diff --git a/administrator/components/com_admin/postinstall/behindproxy.php b/administrator/components/com_admin/postinstall/behindproxy.php
index 29a45a0eec5..cd1ab838c99 100644
--- a/administrator/components/com_admin/postinstall/behindproxy.php
+++ b/administrator/components/com_admin/postinstall/behindproxy.php
@@ -18,7 +18,7 @@ use Joomla\Utilities\ArrayHelper;
  *
  * @return  boolean
  *
- * @since   __DEPLOY_VERSION__
+ * @since   3.9.26
  */
 function admin_postinstall_behindproxy_condition()
 {
@@ -48,7 +48,7 @@ function admin_postinstall_behindproxy_condition()
  *
  * @return  void
  *
- * @since   __DEPLOY_VERSION__
+ * @since   3.9.26
  */
 function behindproxy_postinstall_action()
 {
diff --git a/administrator/language/en-GB/en-GB.xml b/administrator/language/en-GB/en-GB.xml
index 0c67ff3c1d1..246100412e2 100644
--- a/administrator/language/en-GB/en-GB.xml
+++ b/administrator/language/en-GB/en-GB.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <metafile version="3.9" client="administrator">
 	<name>English (en-GB)</name>
-	<version>3.9.25</version>
-	<creationDate>March 2021</creationDate>
+	<version>3.9.26</version>
+	<creationDate>April 2021</creationDate>
 	<author>Joomla! Project</author>
 	<authorEmail>admin@joomla.org</authorEmail>
 	<authorUrl>www.joomla.org</authorUrl>
diff --git a/administrator/language/en-GB/install.xml b/administrator/language/en-GB/install.xml
index 4f57cced799..a0f23ffd3a5 100644
--- a/administrator/language/en-GB/install.xml
+++ b/administrator/language/en-GB/install.xml
@@ -2,8 +2,8 @@
 <extension version="3.9" client="administrator" type="language" method="upgrade">
 	<name>English (en-GB)</name>
 	<tag>en-GB</tag>
-	<version>3.9.25</version>
-	<creationDate>March 2021</creationDate>
+	<version>3.9.26</version>
+	<creationDate>April 2021</creationDate>
 	<author>Joomla! Project</author>
 	<authorEmail>admin@joomla.org</authorEmail>
 	<authorUrl>www.joomla.org</authorUrl>
diff --git a/administrator/manifests/files/joomla.xml b/administrator/manifests/files/joomla.xml
index 355c444118d..94b43e576c3 100644
--- a/administrator/manifests/files/joomla.xml
+++ b/administrator/manifests/files/joomla.xml
@@ -6,8 +6,8 @@
 	<authorUrl>www.joomla.org</authorUrl>
 	<copyright>(C) 2005 - 2020 Open Source Matters. All rights reserved</copyright>
 	<license>GNU General Public License version 2 or later; see LICENSE.txt</license>
-	<version>3.9.25</version>
-	<creationDate>March 2021</creationDate>
+	<version>3.9.26-rc</version>
+	<creationDate>April 2021</creationDate>
 	<description>FILES_JOOMLA_XML_DESCRIPTION</description>
 
 	<scriptfile>administrator/components/com_admin/script.php</scriptfile>
diff --git a/administrator/manifests/packages/pkg_en-GB.xml b/administrator/manifests/packages/pkg_en-GB.xml
index d9dc6a01594..c2b5ebb490d 100644
--- a/administrator/manifests/packages/pkg_en-GB.xml
+++ b/administrator/manifests/packages/pkg_en-GB.xml
@@ -2,8 +2,8 @@
 <extension type="package" version="3.9" method="upgrade">
 	<name>English (en-GB) Language Pack</name>
 	<packagename>en-GB</packagename>
-	<version>3.9.25.1</version>
-	<creationDate>March 2021</creationDate>
+	<version>3.9.26.1</version>
+	<creationDate>April 2021</creationDate>
 	<author>Joomla! Project</author>
 	<authorEmail>admin@joomla.org</authorEmail>
 	<authorUrl>www.joomla.org</authorUrl>
diff --git a/installation/language/en-GB/en-GB.xml b/installation/language/en-GB/en-GB.xml
index 672e5a8e586..ca09cd77a0e 100644
--- a/installation/language/en-GB/en-GB.xml
+++ b/installation/language/en-GB/en-GB.xml
@@ -3,8 +3,8 @@
 	version="3.8"
 	client="installation">
 	<name>English (United Kingdom)</name>
-	<version>3.9.25</version>
-	<creationDate>March 2021</creationDate>
+	<version>3.9.26</version>
+	<creationDate>April 2021</creationDate>
 	<author>Joomla! Project</author>
 	<copyright>Copyright (C) 2005 - 2020 Open Source Matters. All rights reserved.</copyright>
 	<license>GNU General Public License version 2 or later; see LICENSE.txt</license>
diff --git a/language/en-GB/en-GB.xml b/language/en-GB/en-GB.xml
index 3e3345f0514..83857722b4b 100644
--- a/language/en-GB/en-GB.xml
+++ b/language/en-GB/en-GB.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <metafile version="3.9" client="site">
 	<name>English (en-GB)</name>
-	<version>3.9.25</version>
-	<creationDate>March 2021</creationDate>
+	<version>3.9.26</version>
+	<creationDate>April 2021</creationDate>
 	<author>Joomla! Project</author>
 	<authorEmail>admin@joomla.org</authorEmail>
 	<authorUrl>www.joomla.org</authorUrl>
diff --git a/language/en-GB/install.xml b/language/en-GB/install.xml
index 82a27b682a6..96756eb6cc1 100644
--- a/language/en-GB/install.xml
+++ b/language/en-GB/install.xml
@@ -2,8 +2,8 @@
 <extension version="3.9" client="site" type="language" method="upgrade">
 	<name>English (en-GB)</name>
 	<tag>en-GB</tag>
-	<version>3.9.25</version>
-	<creationDate>March 2021</creationDate>
+	<version>3.9.26</version>
+	<creationDate>April 2021</creationDate>
 	<author>Joomla! Project</author>
 	<authorEmail>admin@joomla.org</authorEmail>
 	<authorUrl>www.joomla.org</authorUrl>
diff --git a/libraries/src/Installer/Installer.php b/libraries/src/Installer/Installer.php
index a39aef87f03..93a5869f1f9 100644
--- a/libraries/src/Installer/Installer.php
+++ b/libraries/src/Installer/Installer.php
@@ -120,7 +120,7 @@ class Installer extends \JAdapter
 	 * Backup extra_query during update_sites rebuild
 	 *
 	 * @var    string
-	 * @since  __DEPLOY_VERSION__
+	 * @since  3.9.26
 	 */
 	public $extraQuery = '';
 
