diff --git a/application/Espo/Core/Name/Field.php b/application/Espo/Core/Name/Field.php
index 6213bfda07..7dc345d8f6 100644
--- a/application/Espo/Core/Name/Field.php
+++ b/application/Espo/Core/Name/Field.php
@@ -36,6 +36,7 @@ class Field
     public const CREATED_AT = 'createdAt';
     public const MODIFIED_BY = 'modifiedBy';
     public const MODIFIED_AT = 'modifiedAt';
+    public const STREAM_UPDATED_AT = 'streamUpdatedAt';
     public const ASSIGNED_USER = 'assignedUser';
     public const ASSIGNED_USERS = 'assignedUsers';
     public const COLLABORATORS = 'collaborators';
diff --git a/application/Espo/Core/Utils/Metadata/AdditionalBuilder/StreamUpdatedAtField.php b/application/Espo/Core/Utils/Metadata/AdditionalBuilder/StreamUpdatedAtField.php
new file mode 100644
index 0000000000..d03761e4c3
--- /dev/null
+++ b/application/Espo/Core/Utils/Metadata/AdditionalBuilder/StreamUpdatedAtField.php
@@ -0,0 +1,67 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2024 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Utils\Metadata\AdditionalBuilder;
+
+use Espo\Core\Name\Field;
+use Espo\Core\ORM\Type\FieldType;
+use Espo\Core\Utils\Metadata\AdditionalBuilder;
+use stdClass;
+
+class StreamUpdatedAtField implements AdditionalBuilder
+{
+    public function build(stdClass $data): void
+    {
+        if (!isset($data->entityDefs)) {
+            return;
+        }
+
+        $field = Field::STREAM_UPDATED_AT;
+
+        foreach (get_object_vars($data->entityDefs) as $entityType => $entityDefsItem) {
+            $hasStream = $data->scopes?->$entityType?->stream;
+
+            if (!$hasStream) {
+                continue;
+            }
+
+            if (isset($entityDefsItem?->fields->$field)) {
+                continue;
+            }
+
+            $entityDefsItem->fields ??= (object) [];
+
+            $entityDefsItem->fields->$field = (object) [
+                'type' => FieldType::DATETIME,
+                'readOnly' => true,
+                'customizationReadOnlyDisabled' => true,
+            ];
+        }
+    }
+}
diff --git a/application/Espo/Entities/Note.php b/application/Espo/Entities/Note.php
index 6bd442fefa..ca53677c45 100644
--- a/application/Espo/Entities/Note.php
+++ b/application/Espo/Entities/Note.php
@@ -226,7 +226,7 @@ class Note extends Entity
         return $this->set('type', $type);
     }
 
-    public function setParent(LinkParent|Entity $parent): self
+    public function setParent(LinkParent|OrmEntity $parent): self
     {
         if ($parent instanceof LinkParent) {
             $this->setValueObject(Field::PARENT, $parent);
@@ -239,7 +239,7 @@ class Note extends Entity
         return $this;
     }
 
-    public function setRelated(LinkParent|Entity $related): self
+    public function setRelated(LinkParent|OrmEntity $related): self
     {
         if ($related instanceof LinkParent) {
             $this->setValueObject('related', $related);
@@ -252,7 +252,7 @@ class Note extends Entity
         return $this;
     }
 
-    public function setSuperParent(LinkParent|Entity $superParent): self
+    public function setSuperParent(LinkParent|OrmEntity $superParent): self
     {
         if ($superParent instanceof LinkParent) {
             $this->set('superParentId', $superParent->getId());
@@ -360,6 +360,11 @@ class Note extends Entity
         return $this->relations->getOne(Field::PARENT);
     }
 
+    public function getSuperParent(): ?OrmEntity
+    {
+        return $this->relations->getOne('superParent');
+    }
+
     /**
      * @return iterable<Attachment>
      */
diff --git a/application/Espo/Hooks/Common/Stream.php b/application/Espo/Hooks/Common/Stream.php
index 62d7531591..cb1ee49878 100644
--- a/application/Espo/Hooks/Common/Stream.php
+++ b/application/Espo/Hooks/Common/Stream.php
@@ -33,6 +33,7 @@ use Espo\Core\Hook\Hook\AfterRelate;
 use Espo\Core\Hook\Hook\AfterRemove;
 use Espo\Core\Hook\Hook\AfterSave;
 use Espo\Core\Hook\Hook\AfterUnrelate;
+use Espo\Core\Hook\Hook\BeforeSave;
 use Espo\Core\ORM\Repository\Option\SaveOption;
 use Espo\ORM\Entity;
 use Espo\ORM\Repository\Option\RelateOptions;
@@ -42,18 +43,28 @@ use Espo\ORM\Repository\Option\UnrelateOptions;
 use Espo\Tools\Stream\HookProcessor;
 
