diff --git a/calendar-bundle/src/Resources/contao/modules/ModuleEventReader.php b/calendar-bundle/src/Resources/contao/modules/ModuleEventReader.php
index b1ca25209d5..7dcab9fa742 100644
--- a/calendar-bundle/src/Resources/contao/modules/ModuleEventReader.php
+++ b/calendar-bundle/src/Resources/contao/modules/ModuleEventReader.php
@@ -308,7 +308,7 @@ protected function compile()
 			$figureBuilder
 				->setSize($imgSize)
 				->setMetadata($objEvent->getOverwriteMetadata())
-				->enableLightbox($objEvent->fullsize)
+				->enableLightbox((bool) $objEvent->fullsize)
 				->build()
 				->applyLegacyTemplateData($objTemplate, $objEvent->imagemargin, $objEvent->floating);
 		}
diff --git a/calendar-bundle/src/Resources/contao/modules/ModuleEventlist.php b/calendar-bundle/src/Resources/contao/modules/ModuleEventlist.php
index 65262e42288..5293816d331 100644
--- a/calendar-bundle/src/Resources/contao/modules/ModuleEventlist.php
+++ b/calendar-bundle/src/Resources/contao/modules/ModuleEventlist.php
@@ -368,7 +368,7 @@ protected function compile()
 				$figure = $figureBuilder
 					->setSize($imgSize)
 					->setMetadata($eventModel->getOverwriteMetadata())
-					->enableLightbox($eventModel->fullsize)
+					->enableLightbox((bool) $eventModel->fullsize)
 					->build();
 
 				// Rebuild with link to event if none is set
diff --git a/core-bundle/src/DependencyInjection/ContaoCoreExtension.php b/core-bundle/src/DependencyInjection/ContaoCoreExtension.php
index 905cd4435c2..f9662ec447c 100644
--- a/core-bundle/src/DependencyInjection/ContaoCoreExtension.php
+++ b/core-bundle/src/DependencyInjection/ContaoCoreExtension.php
@@ -185,7 +185,11 @@ private function setPredefinedImageSizes(array $config, ContainerBuilder $contai
             }
 
             if (isset($config['image']['sizes']['_defaults'])) {
-                $value = array_merge($config['image']['sizes']['_defaults'], $value);
+                // Make sure that arrays defined under _defaults will take precedence over empty arrays (see #2783)
+                $value = array_merge(
+                    $config['image']['sizes']['_defaults'],
+                    array_filter($value, static function ($v) { return !\is_array($v) || !empty($v); })
+                );
             }
 
             $imageSizes['_'.$name] = $this->camelizeKeys($value);
diff --git a/core-bundle/src/EventListener/MakeResponsePrivateListener.php b/core-bundle/src/EventListener/MakeResponsePrivateListener.php
index 8bcfbe663df..f165495e85c 100644
--- a/core-bundle/src/EventListener/MakeResponsePrivateListener.php
+++ b/core-bundle/src/EventListener/MakeResponsePrivateListener.php
@@ -39,7 +39,7 @@ public function __construct(ScopeMatcher $scopeMatcher)
      * Make sure that the current response becomes a private response if any
      * of the following conditions are true.
      *
-     *   1. An Authorization header is present
+     *   1. An Authorization header is present and not empty
      *   2. The session was started
      *   3. The response sets a cookie (same reason as 2 but for other cookies than the session cookie)
      *   4. The response has a "Vary: Cookie" header and the request provides at least one cookie
@@ -64,8 +64,8 @@ public function __invoke(ResponseEvent $event): void
             return;
         }
 
-        // 1) An Authorization header is present
-        if ($request->headers->has('Authorization')) {
+        // 1) An Authorization header is present and not empty
+        if ('' !== (string) $request->headers->get('Authorization')) {
             $this->makePrivate($response, 'authorization');
 
             return;
diff --git a/core-bundle/src/Repository/RememberMeRepository.php b/core-bundle/src/Repository/RememberMeRepository.php
index d004c987d8c..c0377830094 100644
--- a/core-bundle/src/Repository/RememberMeRepository.php
+++ b/core-bundle/src/Repository/RememberMeRepository.php
@@ -15,6 +15,7 @@
 use Contao\CoreBundle\Entity\RememberMe;
 use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
 use Doctrine\DBAL\Connection;
+use Doctrine\DBAL\Types\Types;
 use Symfony\Bridge\Doctrine\ManagerRegistry;
 
 /**
@@ -61,7 +62,7 @@ public function findBySeries(string $series): array
                 )
             )
             ->setParameter('series', $series)
-            ->setParameter('now', new \DateTime())
+            ->setParameter('now', new \DateTime(), Types::DATETIME_MUTABLE)
             ->orderBy('rm.expires', 'ASC')
         ;
 
diff --git a/core-bundle/src/Resources/contao/classes/Backend.php b/core-bundle/src/Resources/contao/classes/Backend.php
index dffcda9b1b9..ef5834b5b93 100644
--- a/core-bundle/src/Resources/contao/classes/Backend.php
+++ b/core-bundle/src/Resources/contao/classes/Backend.php
@@ -894,7 +894,7 @@ public static function addPagesBreadcrumb($strKey='tl_page_node')
 		$arrLinks = array_reverse($arrLinks);
 
 		// Insert breadcrumb menu
-		$GLOBALS['TL_DCA']['tl_page']['list']['sorting']['breadcrumb'] .= '
+		$GLOBALS['TL_DCA']['tl_page']['list']['sorting']['breadcrumb'] = ($GLOBALS['TL_DCA']['tl_page']['list']['sorting']['breadcrumb'] ?? '') . '
 
 <nav aria-label="' . $GLOBALS['TL_LANG']['MSC']['breadcrumbMenu'] . '">
   <ul id="tl_breadcrumb">
@@ -1068,7 +1068,7 @@ public static function addFilesBreadcrumb($strKey='tl_files_node')
 		$GLOBALS['TL_DCA']['tl_files']['list']['sorting']['root'] = array($strNode);
 
 		// Insert breadcrumb menu
-		$GLOBALS['TL_DCA']['tl_files']['list']['sorting']['breadcrumb'] .= '
+		$GLOBALS['TL_DCA']['tl_files']['list']['sorting']['breadcrumb'] = ($GLOBALS['TL_DCA']['tl_files']['list']['sorting']['breadcrumb'] ?? '') . '
 
