095e4126 100644
--- a/doc/notification_samples/common_payloads/InstanceActionVolumeSwapPayload.json
+++ b/doc/notification_samples/common_payloads/InstanceActionVolumeSwapPayload.json
@@ -6,5 +6,5 @@
     },
     "nova_object.name": "InstanceActionVolumeSwapPayload",
     "nova_object.namespace": "nova",
-    "nova_object.version": "1.5"
+    "nova_object.version": "1.6"
 }
diff --git a/doc/notification_samples/common_payloads/InstanceCreatePayload.json b/doc/notification_samples/common_payloads/InstanceCreatePayload.json
index 85cda5631538..f549f6b2c459 100644
--- a/doc/notification_samples/common_payloads/InstanceCreatePayload.json
+++ b/doc/notification_samples/common_payloads/InstanceCreatePayload.json
@@ -19,5 +19,5 @@
         "tags": ["tag"]
     },
     "nova_object.name":"InstanceCreatePayload",
-    "nova_object.version": "1.7"
+    "nova_object.version": "1.8"
 }
diff --git a/doc/notification_samples/common_payloads/InstancePayload.json b/doc/notification_samples/common_payloads/InstancePayload.json
index 9ee6d579bd71..aabc0eaaca78 100644
--- a/doc/notification_samples/common_payloads/InstancePayload.json
+++ b/doc/notification_samples/common_payloads/InstancePayload.json
@@ -34,9 +34,10 @@
         "flavor": {"$ref": "FlavorPayload.json#"},
         "updated_at": "2012-10-29T13:42:11Z",
         "user_id":"fake",
-        "uuid":"178b0921-8f85-4257-88b6-2e743b5a975c"
+        "uuid":"178b0921-8f85-4257-88b6-2e743b5a975c",
+        "request_id": "req-5b6c791d-5709-4f36-8fbe-c3e02869e35d"
     },
     "nova_object.name":"InstancePayload",
     "nova_object.namespace":"nova",
-    "nova_object.version":"1.5"
+    "nova_object.version":"1.6"
 }
diff --git a/doc/notification_samples/common_payloads/InstanceUpdatePayload.json b/doc/notification_samples/common_payloads/InstanceUpdatePayload.json
index 8b84a074addc..088fb1331ef9 100644
--- a/doc/notification_samples/common_payloads/InstanceUpdatePayload.json
+++ b/doc/notification_samples/common_payloads/InstanceUpdatePayload.json
@@ -29,5 +29,5 @@
     },
     "nova_object.name": "InstanceUpdatePayload",
     "nova_object.namespace": "nova",
-    "nova_object.version": "1.6"
+    "nova_object.version": "1.7"
 }
\ No newline at end of file
diff --git a/nova/compute/utils.py b/nova/compute/utils.py
index 0a86f1ec03b3..a04b6380fe1b 100644
--- a/nova/compute/utils.py
+++ b/nova/compute/utils.py
@@ -368,6 +368,7 @@ def notify_about_instance_action(context, instance, host, action, phase=None,
     """
     fault, priority = _get_fault_and_priority_from_exc(exception)
     payload = instance_notification.InstanceActionPayload(
+            context=context,
             instance=instance,
             fault=fault,
             bdms=bdms)
@@ -399,6 +400,7 @@ def notify_about_instance_create(context, instance, host, phase=None,
     """
     fault, priority = _get_fault_and_priority_from_exc(exception)
     payload = instance_notification.InstanceCreatePayload(
+        context=context,
         instance=instance,
         fault=fault,
         bdms=bdms)
@@ -428,6 +430,7 @@ def notify_about_volume_attach_detach(context, instance, host, action, phase,
     """
     fault, priority = _get_fault_and_priority_from_exc(exception)
     payload = instance_notification.InstanceActionVolumePayload(
+            context=context,
             instance=instance,
             fault=fault,
             volume_id=volume_id)
@@ -457,6 +460,7 @@ def notify_about_instance_rescue_action(
     """
     fault, priority = _get_fault_and_priority_from_exc(exception)
     payload = instance_notification.InstanceActionRescuePayload(
+            context=context,
             instance=instance,
             fault=fault,
             rescue_image_ref=rescue_image_ref)
@@ -512,6 +516,7 @@ def notify_about_volume_swap(context, instance, host, phase,
     """
     fault, priority = _get_fault_and_priority_from_exc(exception)
     payload = instance_notification.InstanceActionVolumeSwapPayload(
+        context=context,
         instance=instance,
         fault=fault,
         old_volume_id=old_volume_id,
@@ -542,6 +547,7 @@ def notify_about_instance_snapshot(context, instance, host, phase,
     :param snapshot_image_id: the ID of the snapshot
     """
     payload = instance_notification.InstanceActionSnapshotPayload(
+        context=context,
         instance=instance,
         fault=None,
         snapshot_image_id=snapshot_image_id)
@@ -572,6 +578,7 @@ def notify_about_resize_prep_instance(context, instance, host, phase,
     """
 