 /**
+ * @implements BeforeSave<Entity>
  * @implements AfterSave<Entity>
  * @implements AfterRemove<Entity>
  * @implements AfterRelate<Entity>
  * @implements AfterUnrelate<Entity>
  */
-class Stream implements AfterSave, AfterRemove, AfterRelate, AfterUnrelate
+class Stream implements BeforeSave, AfterSave, AfterRemove, AfterRelate, AfterUnrelate
 {
     public static int $order = 9;
 
     public function __construct(private HookProcessor $processor)
     {}
 
+    public function beforeSave(Entity $entity, SaveOptions $options): void
+    {
+        if ($options->get(SaveOption::SILENT)) {
+            return;
+        }
+
+        $this->processor->beforeSave($entity, $options);
+    }
+
     public function afterSave(Entity $entity, SaveOptions $options): void
     {
         if ($options->get(SaveOption::SILENT)) {
diff --git a/application/Espo/Hooks/Note/StreamUpdatedAt.php b/application/Espo/Hooks/Note/StreamUpdatedAt.php
new file mode 100644
index 0000000000..bb485f923a
--- /dev/null
+++ b/application/Espo/Hooks/Note/StreamUpdatedAt.php
@@ -0,0 +1,66 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2024 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Hooks\Note;
+
+use Espo\Core\Hook\Hook\AfterSave;
+use Espo\ORM\Entity;
+use Espo\ORM\Repository\Option\SaveOptions;
+use Espo\Entities\Note;
+use Espo\Tools\Stream\Service;
+
+/**
+ * @implements AfterSave<Note>
+ */
+class StreamUpdatedAt implements AfterSave
+{
+    public function __construct(private Service $service)
+    {}
+
+    public function afterSave(Entity $entity, SaveOptions $options): void
+    {
+        if (!$entity->isNew()) {
+            return;
+        }
+
+        if (
+            $entity->getType() !== Note::TYPE_POST ||
+            !$entity->getParentType() ||
+            !$this->service->checkIsEnabled($entity->getParentType())
+        ) {
+            return;
+        }
+
+        if (!$entity->getParent()) {
+            return;
+        }
+
+        $this->service->updateStreamUpdatedAt($entity->getParent());
+    }
+}
diff --git a/application/Espo/Modules/Crm/Resources/layouts/Account/filters.json b/application/Espo/Modules/Crm/Resources/layouts/Account/filters.json
index ead63cc60d..aacf83ca93 100644
--- a/application/Espo/Modules/Crm/Resources/layouts/Account/filters.json
+++ b/application/Espo/Modules/Crm/Resources/layouts/Account/filters.json
@@ -4,6 +4,7 @@
     "createdAt",
     "createdBy",
     "modifiedAt",
+    "streamUpdatedAt",
     "type",
     "industry",
     "description",
diff --git a/application/Espo/Resources/i18n/en_US/Global.json b/application/Espo/Resources/i18n/en_US/Global.json
index f842808b6d..7c4465ad38 100644
--- a/application/Espo/Resources/i18n/en_US/Global.json
+++ b/application/Espo/Resources/i18n/en_US/Global.json
@@ -478,6 +478,7 @@
         "modifiedAt": "Modified At",
         "createdBy": "Created By",
         "modifiedBy": "Modified By",
+        "streamUpdatedAt": "Stream Updated At",
         "description": "Description",
         "address": "Address",
         "phoneNumber": "Phone",
diff --git a/application/Espo/Resources/metadata/app/metadata.json b/application/Espo/Resources/metadata/app/metadata.json
index 3f88a254e2..d219f5dd7f 100644
--- a/application/Espo/Resources/metadata/app/metadata.json
+++ b/application/Espo/Resources/metadata/app/metadata.json
@@ -44,6 +44,7 @@
     ],
     "additionalBuilderClassNameList": [
         "Espo\\Core\\Utils\\Metadata\\AdditionalBuilder\\Fields",
-        "Espo\\Core\\Utils\\Metadata\\AdditionalBuilder\\DeleteIdField"
+        "Espo\\Core\\Utils\\Metadata\\AdditionalBuilder\\DeleteIdField",
+        "Espo\\Core\\Utils\\Metadata\\AdditionalBuilder\\StreamUpdatedAtField"
     ]
 }
diff --git a/application/Espo/Tools/EntityManager/NameUtil.php b/application/Espo/Tools/EntityManager/NameUtil.php
index 7a30f97c8a..d20fa69d9e 100644
--- a/application/Espo/Tools/EntityManager/NameUtil.php
+++ b/application/Espo/Tools/EntityManager/NameUtil.php
@@ -148,6 +148,11 @@ class NameUtil
         Field::ASSIGNED_USER,
         Field::ASSIGNED_USERS,
         Field::COLLABORATORS,
+        Field::STREAM_UPDATED_AT,
+        Field::CREATED_BY,
+        Field::CREATED_AT,
+        Field::MODIFIED_BY,
+        Field::MODIFIED_AT,
     ];
 