 <nav aria-label="' . $GLOBALS['TL_LANG']['MSC']['breadcrumbMenu'] . '">
   <ul id="tl_breadcrumb">
diff --git a/core-bundle/src/Resources/contao/drivers/DC_Folder.php b/core-bundle/src/Resources/contao/drivers/DC_Folder.php
index 2e22efa7a10..42f7375eb0d 100644
--- a/core-bundle/src/Resources/contao/drivers/DC_Folder.php
+++ b/core-bundle/src/Resources/contao/drivers/DC_Folder.php
@@ -17,6 +17,7 @@
 use Contao\CoreBundle\Twig\FailTolerantFilesystemLoader;
 use Contao\CoreBundle\Util\SymlinkUtil;
 use Contao\Image\ResizeConfiguration;
+use Doctrine\DBAL\Exception\DriverException;
 use Imagine\Exception\RuntimeException;
 use Imagine\Gd\Imagine;
 use Symfony\Component\Filesystem\Filesystem;
@@ -317,75 +318,78 @@ public function showAll()
 		// Limit the results by modifying $this->arrFilemounts
 		if ((string) $for !== '')
 		{
-			// Wrap in a try catch block in case the regular expression is invalid (see #7743)
 			try
 			{
-				$strPattern = "CAST(name AS CHAR) REGEXP ?";
+				$this->Database->prepare("SELECT '' REGEXP ?")->execute($for);
+			}
+			catch (DriverException $exception)
+			{
+				// Quote search string if it is not a valid regular expression
+				$for = preg_quote($for);
+			}
 
-				if (substr(Config::get('dbCollation'), -3) == '_ci')
-				{
-					$strPattern = "LOWER(CAST(name AS CHAR)) REGEXP LOWER(?)";
-				}
+			$strPattern = "CAST(name AS CHAR) REGEXP ?";
 
-				if (isset($GLOBALS['TL_DCA'][$this->strTable]['fields']['name']['foreignKey']))
-				{
-					list($t, $f) = explode('.', $GLOBALS['TL_DCA'][$this->strTable]['fields']['name']['foreignKey']);
+			if (substr(Config::get('dbCollation'), -3) == '_ci')
+			{
+				$strPattern = "LOWER(CAST(name AS CHAR)) REGEXP LOWER(?)";
+			}
 
-					$objRoot = $this->Database->prepare("SELECT path, type, extension FROM " . $this->strTable . " WHERE (" . $strPattern . " OR " . sprintf($strPattern, "(SELECT " . Database::quoteIdentifier($f) . " FROM $t WHERE $t.id=" . $this->strTable . ".name)") . ")")
-											  ->execute($for, $for);
-				}
-				else
-				{
-					$objRoot = $this->Database->prepare("SELECT path, type, extension FROM " . $this->strTable . " WHERE " . $strPattern)
-											  ->execute($for);
-				}
+			if (isset($GLOBALS['TL_DCA'][$this->strTable]['fields']['name']['foreignKey']))
+			{
+				list($t, $f) = explode('.', $GLOBALS['TL_DCA'][$this->strTable]['fields']['name']['foreignKey']);
 
-				if ($objRoot->numRows < 1)
-				{
-					$this->arrFilemounts = array();
-				}
-				else
-				{
-					$arrRoot = array();
+				$objRoot = $this->Database->prepare("SELECT path, type, extension FROM " . $this->strTable . " WHERE (" . $strPattern . " OR " . sprintf($strPattern, "(SELECT " . Database::quoteIdentifier($f) . " FROM $t WHERE $t.id=" . $this->strTable . ".name)") . ")")
+										  ->execute($for, $for);
+			}
+			else
+			{
+				$objRoot = $this->Database->prepare("SELECT path, type, extension FROM " . $this->strTable . " WHERE " . $strPattern)
+										  ->execute($for);
+			}
+
+			if ($objRoot->numRows < 1)
+			{
+				$this->arrFilemounts = array();
+			}
+			else
+			{
+				$arrRoot = array();
 
-					// Respect existing limitations (root IDs)
-					if (\is_array($GLOBALS['TL_DCA'][$this->strTable]['list']['sorting']['root'] ?? null))
+				// Respect existing limitations (root IDs)
+				if (\is_array($GLOBALS['TL_DCA'][$this->strTable]['list']['sorting']['root'] ?? null))
+				{
+					while ($objRoot->next())
 					{
-						while ($objRoot->next())
+						foreach ($GLOBALS['TL_DCA'][$this->strTable]['list']['sorting']['root'] as $root)
 						{
-							foreach ($GLOBALS['TL_DCA'][$this->strTable]['list']['sorting']['root'] as $root)
+							if (strncmp($root . '/', $objRoot->path . '/', \strlen($root) + 1) === 0)
 							{
-								if (strncmp($root . '/', $objRoot->path . '/', \strlen($root) + 1) === 0)
+								if ($objRoot->type == 'folder' || empty($this->arrValidFileTypes) || \in_array($objRoot->extension, $this->arrValidFileTypes))
 								{
-									if ($objRoot->type == 'folder' || empty($this->arrValidFileTypes) || \in_array($objRoot->extension, $this->arrValidFileTypes))
-									{
-										$arrFound[] = $objRoot->path;
-									}
-
-									$arrRoot[] = ($objRoot->type == 'folder') ? $objRoot->path : \dirname($objRoot->path);
-									continue 2;
+									$arrFound[] = $objRoot->path;
 								}
+
+								$arrRoot[] = ($objRoot->type == 'folder') ? $objRoot->path : \dirname($objRoot->path);
+								continue 2;
 							}
 						}
 					}
-					else
+				}
+				else
+				{
+					while ($objRoot->next())
 					{
-						while ($objRoot->next())
+						if ($objRoot->type == 'folder' || empty($this->arrValidFileTypes) || \in_array($objRoot->extension, $this->arrValidFileTypes))
 						{
-							if ($objRoot->type == 'folder' || empty($this->arrValidFileTypes) || \in_array($objRoot->extension, $this->arrValidFileTypes))
-							{
-								$arrFound[] = $objRoot->path;
-							}
-
-							$arrRoot[] = ($objRoot->type == 'folder') ? $objRoot->path : \dirname($objRoot->path);
+							$arrFound[] = $objRoot->path;
 						}
-					}
 
-					$this->arrFilemounts = $this->eliminateNestedPaths(array_unique($arrRoot));
+						$arrRoot[] = ($objRoot->type == 'folder') ? $objRoot->path : \dirname($objRoot->path);
+					}
 				}
-			}
-			catch (\Exception $e)
-			{
+
+				$this->arrFilemounts = $this->eliminateNestedPaths(array_unique($arrRoot));
 			}
 		}
 
@@ -2915,21 +2919,6 @@ protected function searchMenu()
 		{
 			$strKeyword = ltrim(Input::postRaw('tl_value'), '*');
 
-			// Make sure the regular expression is valid
-			if ($strKeyword)
-			{
-				try
-				{
-					$this->Database->prepare("SELECT * FROM " . $this->strTable . " WHERE name REGEXP ?")
-								   ->limit(1)
-								   ->execute($strKeyword);
-				}
-				catch (\Exception $e)
-				{
-					$strKeyword = '';
-				}
-			}
-
 			$session['search'][$this->strTable]['value'] = $strKeyword;
 