     payload = instance_notification.InstanceActionResizePrepPayload(
+        context=context,
         instance=instance,
         fault=None,
         new_flavor=flavor_notification.FlavorPayload(flavor=new_flavor))
diff --git a/nova/notifications/base.py b/nova/notifications/base.py
index 14606cf58145..d18deed450de 100644
--- a/nova/notifications/base.py
+++ b/nova/notifications/base.py
@@ -263,6 +263,7 @@ def _send_versioned_instance_update(context, instance, payload, host, service):
                  for label, bw in payload['bandwidth'].items()]
 
     versioned_payload = instance_notification.InstanceUpdatePayload(
+        context=context,
         instance=instance,
         state_update=state_update,
         audit_period=audit_period,
diff --git a/nova/notifications/objects/instance.py b/nova/notifications/objects/instance.py
index 1ef22d78198d..64c4f1ad96c6 100644
--- a/nova/notifications/objects/instance.py
+++ b/nova/notifications/objects/instance.py
@@ -65,7 +65,8 @@ class InstancePayload(base.NotificationPayloadBase):
     # Version 1.3: Add key_name field
     # Version 1.4: Add BDM related data
     # Version 1.5: Add updated_at field
-    VERSION = '1.5'
+    # Version 1.6: Add request_id field
+    VERSION = '1.6'
     fields = {
         'uuid': fields.UUIDField(),
         'user_id': fields.StringField(nullable=True),
@@ -105,10 +106,12 @@ class InstancePayload(base.NotificationPayloadBase):
 
         'metadata': fields.DictOfStringsField(),
         'locked': fields.BooleanField(),
-        'auto_disk_config': fields.DiskConfigField()
+        'auto_disk_config': fields.DiskConfigField(),
+
+        'request_id': fields.StringField(nullable=True),
     }
 
-    def __init__(self, instance, bdms=None):
+    def __init__(self, context, instance, bdms=None):
         super(InstancePayload, self).__init__()
         network_info = instance.get_network_info()
         self.ip_addresses = IpPayload.from_network_info(network_info)
@@ -117,6 +120,12 @@ class InstancePayload(base.NotificationPayloadBase):
             self.block_devices = BlockDevicePayload.from_bdms(bdms)
         else:
             self.block_devices = BlockDevicePayload.from_instance(instance)
+        # NOTE(Kevin_Zheng): Don't include request_id for periodic tasks,
+        # RequestContext for periodic tasks does not include project_id
+        # and user_id. Consider modify this once periodic tasks got a
+        # consistent request_id.
+        self.request_id = context.request_id if (context.project_id and
+                                                 context.user_id) else None
 
         self.populate_schema(instance=instance)
 
@@ -130,13 +139,16 @@ class InstanceActionPayload(InstancePayload):
     # Version 1.3: Added key_name field to InstancePayload
     # Version 1.4: Add BDM related data
     # Version 1.5: Added updated_at field to InstancePayload
-    VERSION = '1.5'
+    # Version 1.6: Added request_id field to InstancePayload
+    VERSION = '1.6'
     fields = {
         'fault': fields.ObjectField('ExceptionPayload', nullable=True),
+        'request_id': fields.StringField(nullable=True),
     }
 
-    def __init__(self, instance, fault, bdms=None):
-        super(InstanceActionPayload, self).__init__(instance=instance,
+    def __init__(self, context, instance, fault, bdms=None):
+        super(InstanceActionPayload, self).__init__(context=context,
+                                                    instance=instance,
                                                     bdms=bdms)
         self.fault = fault
 
@@ -147,14 +159,16 @@ class InstanceActionVolumePayload(InstanceActionPayload):
     # Version 1.1: Added key_name field to InstancePayload
     # Version 1.2: Add BDM related data
     # Version 1.3: Added updated_at field to InstancePayload
+    # Version 1.4: Added request_id field to InstancePayload
 
