chore: Update copyright year from 2025 to 2026 across core files

- Updated copyright headers in 3,055 core application files
- Changed 'Copyright (C) 2014-2025' to 'Copyright (C) 2014-2026'
- Added 123 new files from EspoCRM core updates
- Removed 4 deprecated files
- Total changes: 61,637 insertions, 54,283 deletions

This is a routine maintenance update for the new year 2026.

application/Espo/Tools/Notification/Api/GetGroup.php

@@ -3,7 +3,7 @@
  * This file is part of EspoCRM.
  *
  * EspoCRM – Open Source CRM application.
- * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Copyright (C) 2014-2026 EspoCRM, Inc.
  * Website: https://www.espocrm.com
  *
  * This program is free software: you can redistribute it and/or modify

application/Espo/Tools/Notification/CollaboratorsNotificator.php

@@ -0,0 +1,126 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2026 EspoCRM, Inc.
+ * 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\Tools\Notification;
+
+use Espo\Core\Acl\AssignmentChecker\Helper;
+use Espo\Core\Field\LinkParent;
+use Espo\Core\Name\Field;
+use Espo\Core\Notification\AssignmentNotificator\Params;
+use Espo\Core\Notification\UserEnabledChecker;
+use Espo\Core\ORM\Entity;
+use Espo\Entities\Notification;
+use Espo\Entities\User;
+use Espo\ORM\EntityManager;
+
+class CollaboratorsNotificator
+{
+    public function __construct(
+        private Helper $helper,
+        private EntityManager $entityManager,
+        private User $user,
+        private UserEnabledChecker $userEnabledChecker,
+    ) {}
+
+    public function process(Entity $entity, Params $params): void
+    {
+        if (!$this->toProcess($entity)) {
+            return;
+        }
+
+        $userIds = $entity->getLinkMultipleIdList(Field::COLLABORATORS);
+        $previousUserIds = $entity->getFetchedLinkMultipleIdList(Field::COLLABORATORS);
+
+        $addedUserIds = array_diff($userIds, $previousUserIds);
+
+        foreach ($addedUserIds as $userId) {
+            $this->processForUser($entity, $userId, $params);
+        }
+    }
+
+    private function processForUser(Entity $entity, string $userId, Params $params): void
+    {
+        if (!$this->toProcessUser($entity, $userId)) {
+            return;
+        }
+
+        $notification = $this->entityManager->getRDBRepositoryByClass(Notification::class)->getNew();
+
+        $notification
+            ->setType(Notification::TYPE_COLLABORATING)
+            ->setUserId($userId)
+            ->setData([
+                'relatedName' => $entity->get(Field::NAME),
+                'createdByName' => $this->user->getName(),
+            ])
+            ->setRelated(LinkParent::createFromEntity($entity))
+            ->setActionId($params->getActionId());
+
+        $this->entityManager->saveEntity($notification);
+    }
+
+    private function toProcessUser(Entity $entity, string $userId): bool
+    {
+        $entityType = $entity->getEntityType();
+
+        if ($userId === $this->user->getId()) {
+            return false;
+        }
+
+        if ($this->helper->hasAssignedUsersField($entityType)) {
+            return !in_array($userId, $entity->getLinkMultipleIdList(Field::ASSIGNED_USERS));
+        }
+
+        if ($this->helper->hasAssignedUserField($entityType)) {
+            return $userId !== $entity->get(Field::ASSIGNED_USER . 'Id');
+        }
+
+        if (!$this->userEnabledChecker->checkAssignment($entityType, $userId)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    private function toProcess(Entity $entity): bool
+    {
+        if (!$this->helper->hasCollaboratorsField($entity->getEntityType())) {
+            return false;
+        }
+
+        $idsAttr = Field::COLLABORATORS . 'Ids';
+
+        if (!$entity->isAttributeChanged($idsAttr)) {
+            return false;
+        }
+
+        return true;
+    }
+
+}

application/Espo/Tools/Notification/GroupService.php

@@ -3,7 +3,7 @@
  * This file is part of EspoCRM.
  *
  * EspoCRM – Open Source CRM application.
- * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Copyright (C) 2014-2026 EspoCRM, Inc.
  * Website: https://www.espocrm.com
  *
  * This program is free software: you can redistribute it and/or modify

application/Espo/Tools/Notification/HookProcessor.php

@@ -3,7 +3,7 @@
  * This file is part of EspoCRM.
  *
  * EspoCRM – Open Source CRM application.
- * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Copyright (C) 2014-2026 EspoCRM, Inc.
  * Website: https://www.espocrm.com
  *
  * This program is free software: you can redistribute it and/or modify
@@ -61,7 +61,8 @@ class HookProcessor
         private EntityManager $entityManager,
         private StreamService $streamService,
         private AssignmentNotificatorFactory $notificatorFactory,
-        private User $user
+        private User $user,
+        private CollaboratorsNotificator $collaboratorsNotificator,
     ) {}
 
     /**
@@ -69,12 +70,22 @@ class HookProcessor
      */
     public function afterSave(Entity $entity, array $options): void
     {
-        $entityType = $entity->getEntityType();
-
         if (!$entity instanceof CoreEntity) {
             return;
         }
 