 			$objSessionBag->replace($session);
@@ -2938,6 +2927,18 @@ protected function searchMenu()
 		// Set the search value from the session
 		elseif (isset($session['search'][$this->strTable]['value']) && (string) $session['search'][$this->strTable]['value'] !== '')
 		{
+			$searchValue = $session['search'][$this->strTable]['value'];
+
+			try
+			{
+				$this->Database->prepare("SELECT '' REGEXP ?")->execute($searchValue);
+			}
+			catch (DriverException $exception)
+			{
+				// Quote search string if it is not a valid regular expression
+				$searchValue = preg_quote($searchValue);
+			}
+
 			$strPattern = "CAST(name AS CHAR) REGEXP ?";
 
 			if (substr(Config::get('dbCollation'), -3) == '_ci')
@@ -2949,14 +2950,14 @@ protected function searchMenu()
 			{
 				list($t, $f) = explode('.', $GLOBALS['TL_DCA'][$this->strTable]['fields']['name']['foreignKey']);
 				$this->procedure[] = "(" . $strPattern . " OR " . sprintf($strPattern, "(SELECT " . Database::quoteIdentifier($f) . " FROM $t WHERE $t.id=" . $this->strTable . ".name)") . ")";
-				$this->values[] = $session['search'][$this->strTable]['value'] ?? null;
+				$this->values[] = $searchValue;
 			}
 			else
 			{
 				$this->procedure[] = $strPattern;
 			}
 
-			$this->values[] = $session['search'][$this->strTable]['value'] ?? null;
+			$this->values[] = $searchValue;
 		}
 
 		$active = isset($session['search'][$this->strTable]['value']) && (string) $session['search'][$this->strTable]['value'] !== '';
diff --git a/core-bundle/src/Resources/contao/drivers/DC_Table.php b/core-bundle/src/Resources/contao/drivers/DC_Table.php
index 428681a05e6..7291a2d03c2 100644
--- a/core-bundle/src/Resources/contao/drivers/DC_Table.php
+++ b/core-bundle/src/Resources/contao/drivers/DC_Table.php
@@ -14,6 +14,7 @@
 use Contao\CoreBundle\Exception\InternalServerErrorException;
 use Contao\CoreBundle\Exception\ResponseException;
 use Contao\CoreBundle\Picker\PickerInterface;
+use Doctrine\DBAL\Exception\DriverException;
 use Patchwork\Utf8;
 use Symfony\Component\HttpFoundation\Session\Attribute\AttributeBagInterface;
 use Symfony\Component\HttpFoundation\Session\Session;
@@ -5187,21 +5188,6 @@ protected function searchMenu()
 				$strKeyword = '';
 			}
 
-			// Make sure the regular expression is valid
-			if ($strField && $strKeyword)
-			{
-				try
-				{
-					$this->Database->prepare("SELECT * FROM " . $this->strTable . " WHERE " . Database::quoteIdentifier($strField) . " REGEXP ?")
-								   ->limit(1)
-								   ->execute($strKeyword);
-				}
-				catch (\Exception $e)
-				{
-					$strKeyword = '';
-				}
-			}
-
 			$session['search'][$this->strTable]['field'] = $strField;
 			$session['search'][$this->strTable]['value'] = $strKeyword;
 
@@ -5211,27 +5197,65 @@ protected function searchMenu()
 		// Set the search value from the session
 		elseif (isset($session['search'][$this->strTable]['value']) && (string) $session['search'][$this->strTable]['value'] !== '')
 		{
-			$strPattern = "CAST(%s AS CHAR) REGEXP ?";
+			$searchValue = $session['search'][$this->strTable]['value'];
+			$fld = $session['search'][$this->strTable]['field'] ?? null;
 
-			if (substr(Config::get('dbCollation'), -3) == '_ci')
+			try
+			{
+				$this->Database->prepare("SELECT '' REGEXP ?")->execute($searchValue);
+			}
+			catch (DriverException $exception)
+			{
+				// Quote search string if it is not a valid regular expression
+				$searchValue = preg_quote($searchValue);
+			}
+
+			$strReplacePrefix = '';
+			$strReplaceSuffix = '';
+
+			// Decode HTML entities to make them searchable
+			if (empty($GLOBALS['TL_DCA'][$this->strTable]['fields'][$fld]['eval']['decodeEntities']))
 			{
-				$strPattern = "LOWER(CAST(%s AS CHAR)) REGEXP LOWER(?)";
+				$arrReplace = array(
+					'&#35;' => '#',
+					'&#60;' => '<',
+					'&#62;' => '>',
+					'&lt;' => '<',
+					'&gt;' => '>',
+					'&#40;' => '(',
+					'&#41;' => ')',
+					'&#92;' => '\\\\',
+					'&#61;' => '=',
+					'&amp;' => '&',
+				);
+
+				$strReplacePrefix = str_repeat('REPLACE(', \count($arrReplace));
+
+				foreach ($arrReplace as $strSource => $strTarget)
+				{
+					$strReplaceSuffix .= ", '$strSource', '$strTarget')";
+				}
 			}
 
-			$fld = $session['search'][$this->strTable]['field'] ?? array();
+			$strPattern = "$strReplacePrefix CAST(%s AS CHAR) $strReplaceSuffix REGEXP ?";
+
+			if (substr(Config::get('dbCollation'), -3) == '_ci')
+			{
+				$strPattern = "$strReplacePrefix LOWER(CAST(%s AS CHAR)) $strReplaceSuffix REGEXP LOWER(?)";
+			}
 
 			if (isset($GLOBALS['TL_DCA'][$this->strTable]['fields'][$fld]['foreignKey']))
 			{
 				list($t, $f) = explode('.', $GLOBALS['TL_DCA'][$this->strTable]['fields'][$fld]['foreignKey'], 2);
 				$this->procedure[] = "(" . sprintf($strPattern, Database::quoteIdentifier($fld)) . " OR " . sprintf($strPattern, "(SELECT " . Database::quoteIdentifier($f) . " FROM $t WHERE $t.id=" . $this->strTable . "." . Database::quoteIdentifier($fld) . ")") . ")";
-				$this->values[] = $session['search'][$this->strTable]['value'] ?? null;
+				$this->values[] = $searchValue;
 			}
 			else
 			{
 				$this->procedure[] = sprintf($strPattern, Database::quoteIdentifier($fld));
 			}
 
-			$this->values[] = $session['search'][$this->strTable]['value'] ?? null;
+			$this->values[] = $searchValue;
 		}
 