-    VERSION = '1.3'
+    VERSION = '1.4'
     fields = {
         'volume_id': fields.UUIDField()
     }
 
-    def __init__(self, instance, fault, volume_id):
+    def __init__(self, context, instance, fault, volume_id):
         super(InstanceActionVolumePayload, self).__init__(
+                context=context,
                 instance=instance,
                 fault=fault)
         self.volume_id = volume_id
@@ -169,14 +183,16 @@ class InstanceActionVolumeSwapPayload(InstanceActionPayload):
     # Version 1.3: Added key_name field to InstancePayload
     # Version 1.4: Add BDM related data
     # Version 1.5: Added updated_at field to InstancePayload
-    VERSION = '1.5'
+    # Version 1.6: Added request_id field to InstancePayload
+    VERSION = '1.6'
     fields = {
         'old_volume_id': fields.UUIDField(),
         'new_volume_id': fields.UUIDField(),
     }
 
-    def __init__(self, instance, fault, old_volume_id, new_volume_id):
+    def __init__(self, context, instance, fault, old_volume_id, new_volume_id):
         super(InstanceActionVolumeSwapPayload, self).__init__(
+                context=context,
                 instance=instance,
                 fault=fault)
         self.old_volume_id = old_volume_id
@@ -197,15 +213,17 @@ class InstanceCreatePayload(InstanceActionPayload):
     #         1.5: Add BDM related data to InstancePayload
     #         1.6: Add tags field to InstanceCreatePayload
     #         1.7: Added updated_at field to InstancePayload
-    VERSION = '1.7'
+    #         1.8: Added request_id field to InstancePayload
+    VERSION = '1.8'
 
     fields = {
         'keypairs': fields.ListOfObjectsField('KeypairPayload'),
         'tags': fields.ListOfStringsField(),
     }
 
-    def __init__(self, instance, fault, bdms):
+    def __init__(self, context, instance, fault, bdms):
         super(InstanceCreatePayload, self).__init__(
+            context=context,
             instance=instance,
             fault=fault,
             bdms=bdms)
@@ -220,13 +238,15 @@ class InstanceActionResizePrepPayload(InstanceActionPayload):
     # No SCHEMA as all the additional fields are calculated
 
     # Version 1.0: Initial version
-    VERSION = '1.0'
+    # Version 1.1: Added request_id field to InstancePayload
+    VERSION = '1.1'
     fields = {
         'new_flavor': fields.ObjectField('FlavorPayload', nullable=True)
     }
 
-    def __init__(self, instance, fault, new_flavor):
+    def __init__(self, context, instance, fault, new_flavor):
         super(InstanceActionResizePrepPayload, self).__init__(
+                context=context,
                 instance=instance,
                 fault=fault)
         self.new_flavor = new_flavor
@@ -241,7 +261,8 @@ class InstanceUpdatePayload(InstancePayload):
     # Version 1.4: Added key_name field to InstancePayload
     # Version 1.5: Add BDM related data
     # Version 1.6: Added updated_at field to InstancePayload
-    VERSION = '1.6'
+    # Version 1.7: Added request_id field to InstancePayload
+    VERSION = '1.7'
     fields = {
         'state_update': fields.ObjectField('InstanceStateUpdatePayload'),
         'audit_period': fields.ObjectField('AuditPeriodPayload'),
@@ -250,9 +271,10 @@ class InstanceUpdatePayload(InstancePayload):
         'tags': fields.ListOfStringsField(),
     }
 
-    def __init__(self, instance, state_update, audit_period, bandwidth,
-                 old_display_name):
-        super(InstanceUpdatePayload, self).__init__(instance=instance)
+    def __init__(self, context, instance, state_update, audit_period,
+                 bandwidth, old_display_name):
+        super(InstanceUpdatePayload, self).__init__(
+            context=context, instance=instance)
         self.state_update = state_update
         self.audit_period = audit_period
         self.bandwidth = bandwidth
@@ -264,13 +286,15 @@ class InstanceUpdatePayload(InstancePayload):
 @nova_base.NovaObjectRegistry.register_notification
 class InstanceActionRescuePayload(InstanceActionPayload):
     # Version 1.0: Initial version
-    VERSION = '1.0'
+    # Version 1.1: Added request_id field to InstancePayload
+    VERSION = '1.1'
     fields = {
         'rescue_image_ref': fields.UUIDField(nullable=True)
     }
 
