diff --git a/PLNGatewayPlugin.inc.php b/PLNGatewayPlugin.inc.php
index 859b77b..1e2ea66 100644
--- a/PLNGatewayPlugin.inc.php
+++ b/PLNGatewayPlugin.inc.php
@@ -3,8 +3,8 @@
 /**
  * @file PLNGatewayPlugin.inc.php
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * @class PLNGatewayPlugin
diff --git a/PLNPlugin.inc.php b/PLNPlugin.inc.php
index e6adbbf..4df7ea6 100644
--- a/PLNPlugin.inc.php
+++ b/PLNPlugin.inc.php
@@ -3,8 +3,8 @@
 /**
  * @file PLNPlugin.inc.php
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * @class PLNPlugin
diff --git a/PLNPluginSchemaMigration.inc.php b/PLNPluginSchemaMigration.inc.php
index cccb79c..5711701 100644
--- a/PLNPluginSchemaMigration.inc.php
+++ b/PLNPluginSchemaMigration.inc.php
@@ -3,8 +3,8 @@
 /**
  * @file classes/migration/PLNPluginSchemaMigration.inc.php
  *
- * Copyright (c) 2014-2020 Simon Fraser University
- * Copyright (c) 2000-2020 John Willinsky
+ * Copyright (c) 2014-2022 Simon Fraser University
+ * Copyright (c) 2000-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
  *
  * @class PLNPluginSchemaMigration
diff --git a/classes/Deposit.inc.php b/classes/Deposit.inc.php
index 8ff7984..02b57a8 100644
--- a/classes/Deposit.inc.php
+++ b/classes/Deposit.inc.php
@@ -3,8 +3,8 @@
 /**
  * @file classes/Deposit.inc.php
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * @class Deposit
diff --git a/classes/DepositDAO.inc.php b/classes/DepositDAO.inc.php
index e6aa40a..fc31552 100644
--- a/classes/DepositDAO.inc.php
+++ b/classes/DepositDAO.inc.php
@@ -3,8 +3,8 @@
 /**
  * @file classes/DepositDAO.inc.php
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * @class DepositDAO
diff --git a/classes/DepositObject.inc.php b/classes/DepositObject.inc.php
index 000e830..c218d08 100644
--- a/classes/DepositObject.inc.php
+++ b/classes/DepositObject.inc.php
@@ -3,8 +3,8 @@
 /**
  * @file classes/DepositObject.inc.php
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * @class DepositObject
diff --git a/classes/DepositObjectDAO.inc.php b/classes/DepositObjectDAO.inc.php
index b609d88..35e79b9 100644
--- a/classes/DepositObjectDAO.inc.php
+++ b/classes/DepositObjectDAO.inc.php
@@ -3,8 +3,8 @@
 /**
  * @file classes/DepositObjectDAO.inc.php
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * @class DepositObjectDAO
diff --git a/classes/DepositPackage.inc.php b/classes/DepositPackage.inc.php
index 12b88df..3310cde 100644
--- a/classes/DepositPackage.inc.php
+++ b/classes/DepositPackage.inc.php
@@ -3,8 +3,8 @@
 /**
  * @file classes/DepositPackage.inc.php
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * @class DepositPackage
@@ -640,10 +640,13 @@ public function updateDepositStatus() {
 			case '':
 				// do nothing.
 				break;
+			// WARNING: The usage of 'received' is unknown and it may be removed in the future
 			case 'received':
 				$this->_deposit->setLockssReceivedStatus();
 				break;
+			// WARNING: The usage of 'syncing' is unknown and it may be removed in the future
 			case 'syncing':
+			case 'inProgress':
 				$this->_deposit->setLockssSyncingStatus();
 				break;
 			case 'agreement':
diff --git a/classes/form/PLNSettingsForm.inc.php b/classes/form/PLNSettingsForm.inc.php
index 0779c7f..dd0e5a1 100644
--- a/classes/form/PLNSettingsForm.inc.php
+++ b/classes/form/PLNSettingsForm.inc.php
@@ -3,8 +3,8 @@
 /**
  * @file classes/form/PLNSettingsForm.inc.php
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * @class PLNSettingsForm
diff --git a/classes/form/PLNStatusForm.inc.php b/classes/form/PLNStatusForm.inc.php
index 2719fa4..265a36f 100644
--- a/classes/form/PLNStatusForm.inc.php
+++ b/classes/form/PLNStatusForm.inc.php
@@ -3,8 +3,8 @@
 /**
  * @file classes/form/PLNStatusForm.inc.php
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * @class PLNStatusForm
diff --git a/classes/tasks/Depositor.inc.php b/classes/tasks/Depositor.inc.php
index d5d20fc..a5c30ac 100644
--- a/classes/tasks/Depositor.inc.php
+++ b/classes/tasks/Depositor.inc.php
@@ -3,8 +3,8 @@
 /**
  * @file classes/tasks/Depositor.inc.php
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * @class PLNPluginDepositor
diff --git a/controllers/grid/PLNStatusGridCellProvider.inc.php b/controllers/grid/PLNStatusGridCellProvider.inc.php