 		$options_sorter = array();
diff --git a/core-bundle/src/Resources/contao/elements/ContentAccordion.php b/core-bundle/src/Resources/contao/elements/ContentAccordion.php
index 171f4137a8b..20d4b479d90 100644
--- a/core-bundle/src/Resources/contao/elements/ContentAccordion.php
+++ b/core-bundle/src/Resources/contao/elements/ContentAccordion.php
@@ -45,7 +45,7 @@ protected function compile()
 			$figureBuilder
 				->setSize($this->size)
 				->setMetadata($this->objModel->getOverwriteMetadata())
-				->enableLightbox($this->fullsize)
+				->enableLightbox((bool) $this->fullsize)
 				->build()
 				->applyLegacyTemplateData($this->Template, $this->imagemargin, $this->floating);
 		}
diff --git a/core-bundle/src/Resources/contao/elements/ContentGallery.php b/core-bundle/src/Resources/contao/elements/ContentGallery.php
index fb1fce97894..d784dd9f882 100644
--- a/core-bundle/src/Resources/contao/elements/ContentGallery.php
+++ b/core-bundle/src/Resources/contao/elements/ContentGallery.php
@@ -221,7 +221,7 @@ protected function compile()
 			->getFigureBuilder()
 			->setSize($this->size)
 			->setLightboxGroupIdentifier('lb' . $this->id)
-			->enableLightbox($this->fullsize);
+			->enableLightbox((bool) $this->fullsize);
 
 		// Rows
 		for ($i=$offset; $i<$limit; $i+=$this->perRow)
diff --git a/core-bundle/src/Resources/contao/elements/ContentImage.php b/core-bundle/src/Resources/contao/elements/ContentImage.php
index e565bfa9298..f52a4ae94ab 100644
--- a/core-bundle/src/Resources/contao/elements/ContentImage.php
+++ b/core-bundle/src/Resources/contao/elements/ContentImage.php
@@ -73,7 +73,7 @@ protected function compile()
 		$figureBuilder
 			->setSize($this->size)
 			->setMetadata($this->objModel->getOverwriteMetadata())
-			->enableLightbox($this->fullsize)
+			->enableLightbox((bool) $this->fullsize)
 			->build()
 			->applyLegacyTemplateData($this->Template, $this->imagemargin);
 	}
diff --git a/core-bundle/src/Resources/contao/elements/ContentText.php b/core-bundle/src/Resources/contao/elements/ContentText.php
index 77972900b51..7326e02f1e8 100644
--- a/core-bundle/src/Resources/contao/elements/ContentText.php
+++ b/core-bundle/src/Resources/contao/elements/ContentText.php
@@ -51,7 +51,7 @@ protected function compile()
 			$figureBuilder
 				->setSize($this->size)
 				->setMetadata($this->objModel->getOverwriteMetadata())
-				->enableLightbox($this->fullsize)
+				->enableLightbox((bool) $this->fullsize)
 				->build()
 				->applyLegacyTemplateData($this->Template, $this->imagemargin, $this->floating);
 		}
diff --git a/core-bundle/src/Resources/contao/library/Contao/Controller.php b/core-bundle/src/Resources/contao/library/Contao/Controller.php
index 748465cd6f5..60453159bcb 100644
--- a/core-bundle/src/Resources/contao/library/Contao/Controller.php
+++ b/core-bundle/src/Resources/contao/library/Contao/Controller.php
@@ -1706,7 +1706,7 @@ public static function addImageToTemplate($template, array $rowData, $maxWidth =
 			->setSize($size)
 			->setLightboxGroupIdentifier($lightboxGroupIdentifier)
 			->setLightboxSize($lightboxSize)
-			->enableLightbox($rowData['fullsize'] ?? false)
+			->enableLightbox((bool) ($rowData['fullsize'] ?? false))
 			->build();
 
 		// Build result and apply it to the template
diff --git a/core-bundle/src/Resources/contao/modules/ModuleRandomImage.php b/core-bundle/src/Resources/contao/modules/ModuleRandomImage.php
index f3abbd367f8..f41627c5787 100644
--- a/core-bundle/src/Resources/contao/modules/ModuleRandomImage.php
+++ b/core-bundle/src/Resources/contao/modules/ModuleRandomImage.php
@@ -129,7 +129,7 @@ protected function compile()
 			->getFigureBuilder()
 			->fromFilesModel($images[array_rand($images)])
 			->setSize($this->imgSize)
-			->enableLightbox($this->fullsize)
+			->enableLightbox((bool) $this->fullsize)
 			->build()
 			->getLegacyTemplateData();
 
diff --git a/core-bundle/src/Resources/contao/templates/forms/form_range.html5 b/core-bundle/src/Resources/contao/templates/forms/form_range.html5
index 66a854b0167..9acf6665d20 100644
--- a/core-bundle/src/Resources/contao/templates/forms/form_range.html5
+++ b/core-bundle/src/Resources/contao/templates/forms/form_range.html5
@@ -17,5 +17,5 @@
     <p class="error"><?= $this->getErrorAsString() ?></p>
   <?php endif; ?>
 
-  <input type="<?= $this->type ?>" name="<?= $this->name ?>" id="ctrl_<?= $this->id ?>" class="range<?php if ($this->class): ?> <?= $this->class ?><?php endif; ?>"<?php if ($this->value): ?> value="<?= (float) $this->value ?>"<?php endif; ?><?= $this->getAttributes() ?>>
+  <input type="<?= $this->type ?>" name="<?= $this->name ?>" id="ctrl_<?= $this->id ?>" class="range<?php if ($this->class): ?> <?= $this->class ?><?php endif; ?>"<?php if ('' !== (string) $this->value): ?> value="<?= (float) $this->value ?>"<?php endif; ?><?= $this->getAttributes() ?>>
 <?php $this->endblock(); ?>
diff --git a/core-bundle/src/Resources/contao/widgets/FileSelector.php b/core-bundle/src/Resources/contao/widgets/FileSelector.php
index 9b9c887affe..973b248f5b2 100644
--- a/core-bundle/src/Resources/contao/widgets/FileSelector.php
+++ b/core-bundle/src/Resources/contao/widgets/FileSelector.php
@@ -11,6 +11,7 @@
 namespace Contao;
 
 use Contao\Image\ResizeConfiguration;
+use Doctrine\DBAL\Exception\DriverException;
 use Symfony\Component\HttpFoundation\Session\Attribute\AttributeBagInterface;
 
 /**
@@ -85,21 +86,6 @@ public function generate()
 		{
 			$strKeyword = ltrim(Input::postRaw('keyword'), '*');
 
-			// Make sure the regular expression is valid
-			if ($strKeyword)
-			{
-				try
-				{
-					$this->Database->prepare("SELECT * FROM tl_files WHERE name REGEXP ?")
-								   ->limit(1)
-								   ->execute($strKeyword);
-				}
-				catch (\Exception $e)
-				{
-					$strKeyword = '';
-				}
-			}
-
 			$objSessionBag->set('file_selector_search', $strKeyword);
 			$this->reload();
 		}
@@ -111,61 +97,54 @@ public function generate()
 		// Search for a specific file
 		if ((string) $for !== '')
 		{
-			// Wrap in a try catch block in case the regular expression is invalid (see #7743)
 			try
 			{
-				$strPattern = "CAST(name AS CHAR) REGEXP ?";
+				$this->Database->prepare("SELECT '' REGEXP ?")->execute($for);
+			}
+			catch (DriverException $exception)
+			{
+				// Quote search string if it is not a valid regular expression
+				$for = preg_quote($for);
+			}
 