     /**
@@ -169,6 +174,8 @@ class NameUtil
         Field::ASSIGNED_USER,
         Field::ASSIGNED_USERS,
         Field::COLLABORATORS,
+        Field::CREATED_BY,
+        Field::MODIFIED_BY,
     ];
 
     /**
diff --git a/application/Espo/Tools/Stream/HookProcessor.php b/application/Espo/Tools/Stream/HookProcessor.php
index 7507f88486..5b3bf964d5 100644
--- a/application/Espo/Tools/Stream/HookProcessor.php
+++ b/application/Espo/Tools/Stream/HookProcessor.php
@@ -29,6 +29,7 @@
 
 namespace Espo\Tools\Stream;
 
+use Espo\Core\Field\DateTime;
 use Espo\Core\Name\Field;
 use Espo\Core\ORM\Repository\Option\SaveOption;
 use Espo\Core\ORM\Entity as CoreEntity;
@@ -45,6 +46,7 @@ use Espo\ORM\Entity;
 use Espo\ORM\Defs\RelationDefs;
 
 use Espo\ORM\Repository\Option\RemoveOptions;
+use Espo\ORM\Repository\Option\SaveOptions;
 use Espo\Tools\Stream\Service as Service;
 use Espo\Tools\Stream\Jobs\AutoFollow as AutoFollowJob;
 use Espo\Tools\Stream\Jobs\ControlFollowers as ControlFollowersJob;
@@ -74,6 +76,19 @@ class HookProcessor
         private JobSchedulerFactory $jobSchedulerFactory
     ) {}
 
+    public function beforeSave(Entity $entity, SaveOptions $options): void
+    {
+        if (
+            !$this->checkHasStream($entity->getEntityType()) ||
+            $options->get(self::OPTION_NO_STREAM) ||
+            $options->get(SaveOption::SILENT)
+        ) {
+            return;
+        }
+
+        $this->processStreamUpdatedAt($entity);
+    }
+
     /**
      * @param array<string, mixed> $options
      */
@@ -600,11 +615,11 @@ class HookProcessor
         $auditedForeign = $this->metadata->get(['entityDefs', $foreignEntityType, 'links', $foreignLink, 'audited']);
 
         if ($audited) {
-            $this->service->noteRelate($foreignEntity, $entityType, $entity->getId());
+            $this->service->noteRelate($foreignEntity, $entity);
         }
 
         if ($auditedForeign) {
-            $this->service->noteRelate($entity, $foreignEntity->getEntityType(), $foreignEntity->getId());
+            $this->service->noteRelate($entity, $foreignEntity);
         }
     }
 
@@ -633,14 +648,14 @@ class HookProcessor
         $auditedForeign = $this->metadata->get(['entityDefs', $foreignEntityType, 'links', $foreignLink, 'audited']);
 
         if ($audited) {
-            $this->service->noteUnrelate($foreignEntity, $entityType, $entity->getId());
+            $this->service->noteUnrelate($foreignEntity, $entity);
 
             // @todo
             // Add time period (a few minutes). If before, remove RELATE note, don't create 'unrelate' if before.
         }
 
         if ($auditedForeign) {
-            $this->service->noteUnrelate($entity, $foreignEntity->getEntityType(), $foreignEntity->getId());
+            $this->service->noteUnrelate($entity, $foreignEntity);
 