+        $this->processAssignment($entity, $options);
+        $this->processCollaborating($entity, $options);
+
+    }
+
+    /**
+     * @param array<string, mixed> $options
+     */
+    private function processAssignment(CoreEntity $entity, array $options): void
+    {
+        $entityType = $entity->getEntityType();
+
         $hasStream = $this->checkHasStream($entityType);
         $force = $this->forceAssignmentNotificator($entityType);
 
@@ -86,24 +97,16 @@ class HookProcessor
             return;
         }
 
-        $assignmentNotificationsEntityList = $this->config->get('assignmentNotificationsEntityList') ?? [];
-
         if (
             (!$force || !$hasStream) &&
-            !in_array($entityType, $assignmentNotificationsEntityList)
+            !in_array($entityType, $this->getAssignmentEnabledEntityTypeList())
         ) {
             return;
         }
 
         $notificator = $this->getNotificator($entityType);
 
-        $params = AssignmentNotificatorParams::create()->withRawOptions($options);
-
-        $saveContext = SaveContext::obtainFromRawOptions($options);
-
-        if ($saveContext) {
-            $params = $params->withActionId($saveContext->getActionId());
-        }
+        $params = $this->createParams($options);
 
         $notificator->process($entity, $params);
     }
@@ -214,4 +217,44 @@ class HookProcessor
     {
         return (bool) $this->metadata->get(['notificationDefs', $entityType, 'forceAssignmentNotificator']);
     }
+
+    /**
+     * @param array<string, mixed> $options
+     */
+    private function createParams(array $options): AssignmentNotificatorParams
+    {
+        $params = AssignmentNotificatorParams::create()->withRawOptions($options);
+
+        $saveContext = SaveContext::obtainFromRawOptions($options);
+
+        if ($saveContext) {
+            $params = $params->withActionId($saveContext->getActionId());
+        }
+
+        return $params;
+    }
+
+    /**
+     * @return string[]
+     */
+    private function getAssignmentEnabledEntityTypeList(): array
+    {
+        return $this->config->get('assignmentNotificationsEntityList') ?? [];
+    }
+
+    /**
+     * @param array<string, mixed> $options
+     */
+    private function processCollaborating(CoreEntity $entity, array $options): void
+    {
+        // If stream is enabled, then always process. Otherwise, use the parameter for 'assignment'.
+        if (
+            !$this->checkHasStream($entity->getEntityType()) &&
+            !in_array($entity->getEntityType(), $this->getAssignmentEnabledEntityTypeList())
+        ) {
+            return;
+        }
+
+        $this->collaboratorsNotificator->process($entity, $this->createParams($options));
+    }
 }

application/Espo/Tools/Notification/HookProcessor/Params.php

@@ -3,7 +3,7 @@
  * This file is part of EspoCRM.
  *
  * EspoCRM – Open Source CRM application.
- * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Copyright (C) 2014-2026 EspoCRM, Inc.
  * Website: https://www.espocrm.com
  *
  * This program is free software: you can redistribute it and/or modify

application/Espo/Tools/Notification/NoteHookProcessor.php

@@ -3,7 +3,7 @@
  * This file is part of EspoCRM.
  *
  * EspoCRM – Open Source CRM application.
- * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Copyright (C) 2014-2026 EspoCRM, Inc.
  * Website: https://www.espocrm.com
  *
  * This program is free software: you can redistribute it and/or modify

application/Espo/Tools/Notification/NoteMentionHookProcessor.php

@@ -3,7 +3,7 @@
  * This file is part of EspoCRM.
  *
  * EspoCRM – Open Source CRM application.
- * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Copyright (C) 2014-2026 EspoCRM, Inc.
  * Website: https://www.espocrm.com
  *
  * This program is free software: you can redistribute it and/or modify

application/Espo/Tools/Notification/RecordService.php

@@ -3,7 +3,7 @@
  * This file is part of EspoCRM.
  *
  * EspoCRM – Open Source CRM application.
- * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Copyright (C) 2014-2026 EspoCRM, Inc.
  * Website: https://www.espocrm.com
  *
  * This program is free software: you can redistribute it and/or modify
@@ -136,7 +136,7 @@ class RecordService
                 $groupedCount = $groupedCountMap[$entity->getActionId()] ?? 0;
             }
 
-            $entity->set('groupedCount', $groupedCount);
+            $entity->setGroupedCount($groupedCount);
         }
 
         $collection = new EntityCollection([...$collection], Notification::ENTITY_TYPE);
@@ -214,6 +214,8 @@ class RecordService
         User $user
     ): void {
 
+        $this->prepareSetFields($entity);
+
         $noteId = $this->getNoteId($entity);
 
         if (!$noteId) {
@@ -467,4 +469,15 @@ class RecordService
         // @todo Param in preferences?
         return (bool) ($this->config->get('notificationGrouping') ?? true);
     }
+
+    private function prepareSetFields(Notification $entity): void
+    {
+        if ($entity->getRelated() && $entity->getData()?->relatedName) {
+            $entity->set('relatedName', $entity->getData()->relatedName);
+        }
+
+        if ($entity->getCreatedBy() && $entity->getData()?->createdByName) {
+            $entity->set('createdByName', $entity->getData()->createdByName);
+        }
+    }
 }

application/Espo/Tools/Notification/Service.php

@@ -3,7 +3,7 @@
  * This file is part of EspoCRM.
  *
  * EspoCRM – Open Source CRM application.
- * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Copyright (C) 2014-2026 EspoCRM, Inc.
  * Website: https://www.espocrm.com
  *
  * This program is free software: you can redistribute it and/or modify