-				if (substr(Config::get('dbCollation'), -3) == '_ci')
-				{
-					$strPattern = "LOWER(CAST(name AS CHAR)) REGEXP LOWER(?)";
-				}
+			$strPattern = "CAST(name AS CHAR) REGEXP ?";
 
-				$strType = '';
+			if (substr(Config::get('dbCollation'), -3) == '_ci')
+			{
+				$strPattern = "LOWER(CAST(name AS CHAR)) REGEXP LOWER(?)";
+			}
 
-				if (strpos($for, 'type:file') !== false)
-				{
-					$strType = " AND type='file'";
-					$for = trim(str_replace('type:file', '', $for));
-				}
+			$strType = '';
 
-				if (strpos($for, 'type:folder') !== false)
-				{
-					$strType = " AND type='folder'";
-					$for = trim(str_replace('type:folder', '', $for));
-				}
+			if (strpos($for, 'type:file') !== false)
+			{
+				$strType = " AND type='file'";
+				$for = trim(str_replace('type:file', '', $for));
+			}
 
-				$objRoot = $this->Database->prepare("SELECT path, type, extension FROM tl_files WHERE $strPattern $strType")
-										  ->execute($for);
+			if (strpos($for, 'type:folder') !== false)
+			{
+				$strType = " AND type='folder'";
+				$for = trim(str_replace('type:folder', '', $for));
+			}
 
-				if ($objRoot->numRows < 1)
-				{
-					$GLOBALS['TL_DCA']['tl_files']['list']['sorting']['root'] = array('');
-				}
-				else
-				{
-					$arrPaths = array();
+			$objRoot = $this->Database->prepare("SELECT path, type, extension FROM tl_files WHERE $strPattern $strType")
+									  ->execute($for);
 
-					// Respect existing limitations
-					if ($this->path)
-					{
-						while ($objRoot->next())
-						{
-							if (strncmp($this->path . '/', $objRoot->path . '/', \strlen($this->path) + 1) === 0)
-							{
-								if ($objRoot->type == 'folder' || empty($this->arrValidFileTypes) || \in_array($objRoot->extension, $this->arrValidFileTypes))
-								{
-									$arrFound[] = $objRoot->path;
-								}
+			if ($objRoot->numRows < 1)
+			{
+				$GLOBALS['TL_DCA']['tl_files']['list']['sorting']['root'] = array('');
+			}
+			else
+			{
+				$arrPaths = array();
 
-								$arrPaths[] = ($objRoot->type == 'folder') ? $objRoot->path : \dirname($objRoot->path);
-							}
-						}
-					}
-					elseif ($this->User->isAdmin)
+				// Respect existing limitations
+				if ($this->path)
+				{
+					while ($objRoot->next())
 					{
-						// Show all files to admins
-						while ($objRoot->next())
+						if (strncmp($this->path . '/', $objRoot->path . '/', \strlen($this->path) + 1) === 0)
 						{
 							if ($objRoot->type == 'folder' || empty($this->arrValidFileTypes) || \in_array($objRoot->extension, $this->arrValidFileTypes))
 							{
@@ -175,31 +154,41 @@ public function generate()
 							$arrPaths[] = ($objRoot->type == 'folder') ? $objRoot->path : \dirname($objRoot->path);
 						}
 					}
-					elseif (\is_array($this->User->filemounts))
+				}
+				elseif ($this->User->isAdmin)
+				{
+					// Show all files to admins
+					while ($objRoot->next())
 					{
-						while ($objRoot->next())
+						if ($objRoot->type == 'folder' || empty($this->arrValidFileTypes) || \in_array($objRoot->extension, $this->arrValidFileTypes))
 						{
-							// Show only mounted folders to regular users
-							foreach ($this->User->filemounts as $path)
+							$arrFound[] = $objRoot->path;
+						}
+
+						$arrPaths[] = ($objRoot->type == 'folder') ? $objRoot->path : \dirname($objRoot->path);
+					}
+				}
+				elseif (\is_array($this->User->filemounts))
+				{
+					while ($objRoot->next())
+					{
+						// Show only mounted folders to regular users
+						foreach ($this->User->filemounts as $path)
+						{
+							if (strncmp($path . '/', $objRoot->path . '/', \strlen($path) + 1) === 0)
 							{
-								if (strncmp($path . '/', $objRoot->path . '/', \strlen($path) + 1) === 0)
+								if ($objRoot->type == 'folder' || empty($this->arrValidFileTypes) || \in_array($objRoot->extension, $this->arrValidFileTypes))
 								{
-									if ($objRoot->type == 'folder' || empty($this->arrValidFileTypes) || \in_array($objRoot->extension, $this->arrValidFileTypes))
-									{
-										$arrFound[] = $objRoot->path;
-									}
-
-									$arrPaths[] = ($objRoot->type == 'folder') ? $objRoot->path : \dirname($objRoot->path);
+									$arrFound[] = $objRoot->path;
 								}
+
+								$arrPaths[] = ($objRoot->type == 'folder') ? $objRoot->path : \dirname($objRoot->path);
 							}
 						}
 					}
-
-					$GLOBALS['TL_DCA']['tl_files']['list']['sorting']['root'] = array_unique($arrPaths);
 				}
-			}
-			catch (\Exception $e)
-			{
+
+				$GLOBALS['TL_DCA']['tl_files']['list']['sorting']['root'] = array_unique($arrPaths);
 			}
 		}
 
diff --git a/core-bundle/src/Resources/contao/widgets/PageSelector.php b/core-bundle/src/Resources/contao/widgets/PageSelector.php
index f6f2f148d93..4800340f110 100644
--- a/core-bundle/src/Resources/contao/widgets/PageSelector.php
+++ b/core-bundle/src/Resources/contao/widgets/PageSelector.php
@@ -10,6 +10,7 @@
 
 namespace Contao;
 
+use Doctrine\DBAL\Exception\DriverException;
 use Symfony\Component\HttpFoundation\Session\Attribute\AttributeBagInterface;
 
 /**
@@ -68,21 +69,6 @@ public function generate()
 		{
 			$strKeyword = ltrim(Input::postRaw('keyword'), '*');
 