diff --git a/libraries/src/Menu/AbstractMenu.php b/libraries/src/Menu/AbstractMenu.php
index 4f1e5183cab..7eb5a1b40eb 100644
--- a/libraries/src/Menu/AbstractMenu.php
+++ b/libraries/src/Menu/AbstractMenu.php
@@ -61,7 +61,7 @@ class AbstractMenu
 	 * User object to check access levels for
 	 *
 	 * @var    User
-	 * @since  __DEPLOY_VERSION__
+	 * @since  3.9.26
 	 */
 	protected $storedUser;
 
@@ -152,7 +152,7 @@ class AbstractMenu
 	 *
 	 * @return null
 	 *
-	 * @since __DEPLOY_VERSION__
+	 * @since 3.9.26
 	 */
 	public function setUser($user)
 	{
@@ -396,7 +396,7 @@ class AbstractMenu
 	 *
 	 * @return User
 	 *
-	 * @since __DEPLOY_VERSION__
+	 * @since 3.9.26
 	 */
 	protected function getUser()
 	{
@@ -417,7 +417,7 @@ class AbstractMenu
 	 *
 	 * @return User|null
 	 *
-	 * @since __DEPLOY_VERSION__
+	 * @since 3.9.26
 	 */
 	public function __get($propName)
 	{
diff --git a/libraries/src/Version.php b/libraries/src/Version.php
index 9b2e949a3b6..de99605cc76 100644
--- a/libraries/src/Version.php
+++ b/libraries/src/Version.php
@@ -60,7 +60,7 @@ final class Version
 	 * @var    string
 	 * @since  3.8.0
 	 */
-	const EXTRA_VERSION = 'dev';
+	const EXTRA_VERSION = 'rc';
 
 	/**
 	 * Release version.
@@ -78,7 +78,7 @@ final class Version
 	 * @since  3.5
 	 * @deprecated  4.0  Use separated version constants instead
 	 */
-	const DEV_LEVEL = '26-dev';
+	const DEV_LEVEL = '26-rc';
 
 	/**
 	 * Development status.
@@ -86,7 +86,7 @@ final class Version
 	 * @var    string
 	 * @since  3.5
 	 */
-	const DEV_STATUS = 'Development';
+	const DEV_STATUS = 'Release Candidate';
 
 	/**
 	 * Build number.
@@ -111,7 +111,7 @@ final class Version
 	 * @var    string
 	 * @since  3.5
 	 */
-	const RELDATE = '2-March-2021';
+	const RELDATE = '7-April-2021';
 
 	/**
 	 * Release time.
@@ -119,7 +119,7 @@ final class Version
 	 * @var    string
 	 * @since  3.5
 	 */
-	const RELTIME = '15:07';
+	const RELTIME = '22:45';
 
 	/**
 	 * Release timezone.
diff --git a/tests/unit/suites/libraries/cms/form/rule/FilePathRuleTest.php b/tests/unit/suites/libraries/cms/form/rule/FilePathRuleTest.php
index 3f45e53b025..da68cd9c25c 100644
--- a/tests/unit/suites/libraries/cms/form/rule/FilePathRuleTest.php
+++ b/tests/unit/suites/libraries/cms/form/rule/FilePathRuleTest.php
@@ -15,7 +15,7 @@ use Joomla\CMS\Form\Rule\FilePathRule;
  *
  * @package     Joomla.UnitTest
  * @subpackage  Form
- * @since       __DEPLOY_VERSION__
+ * @since       3.9.26
  */
 class FilePathRuleTest extends TestCase
 {
@@ -24,7 +24,7 @@ class FilePathRuleTest extends TestCase
 	 *
 	 * @return  array
 	 *
-	 * @since   __DEPLOY_VERSION__
+	 * @since   3.9.26
 	 */
 	public function dataTestPaths()
 	{
@@ -77,7 +77,7 @@ class FilePathRuleTest extends TestCase
 	 *
 	 * @return  void
 	 *
-	 * @since   __DEPLOY_VERSION__
+	 * @since   3.9.26
 	 * @dataProvider dataTestPaths
 	 */
 	public function testRule($expected, $element, $value)