index a8114af..8aa0ac2 100644
--- a/controllers/grid/PLNStatusGridCellProvider.inc.php
+++ b/controllers/grid/PLNStatusGridCellProvider.inc.php
@@ -3,8 +3,8 @@
 /**
  * @file controllers/grid/PLNStatusGridCellProvider.inc.php
  *
- * Copyright (c) 2014-2020 Simon Fraser University
- * Copyright (c) 2000-2020 John Willinsky
+ * Copyright (c) 2014-2022 Simon Fraser University
+ * Copyright (c) 2000-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * @class PLNStatusGridCellProvider
diff --git a/controllers/grid/PLNStatusGridHandler.inc.php b/controllers/grid/PLNStatusGridHandler.inc.php
index 99f8b12..4b268a3 100644
--- a/controllers/grid/PLNStatusGridHandler.inc.php
+++ b/controllers/grid/PLNStatusGridHandler.inc.php
@@ -3,8 +3,8 @@
 /**
  * @file controllers/grid/PLNStatusGridHandler.inc.php
  *
- * Copyright (c) 2014-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2014-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * @class PLNStatusGridHandler
diff --git a/controllers/grid/PLNStatusGridRow.inc.php b/controllers/grid/PLNStatusGridRow.inc.php
index 50df7c2..2f81c4e 100644
--- a/controllers/grid/PLNStatusGridRow.inc.php
+++ b/controllers/grid/PLNStatusGridRow.inc.php
@@ -3,8 +3,8 @@
 /**
  * @file controllers/grid/PLNStatusGridRow.inc.php
  *
- * Copyright (c) 2014-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2014-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * @class PLNStatusGridRow
diff --git a/index.php b/index.php
index 56ab189..8f6815e 100644
--- a/index.php
+++ b/index.php
@@ -3,8 +3,8 @@
 /**
  * @file index.php
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * @brief Wrapper for PLN plugin.
diff --git a/pages/PLNHandler.inc.php b/pages/PLNHandler.inc.php
index 106a258..efe842d 100644
--- a/pages/PLNHandler.inc.php
+++ b/pages/PLNHandler.inc.php
@@ -3,8 +3,8 @@
 /**
  * @file pages/PLNHandler.inc.php
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * @class PLNHandler
diff --git a/ping.dtd b/ping.dtd
index 3c310e0..ed5fbeb 100644
--- a/ping.dtd
+++ b/ping.dtd
@@ -1,8 +1,8 @@
 <!--
  * ping.dtd
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * DTD for plugin pings
diff --git a/templates/ping.tpl b/templates/ping.tpl
index 9fe9503..3d493bb 100644
--- a/templates/ping.tpl
+++ b/templates/ping.tpl
@@ -1,8 +1,8 @@
 {**
  * templates/ping.tpl
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * PLN plugin settings
diff --git a/templates/settings.tpl b/templates/settings.tpl
index 431e9bb..0d5aa7c 100644
--- a/templates/settings.tpl
+++ b/templates/settings.tpl
@@ -1,8 +1,8 @@
 {**
  * templates/settingsForm.tpl
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * PLN plugin settings
diff --git a/templates/status.tpl b/templates/status.tpl
index 81e9a92..26c06fb 100644
--- a/templates/status.tpl
+++ b/templates/status.tpl
@@ -1,8 +1,8 @@
 {**
  * templates/status.tpl
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * PLN plugin settings
diff --git a/version.xml b/version.xml
index cc72c92..85f5c8b 100644
--- a/version.xml
+++ b/version.xml
@@ -4,8 +4,8 @@
 <!--
  * version.xml
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * Plugin version information.
@@ -13,8 +13,8 @@
 <version>
 	<application>pln</application>
 	<type>plugins.generic</type>
-	<release>2.0.4.2</release><!-- 2.0.4.x is for ojs v.3.3 -->
-	<date>2020-07-21</date>
+	<release>2.0.4.3</release><!-- 2.0.4.x is for OJS v.3.3 -->
+	<date>2022-05-10</date>
 	<lazy-load>1</lazy-load>
 	<sitewide>0</sitewide>
 	<class>PLNPlugin</class>
diff --git a/xml/scheduledTasks.xml b/xml/scheduledTasks.xml
index d67bd96..6cd0fab 100644
--- a/xml/scheduledTasks.xml
+++ b/xml/scheduledTasks.xml
@@ -3,8 +3,8 @@
 <!--
  * xml/scheduledTasks.xml
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * Usage statistics plugin scheduled tasks registry file.
diff --git a/xml/settings.xml b/xml/settings.xml
index 52c90c0..dbb438a 100644
--- a/xml/settings.xml
+++ b/xml/settings.xml
@@ -4,8 +4,8 @@
 <!--
  * xml/settings.xml
  *
- * Copyright (c) 2013-2020 Simon Fraser University
- * Copyright (c) 2003-2020 John Willinsky
+ * Copyright (c) 2013-2022 Simon Fraser University
+ * Copyright (c) 2003-2022 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file LICENSE.
  *
  * Default plugin settings.