-			// Make sure the regular expression is valid
-			if ($strKeyword !== '')
-			{
-				try
-				{
-					$this->Database->prepare("SELECT * FROM tl_page WHERE title REGEXP ?")
-								   ->limit(1)
-								   ->execute($strKeyword);
-				}
-				catch (\Exception $e)
-				{
-					$strKeyword = '';
-				}
-			}
-
 			$objSessionBag->set('page_selector_search', $strKeyword);
 			$this->reload();
 		}
@@ -95,67 +81,70 @@ public function generate()
 		// Search for a specific page
 		if ((string) $for !== '')
 		{
-			// Wrap in a try catch block in case the regular expression is invalid (see #7743)
 			try
 			{
-				$strPattern = "CAST(title AS CHAR) REGEXP ?";
+				$this->Database->prepare("SELECT '' REGEXP ?")->execute($for);
+			}
+			catch (DriverException $exception)
+			{
+				// Quote search string if it is not a valid regular expression
+				$for = preg_quote($for);
+			}
 
-				if (substr(Config::get('dbCollation'), -3) == '_ci')
-				{
-					$strPattern = "LOWER(CAST(title AS CHAR)) REGEXP LOWER(?)";
-				}
+			$strPattern = "CAST(title AS CHAR) REGEXP ?";
 
-				$objRoot = $this->Database->prepare("SELECT id FROM tl_page WHERE $strPattern GROUP BY id")
-										  ->execute($for);
+			if (substr(Config::get('dbCollation'), -3) == '_ci')
+			{
+				$strPattern = "LOWER(CAST(title AS CHAR)) REGEXP LOWER(?)";
+			}
 
-				if ($objRoot->numRows < 1)
-				{
-					$GLOBALS['TL_DCA']['tl_page']['list']['sorting']['root'] = array(0);
-				}
-				else
-				{
-					$arrIds = array();
+			$objRoot = $this->Database->prepare("SELECT id FROM tl_page WHERE $strPattern GROUP BY id")
+									  ->execute($for);
 
-					// Respect existing limitations
-					if (\is_array($this->rootNodes))
-					{
-						while ($objRoot->next())
-						{
-							// Predefined node set (see #3563)
-							if (\count(array_intersect($this->rootNodes, $this->Database->getParentRecords($objRoot->id, 'tl_page'))) > 0)
-							{
-								$arrFound[] = $objRoot->id;
-								$arrIds[] = $objRoot->id;
-							}
-						}
-					}
-					elseif ($this->User->isAdmin)
+			if ($objRoot->numRows < 1)
+			{
+				$GLOBALS['TL_DCA']['tl_page']['list']['sorting']['root'] = array(0);
+			}
+			else
+			{
+				$arrIds = array();
+
+				// Respect existing limitations
+				if (\is_array($this->rootNodes))
+				{
+					while ($objRoot->next())
 					{
-						// Show all pages to admins
-						while ($objRoot->next())
+						// Predefined node set (see #3563)
+						if (\count(array_intersect($this->rootNodes, $this->Database->getParentRecords($objRoot->id, 'tl_page'))) > 0)
 						{
 							$arrFound[] = $objRoot->id;
 							$arrIds[] = $objRoot->id;
 						}
 					}
-					else
+				}
+				elseif ($this->User->isAdmin)
+				{
+					// Show all pages to admins
+					while ($objRoot->next())
+					{
+						$arrFound[] = $objRoot->id;
+						$arrIds[] = $objRoot->id;
+					}
+				}
+				else
+				{
+					while ($objRoot->next())
 					{
-						while ($objRoot->next())
+						// Show only mounted pages to regular users
+						if (\count(array_intersect($this->User->pagemounts, $this->Database->getParentRecords($objRoot->id, 'tl_page'))) > 0)
 						{
-							// Show only mounted pages to regular users
-							if (\count(array_intersect($this->User->pagemounts, $this->Database->getParentRecords($objRoot->id, 'tl_page'))) > 0)
-							{
-								$arrFound[] = $objRoot->id;
-								$arrIds[] = $objRoot->id;
-							}
+							$arrFound[] = $objRoot->id;
+							$arrIds[] = $objRoot->id;
 						}
 					}
-
-					$GLOBALS['TL_DCA']['tl_page']['list']['sorting']['root'] = array_unique($arrIds);
 				}
-			}
-			catch (\Exception $e)
-			{
+
+				$GLOBALS['TL_DCA']['tl_page']['list']['sorting']['root'] = array_unique($arrIds);
 			}
 		}
 
diff --git a/core-bundle/src/Resources/public/mootao.js b/core-bundle/src/Resources/public/mootao.js
index 1965c8b1ca7..19d3a21d22a 100644
--- a/core-bundle/src/Resources/public/mootao.js
+++ b/core-bundle/src/Resources/public/mootao.js
@@ -75,6 +75,17 @@ Request.Contao = new Class(
 		}
 
 		this.onSuccess(json.content, json);
+	},
+
+	failure: function() {
+		var url = this.getHeader('X-Ajax-Location');
+
+		if (url && this.options.followRedirects && this.status >= 300 && this.status < 400) {
+			location.replace(url);
+			return;
+		}
+
+		this.onFailure();
 	}
 });
 