-    def __init__(self, instance, fault, rescue_image_ref):
+    def __init__(self, context, instance, fault, rescue_image_ref):
         super(InstanceActionRescuePayload, self).__init__(
+                context=context,
                 instance=instance,
                 fault=fault)
         self.rescue_image_ref = rescue_image_ref
@@ -591,13 +615,15 @@ class InstanceActionSnapshotPayload(InstanceActionPayload):
     #              from using InstanceActionPayload 1.5 to this new payload and
     #              also it added a new field so we wanted to keep the version
     #              number increasing to signal the change.
-    VERSION = '1.6'
+    # Version 1.7: Added request_id field to InstancePayload
+    VERSION = '1.7'
     fields = {
         'snapshot_image_id': fields.UUIDField(),
     }
 
-    def __init__(self, instance, fault, snapshot_image_id):
+    def __init__(self, context, instance, fault, snapshot_image_id):
         super(InstanceActionSnapshotPayload, self).__init__(
+                context=context,
                 instance=instance,
                 fault=fault)
         self.snapshot_image_id = snapshot_image_id
diff --git a/nova/tests/functional/notification_sample_tests/notification_sample_base.py b/nova/tests/functional/notification_sample_tests/notification_sample_base.py
index 6c27ded349fb..56245c5c90b4 100644
--- a/nova/tests/functional/notification_sample_tests/notification_sample_base.py
+++ b/nova/tests/functional/notification_sample_tests/notification_sample_base.py
@@ -12,6 +12,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import mock
 import os
 import time
 
@@ -84,6 +85,12 @@ class NotificationSampleTestBase(test.TestCase,
         self.addCleanup(nova.tests.unit.image.fake.FakeImageService_reset)
         self.useFixture(nova_fixtures.PlacementFixture())
 