             // @todo
             // Add time period (a few minutes). If before, remove RELATE note, don't create 'unrelate' if before.
@@ -664,4 +679,13 @@ class HookProcessor
             $this->service->handleAudited($entity, $options);
         }
     }
+
+    private function processStreamUpdatedAt(Entity $entity): void
+    {
+        if (!$this->service->checkEntityNeedsUpdatedAt($entity)) {
+            return;
+        }
+
+        $entity->set(Field::STREAM_UPDATED_AT, DateTime::createNow()->toString());
+    }
 }
diff --git a/application/Espo/Tools/Stream/Service.php b/application/Espo/Tools/Stream/Service.php
index f78b9ee7fc..bcdf2b3efe 100644
--- a/application/Espo/Tools/Stream/Service.php
+++ b/application/Espo/Tools/Stream/Service.php
@@ -29,6 +29,7 @@
 
 namespace Espo\Tools\Stream;
 
+use Espo\Core\Field\DateTime;
 use Espo\Core\Field\LinkMultiple;
 use Espo\Core\Field\LinkParent;
 use Espo\Core\Name\Field;
@@ -486,8 +487,8 @@ class Service
         $note = $this->getNewNote();
 
         $note->setType(Note::TYPE_EMAIL_RECEIVED);
-        $note->setParent(LinkParent::createFromEntity($entity));
-        $note->setRelated(LinkParent::create(Email::ENTITY_TYPE, $email->getId()));
+        $note->setParent($entity);
+        $note->setRelated($email);
 
         $this->processNoteTeamsUsers($note, $email);
 
@@ -534,6 +535,9 @@ class Service
         $note->setData((object) $data);
 
         $this->entityManager->saveEntity($note);
+
+        // @todo Also for the super-parent.
+        $this->updateStreamUpdatedAt($entity);
     }
 
     public function noteEmailSent(Entity $entity, Email $email): void
@@ -543,8 +547,8 @@ class Service
         $note = $this->getNewNote();
 
         $note->setType(Note::TYPE_EMAIL_SENT);
-        $note->setParent(LinkParent::createFromEntity($entity));
-        $note->setRelated(LinkParent::create(Email::ENTITY_TYPE, $email->getId()));
+        $note->setParent($entity);
+        $note->setRelated($email);
 
         $this->processNoteTeamsUsers($note, $email);
 
@@ -590,6 +594,9 @@ class Service
         $note->set('data', (object) $data);
 
         $this->entityManager->saveEntity($note);
+
+        // @todo Also for the super-parent.
+        $this->updateStreamUpdatedAt($entity);
     }
 
     /**
@@ -696,7 +703,7 @@ class Service
 
         $note->setType(Note::TYPE_CREATE_RELATED);
         $note->setParent(LinkParent::create($parentType, $parentId));
-        $note->setRelated(LinkParent::createFromEntity($entity));
+        $note->setRelated($entity);
 
         $this->processNoteTeamsUsers($note, $entity);
 
@@ -714,7 +721,7 @@ class Service
     /**
      * @param array<string, mixed> $options
      */
-    public function noteRelate(Entity $entity, string $parentType, string $parentId, array $options = []): void
+    public function noteRelate(Entity $entity, Entity $parent, array $options = []): void
     {
         $entityType = $entity->getEntityType();
 
@@ -723,8 +730,8 @@ class Service
             ->select([Attribute::ID])
             ->where([
                 'type' => Note::TYPE_RELATE,
-                'parentId' => $parentId,
-                'parentType' => $parentType,
+                'parentId' => $parent->getId(),
+                'parentType' => $parent->getEntityType(),
                 'relatedId' => $entity->getId(),
                 'relatedType' => $entityType,
             ])
@@ -737,8 +744,8 @@ class Service
         $note = $this->getNewNote();
 
         $note->setType(Note::TYPE_RELATE);
-        $note->setParent(LinkParent::create($parentType, $parentId));
-        $note->setRelated(LinkParent::createFromEntity($entity));
+        $note->setParent($parent);
+        $note->setRelated($entity);
 
         $this->processNoteTeamsUsers($note, $entity);
 
@@ -749,12 +756,14 @@ class Service
         }
 
         $this->entityManager->saveEntity($note, $noteOptions);
+
+        $this->updateStreamUpdatedAt($parent);
     }
 