diff --git a/core-bundle/src/Resources/public/mootao.min.js b/core-bundle/src/Resources/public/mootao.min.js
index 5cfa245e543..5f636c22ad5 100644
--- a/core-bundle/src/Resources/public/mootao.min.js
+++ b/core-bundle/src/Resources/public/mootao.min.js
@@ -1 +1 @@
-Request.Contao=new Class({Extends:Request.JSON,options:{followRedirects:!0,url:window.location.href},initialize:function(t){t&&!t.url&&t.field&&t.field.form&&t.field.form.action&&(this.options.url=t.field.form.action),this.parent(t)},success:function(e){var i,t=this.getHeader("X-Ajax-Location");if(t&&this.options.followRedirects)location.replace(t);else{try{i=this.response.json=JSON.decode(e,this.options.secure)}catch(t){i={content:e}}null===i?i={content:""}:"object"!=typeof i&&(i={content:e}),""!=i.content&&(i.content=i.content.stripScripts(function(t){i.javascript=t.replace(/<!--|\/\/-->|<!\[CDATA\[\/\/>|<!]]>/g,"")}),i.javascript&&this.options.evalScripts&&Browser.exec(i.javascript)),this.onSuccess(i.content,i)}}}),Request.Mixed=Request.Contao,Tips.Contao=new Class({Extends:Tips,options:{id:"tip",onShow:function(){this.tip.setStyle("display","block")},onHide:function(){this.tip.setStyle("display","none")},title:"title",text:"",showDelay:1e3,hideDelay:100,className:"tip-wrap",offset:{x:16,y:16},windowPadding:{x:0,y:0},fixed:!0,waiAria:!0},position:function(t){this.tip||document.id(this);var e=window.getSize(),i=window.getScroll(),s={x:this.tip.offsetWidth,y:this.tip.offsetHeight},n={x:"left",y:"top"},o={y:!1,x2:!1,y2:!1,x:!1},r={};for(var a in n)r[n[a]]=t.page[a]+this.options.offset[a],r[n[a]]<0&&(o[a]=!0),r[n[a]]+s[a]-i[a]>e[a]-this.options.windowPadding[a]&&("x"==a&&(r[n[a]]=t.page[a]-this.options.offset[a]-s[a]),o[a+"2"]=!0);var h=this.tip.getElement("div.tip-top");o.x2?(r.left+=24,h.setStyles({left:"auto",right:"9px"})):(r.left-=9,h.setStyles({left:"9px",right:"auto"})),this.fireEvent("bound",o),this.tip.setStyles(r)},hide:function(t){this.tip||document.id(this),this.fireEvent("hide",[this.tip,t])}}),Class.refactor(Drag,{attach:function(){return this.handles.addEvent("touchstart",this.bound.start),this.previous.apply(this,arguments)},detach:function(){return this.handles.removeEvent("touchstart",this.bound.start),this.previous.apply(this,arguments)},start:function(){document.addEvents({touchmove:this.bound.check,touchend:this.bound.cancel}),this.previous.apply(this,arguments)},check:function(t){this.options.preventDefault&&t.preventDefault(),Math.round(Math.sqrt(Math.pow(t.page.x-this.mouse.start.x,2)+Math.pow(t.page.y-this.mouse.start.y,2)))>this.options.snap&&(this.cancel(),this.document.addEvents({mousemove:this.bound.drag,mouseup:this.bound.stop}),document.addEvents({touchmove:this.bound.drag,touchend:this.bound.stop}),this.fireEvent("start",[this.element,t]).fireEvent("snap",this.element))},cancel:function(){return document.removeEvents({touchmove:this.bound.check,touchend:this.bound.cancel}),this.previous.apply(this,arguments)},stop:function(){return document.removeEvents({touchmove:this.bound.drag,touchend:this.bound.stop}),this.previous.apply(this,arguments)}}),Class.refactor(Sortables,{initialize:function(t,e){return e.dragOptions=Object.merge(e.dragOptions||{},{preventDefault:e.dragOptions&&e.dragOptions.preventDefault||Browser.Features.Touch}),void 0===e.dragOptions.unDraggableTags&&(e.dragOptions.unDraggableTags=this.options.unDraggableTags.filter(function(t){return"button"!=t})),this.previous.apply(this,arguments)},addItems:function(){return Array.flatten(arguments).each(function(e){this.elements.push(e);var t=e.retrieve("sortables:start",function(t){this.start.call(this,t,e)}.bind(this));(this.options.handle&&e.getElement(this.options.handle)||e).addEvents({mousedown:t,touchstart:t})},this),this},removeItems:function(){return $$(Array.flatten(arguments).map(function(t){this.elements.erase(t);var e=t.retrieve("sortables:start");return(this.options.handle&&t.getElement(this.options.handle)||t).removeEvents({mousedown:e,touchend:e}),t},this))},getClone:function(t,e){if(!this.options.clone)return new Element(e.tagName).inject(document.body);if("function"==typeOf(this.options.clone))return this.options.clone.call(this,t,e,this.list);var i=this.previous.apply(this,arguments);return i.addEvent("touchstart",function(t){e.fireEvent("touchstart",t)}),i}}),Class.refactor(Request.Queue,{onComplete:function(){this.fireEvent("complete",arguments)},onCancel:function(){this.options.autoAdvance&&!this.error&&this.resume(),this.fireEvent("cancel",arguments)},onSuccess:function(){this.options.autoAdvance&&!this.error&&this.resume(),this.fireEvent("success",arguments),this.queue.length||this.isRunning()||this.fireEvent("end")},onFailure:function(){this.error=!0,!this.options.stopOnFailure&&this.options.autoAdvance&&this.resume(),this.fireEvent("failure",arguments),this.queue.length||this.isRunning()||this.fireEvent("end")},onException:function(){this.error=!0,!this.options.stopOnFailure&&this.options.autoAdvance&&this.resume(),this.fireEvent("exception",arguments)}}),Contao.SerpPreview=new Class({options:{id:0,trail:null,titleField:null,titleFallbackField:null,aliasField:null,descriptionField:null,descriptionFallbackField:null,titleTag:null},shorten:function(t,e){return t.length<=e?t:t.substr(0,t.lastIndexOf(" ",e))+" …"},html2string:function(t){return(new DOMParser).parseFromString(t,"text/html").body.textContent},getTinymce:function(){if(window.tinyMCE&&this.options.descriptionFallbackField)return window.tinyMCE.get(this.options.descriptionFallbackField)},initialize:function(){this.options=Object.merge.apply(null,[{},this.options].append(arguments));var t=$("serp_title_"+this.options.id),e=$("serp_url_"+this.options.id),i=$("serp_description_"+this.options.id),s=$(this.options.titleField),n=$(this.options.titleFallbackField),o=$(this.options.aliasField),r=$(this.options.descriptionField),a=$(this.options.descriptionFallbackField),h=-1===this.options.trail.indexOf("›"),l=this.options.titleTag||"%s";s&&s.addEvent("input",function(){s.value?t.set("text",this.shorten(l.replace(/\%s/,s.value),64)):n&&n.value?t.set("text",this.shorten(this.html2string(l.replace(/\%s/,n.value)),64)):t.set("text","")}.bind(this)),n&&n.addEvent("input",function(){s&&s.value||t.set("text",this.shorten(this.html2string(l.replace(/\%s/,n.value)),64))}.bind(this)),o&&o.addEvent("input",function(){"index"==o.value&&h?e.set("text",this.options.trail):e.set("text",this.options.trail+" › "+(o.value||this.options.id).replace(/\//g," › "))}.bind(this)),r&&r.addEvent("input",function(){if(r.value)i.set("text",this.shorten(r.value,160));else{var t=this.getTinymce();t?i.set("text",this.shorten(this.html2string(t.getContent()),160)):a&&a.value?i.set("text",this.shorten(this.html2string(a.value),160)):i.set("text","")}}.bind(this)),a&&a.addEvent("input",function(){r&&r.value||i.set("text",this.shorten(this.html2string(a.value),160))}.bind(this)),setTimeout(function(){var t=this.getTinymce();t&&t.on("keyup",function(){r&&r.value||i.set("text",this.shorten(this.html2string(window.tinyMCE.activeEditor.getContent()),160))}.bind(this))}.bind(this),4)}});