+        context_patcher = self.mock_gen_request_id = mock.patch(
+            'oslo_context.context.generate_request_id',
+            return_value='req-5b6c791d-5709-4f36-8fbe-c3e02869e35d')
+        self.mock_gen_request_id = context_patcher.start()
+        self.addCleanup(context_patcher.stop)
+
         self.start_service('conductor')
         self.start_service('scheduler')
         self.start_service('network', manager=CONF.network_manager)
diff --git a/nova/tests/unit/notifications/objects/test_instance.py b/nova/tests/unit/notifications/objects/test_instance.py
new file mode 100644
index 000000000000..8ddded045add
--- /dev/null
+++ b/nova/tests/unit/notifications/objects/test_instance.py
@@ -0,0 +1,35 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from nova import context as nova_context
+from nova.network import model as network_model
+from nova.notifications.objects import instance as instance_notification
+from nova import objects
+from nova import test
+from nova.tests.unit import fake_instance
+
+
+class TestInstanceNotification(test.NoDBTestCase):
+
+    def test_instance_payload_request_id_periodic_task(self):
+        """Tests that creating an InstancePayload from the type of request
+        context used during a periodic task will not populate the
+        payload request_id field since it is not an end user request.
+        """
+        ctxt = nova_context.get_admin_context()
+        instance = fake_instance.fake_instance_obj(ctxt)
+        # Set some other fields otherwise populate_schema tries to hit the DB.
+        instance.metadata = {}
+        instance.info_cache = objects.InstanceInfoCache(
+            network_info=network_model.NetworkInfo([]))
+        payload = instance_notification.InstancePayload(ctxt, instance)
+        self.assertIsNone(payload.request_id)
diff --git a/nova/tests/unit/notifications/objects/test_notification.py b/nova/tests/unit/notifications/objects/test_notification.py
index 237bc29ded1b..c07f77d26675 100644
--- a/nova/tests/unit/notifications/objects/test_notification.py
+++ b/nova/tests/unit/notifications/objects/test_notification.py
@@ -379,26 +379,26 @@ notification_object_data = {
     'FlavorNotification': '1.0-a73147b93b520ff0061865849d3dfa56',
     'FlavorPayload': '1.4-2e7011b8b4e59167fe8b7a0a81f0d452',
     'InstanceActionNotification': '1.0-a73147b93b520ff0061865849d3dfa56',
-    'InstanceActionPayload': '1.5-fb2804ce9b681bfb217e729153c22611',
+    'InstanceActionPayload': '1.6-e9e4cbb94e07d3bcaa22743f41e094c8',
     'InstanceActionRescueNotification': '1.0-a73147b93b520ff0061865849d3dfa56',
-    'InstanceActionRescuePayload': '1.0-a29f3339d0b8c3bcc997ab5d19d898d5',
+    'InstanceActionRescuePayload': '1.1-99b9b25574b77abf6d3e5a0cea341b06',
     'InstanceActionResizePrepNotification':
         '1.0-a73147b93b520ff0061865849d3dfa56',
-    'InstanceActionResizePrepPayload': '1.0-3a23d3dd6516964a51c256b2f8b4646c',
+    'InstanceActionResizePrepPayload': '1.1-9dd5cd4124c660a86e3f00a2df222b8e',
     'InstanceActionVolumeNotification': '1.0-a73147b93b520ff0061865849d3dfa56',
-    'InstanceActionVolumePayload': '1.3-f175b22ac6d6d0aea2bac21e12156e77',
+    'InstanceActionVolumePayload': '1.4-83fcb4c12327da998116844ef4a16235',
     'InstanceActionVolumeSwapNotification':
     '1.0-a73147b93b520ff0061865849d3dfa56',
-    'InstanceActionVolumeSwapPayload': '1.5-bccb88cda36276d20a9b3e427b999929',
+    'InstanceActionVolumeSwapPayload': '1.6-bb322fd649d3626c7a83d5f2d9a866d4',
     'InstanceCreateNotification': '1.0-a73147b93b520ff0061865849d3dfa56',
-    'InstanceCreatePayload': '1.7-a35b2f3aa64dcc262ebb830e78939bdb',
-    'InstancePayload': '1.5-201d852973dbcb5caab89082a3140487',
+    'InstanceCreatePayload': '1.8-aab72bba998af21dc2e34b31e3c376ea',
+    'InstancePayload': '1.6-b1e7818c7adf158e8a6e87e0944b0b21',
     'InstanceActionSnapshotNotification':
         '1.0-a73147b93b520ff0061865849d3dfa56',
-    'InstanceActionSnapshotPayload': '1.6-6f96ad137957d802aac94c90337fd950',
+    'InstanceActionSnapshotPayload': '1.7-73f96d93ca47750bb6a45e4ab1d268fd',
     'InstanceStateUpdatePayload': '1.0-07e111c0fa0f6db0f79b0726d593e3da',
     'InstanceUpdateNotification': '1.0-a73147b93b520ff0061865849d3dfa56',
-    'InstanceUpdatePayload': '1.6-9145c7cac4208eb841ceaaa9c10b2d9b',
+    'InstanceUpdatePayload': '1.7-d48dd2cf8310c8f250dfeb65fd9df97a',
     'IpPayload': '1.0-8ecf567a99e516d4af094439a7632d34',
     'KeypairNotification': '1.0-a73147b93b520ff0061865849d3dfa56',
     'KeypairPayload': '1.0-6daebbbde0e1bf35c1556b1ecd9385c1',
@@ -500,8 +500,12 @@ class TestInstanceNotification(test.NoDBTestCase):
         self.instance.tags = objects.TagList()
         # Make sure that the notification payload chooses the values in
         # instance.flavor.$value instead of instance.$value
+        mock_context = mock.MagicMock()
+        mock_context.project_id = 'fake_project_id'
+        mock_context.user_id = 'fake_user_id'
+        mock_context.request_id = 'fake_req_id'
         notification_base._send_versioned_instance_update(
-            mock.MagicMock(),
+            mock_context,
             self.instance,
             self.payload,
             'host',
diff --git a/releasenotes/notes/add-req-id-to-versioned-notifications-fd0b525bd37b7e41.yaml b/releasenotes/notes/add-req-id-to-versioned-notifications-fd0b525bd37b7e41.yaml
new file mode 100644
index 000000000000..d9f3093836ef
--- /dev/null
+++ b/releasenotes/notes/add-req-id-to-versioned-notifications-fd0b525bd37b7e41.yaml
@@ -0,0 +1,9 @@
+---
+
+features:
+  - |
+    The ``request_id`` field has been added to all
+    instance action and instance update versioned
+    notification payloads. Note that notifications
+    triggered by periodic tasks will have the
+    ``request_id`` field set to be ``None``.