     /**
      * @param array<string, mixed> $options
      */
-    public function noteUnrelate(Entity $entity, string $parentType, string $parentId, array $options = []): void
+    public function noteUnrelate(Entity $entity, Entity $parent, array $options = []): void
     {
         $entityType = $entity->getEntityType();
 
@@ -763,8 +772,8 @@ class Service
             ->select([Attribute::ID])
             ->where([
                 'type' => Note::TYPE_UNRELATE,
-                'parentId' => $parentId,
-                'parentType' => $parentType,
+                'parentId' => $parent->getId(),
+                'parentType' => $parent->getEntityType(),
                 'relatedId' => $entity->getId(),
                 'relatedType' => $entityType,
             ])
@@ -777,8 +786,8 @@ class Service
         $note = $this->getNewNote();
 
         $note->setType(Note::TYPE_UNRELATE);
-        $note->setParent(LinkParent::create($parentType, $parentId));
-        $note->setRelated(LinkParent::createFromEntity($entity));
+        $note->setParent($parent);
+        $note->setRelated($entity);
 
         $this->processNoteTeamsUsers($note, $entity);
 
@@ -789,6 +798,8 @@ class Service
         }
 
         $this->entityManager->saveEntity($note, $noteOptions);
+
+        $this->updateStreamUpdatedAt($parent);
     }
 
     /**
@@ -907,6 +918,69 @@ class Service
         return $this->auditedFieldsCache[$entityType];
     }
 
+    /**
+     * @since 9.0.0
+     * @internal
+     */
+    public function checkEntityNeedsUpdatedAt(Entity $entity): bool
+    {
+        if ($entity->isNew() && $entity->get(Field::STREAM_UPDATED_AT)) {
+            return false;
+        }
+
+        return
+            $entity->isNew() ||
+            $this->hasAuditedFieldChanged($entity) ||
+            $this->hasStatusFieldChanged($entity) ||
+            $this->hasAssignedUserChanged($entity);
+    }
+
+    private function hasAssignedUserChanged(Entity $entity): bool
+    {
+        if (
+            $entity->hasAttribute(Field::ASSIGNED_USER . 'Id') &&
+            $entity->isAttributeChanged(Field::ASSIGNED_USER . 'Id')
+        ) {
+            return true;
+        }
+
+        if (
+            $entity instanceof CoreEntity &&
+            $entity->hasLinkMultipleField(self::FIELD_ASSIGNED_USERS) &&
+            $entity->isAttributeChanged(self::FIELD_ASSIGNED_USERS . 'Ids')
+        ) {
+            return true;
+        }
+
+        return false;
+    }
+
+    private function hasStatusFieldChanged(Entity $entity): bool
+    {
+        $field = $this->getStatusField($entity->getEntityType());
+
+        if (!$field) {
+            return false;
+        }
+
+        return $entity->isAttributeChanged($field);
+    }
+
+    private function hasAuditedFieldChanged(Entity $entity): bool
+    {
+        $auditedFields = $this->getAuditedFieldsData($entity);
+
+        foreach ($auditedFields as $item) {
+            foreach ($item['actualList'] as $attribute) {
+                if ($entity->isAttributeChanged($attribute)) {
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
+
     /**
      * @param array<string, mixed> $options
      */
@@ -1285,4 +1359,14 @@ class Service
     {
         return (bool) $this->metadata->get("scopes.$entityType.stream");
     }
+
+    /**
+     * @since 9.0.0
+     */
+    public function updateStreamUpdatedAt(Entity $entity): void
+    {
+        $entity->set(Field::STREAM_UPDATED_AT, DateTime::createNow()->toString());
+
+        $this->entityManager->saveEntity($entity, [SaveOption::SKIP_ALL => true]);
+    }
 }
diff --git a/tests/integration/Espo/Note/AclTest.php b/tests/integration/Espo/Note/AclTest.php
index 66f1799ca2..72eb22a744 100644
--- a/tests/integration/Espo/Note/AclTest.php
+++ b/tests/integration/Espo/Note/AclTest.php
@@ -109,7 +109,7 @@ class AclTest extends \tests\integration\Core\BaseTestCase
             'parentType' => $account->getEntityType(),
         ]);
 
-        $streamService->noteRelate($meeting, $account->getEntityType(), $account->getId());
+        $streamService->noteRelate($meeting, $account);
 
         $note2 = $em
             ->getRDBRepository('Note')