\ No newline at end of file
+Request.Contao=new Class({Extends:Request.JSON,options:{followRedirects:!0,url:window.location.href},initialize:function(t){t&&!t.url&&t.field&&t.field.form&&t.field.form.action&&(this.options.url=t.field.form.action),this.parent(t)},success:function(e){var i,t=this.getHeader("X-Ajax-Location");if(t&&this.options.followRedirects)location.replace(t);else{try{i=this.response.json=JSON.decode(e,this.options.secure)}catch(t){i={content:e}}null===i?i={content:""}:"object"!=typeof i&&(i={content:e}),""!=i.content&&(i.content=i.content.stripScripts(function(t){i.javascript=t.replace(/<!--|\/\/-->|<!\[CDATA\[\/\/>|<!]]>/g,"")}),i.javascript&&this.options.evalScripts&&Browser.exec(i.javascript)),this.onSuccess(i.content,i)}},failure:function(){var t=this.getHeader("X-Ajax-Location");t&&this.options.followRedirects&&300<=this.status&&this.status<400?location.replace(t):this.onFailure()}}),Request.Mixed=Request.Contao,Tips.Contao=new Class({Extends:Tips,options:{id:"tip",onShow:function(){this.tip.setStyle("display","block")},onHide:function(){this.tip.setStyle("display","none")},title:"title",text:"",showDelay:1e3,hideDelay:100,className:"tip-wrap",offset:{x:16,y:16},windowPadding:{x:0,y:0},fixed:!0,waiAria:!0},position:function(t){this.tip||document.id(this);var e=window.getSize(),i=window.getScroll(),s={x:this.tip.offsetWidth,y:this.tip.offsetHeight},n={x:"left",y:"top"},o={y:!1,x2:!1,y2:!1,x:!1},a={};for(var r in n)a[n[r]]=t.page[r]+this.options.offset[r],a[n[r]]<0&&(o[r]=!0),a[n[r]]+s[r]-i[r]>e[r]-this.options.windowPadding[r]&&("x"==r&&(a[n[r]]=t.page[r]-this.options.offset[r]-s[r]),o[r+"2"]=!0);var h=this.tip.getElement("div.tip-top");o.x2?(a.left+=24,h.setStyles({left:"auto",right:"9px"})):(a.left-=9,h.setStyles({left:"9px",right:"auto"})),this.fireEvent("bound",o),this.tip.setStyles(a)},hide:function(t){this.tip||document.id(this),this.fireEvent("hide",[this.tip,t])}}),Class.refactor(Drag,{attach:function(){return this.handles.addEvent("touchstart",this.bound.start),this.previous.apply(this,arguments)},detach:function(){return this.handles.removeEvent("touchstart",this.bound.start),this.previous.apply(this,arguments)},start:function(){document.addEvents({touchmove:this.bound.check,touchend:this.bound.cancel}),this.previous.apply(this,arguments)},check:function(t){this.options.preventDefault&&t.preventDefault(),Math.round(Math.sqrt(Math.pow(t.page.x-this.mouse.start.x,2)+Math.pow(t.page.y-this.mouse.start.y,2)))>this.options.snap&&(this.cancel(),this.document.addEvents({mousemove:this.bound.drag,mouseup:this.bound.stop}),document.addEvents({touchmove:this.bound.drag,touchend:this.bound.stop}),this.fireEvent("start",[this.element,t]).fireEvent("snap",this.element))},cancel:function(){return document.removeEvents({touchmove:this.bound.check,touchend:this.bound.cancel}),this.previous.apply(this,arguments)},stop:function(){return document.removeEvents({touchmove:this.bound.drag,touchend:this.bound.stop}),this.previous.apply(this,arguments)}}),Class.refactor(Sortables,{initialize:function(t,e){return e.dragOptions=Object.merge(e.dragOptions||{},{preventDefault:e.dragOptions&&e.dragOptions.preventDefault||Browser.Features.Touch}),void 0===e.dragOptions.unDraggableTags&&(e.dragOptions.unDraggableTags=this.options.unDraggableTags.filter(function(t){return"button"!=t})),this.previous.apply(this,arguments)},addItems:function(){return Array.flatten(arguments).each(function(e){this.elements.push(e);var t=e.retrieve("sortables:start",function(t){this.start.call(this,t,e)}.bind(this));(this.options.handle&&e.getElement(this.options.handle)||e).addEvents({mousedown:t,touchstart:t})},this),this},removeItems:function(){return $$(Array.flatten(arguments).map(function(t){this.elements.erase(t);var e=t.retrieve("sortables:start");return(this.options.handle&&t.getElement(this.options.handle)||t).removeEvents({mousedown:e,touchend:e}),t},this))},getClone:function(t,e){if(!this.options.clone)return new Element(e.tagName).inject(document.body);if("function"==typeOf(this.options.clone))return this.options.clone.call(this,t,e,this.list);var i=this.previous.apply(this,arguments);return i.addEvent("touchstart",function(t){e.fireEvent("touchstart",t)}),i}}),Class.refactor(Request.Queue,{onComplete:function(){this.fireEvent("complete",arguments)},onCancel:function(){this.options.autoAdvance&&!this.error&&this.resume(),this.fireEvent("cancel",arguments)},onSuccess:function(){this.options.autoAdvance&&!this.error&&this.resume(),this.fireEvent("success",arguments),this.queue.length||this.isRunning()||this.fireEvent("end")},onFailure:function(){this.error=!0,!this.options.stopOnFailure&&this.options.autoAdvance&&this.resume(),this.fireEvent("failure",arguments),this.queue.length||this.isRunning()||this.fireEvent("end")},onException:function(){this.error=!0,!this.options.stopOnFailure&&this.options.autoAdvance&&this.resume(),this.fireEvent("exception",arguments)}}),Contao.SerpPreview=new Class({options:{id:0,trail:null,titleField:null,titleFallbackField:null,aliasField:null,descriptionField:null,descriptionFallbackField:null,titleTag:null},shorten:function(t,e){return t.length<=e?t:t.substr(0,t.lastIndexOf(" ",e))+" …"},html2string:function(t){return(new DOMParser).parseFromString(t,"text/html").body.textContent},getTinymce:function(){if(window.tinyMCE&&this.options.descriptionFallbackField)return window.tinyMCE.get(this.options.descriptionFallbackField)},initialize:function(){this.options=Object.merge.apply(null,[{},this.options].append(arguments));var t=$("serp_title_"+this.options.id),e=$("serp_url_"+this.options.id),i=$("serp_description_"+this.options.id),s=$(this.options.titleField),n=$(this.options.titleFallbackField),o=$(this.options.aliasField),a=$(this.options.descriptionField),r=$(this.options.descriptionFallbackField),h=-1===this.options.trail.indexOf("›"),l=this.options.titleTag||"%s";s&&s.addEvent("input",function(){s.value?t.set("text",this.shorten(l.replace(/\%s/,s.value),64)):n&&n.value?t.set("text",this.shorten(this.html2string(l.replace(/\%s/,n.value)),64)):t.set("text","")}.bind(this)),n&&n.addEvent("input",function(){s&&s.value||t.set("text",this.shorten(this.html2string(l.replace(/\%s/,n.value)),64))}.bind(this)),o&&o.addEvent("input",function(){"index"==o.value&&h?e.set("text",this.options.trail):e.set("text",this.options.trail+" › "+(o.value||this.options.id).replace(/\//g," › "))}.bind(this)),a&&a.addEvent("input",function(){if(a.value)i.set("text",this.shorten(a.value,160));else{var t=this.getTinymce();t?i.set("text",this.shorten(this.html2string(t.getContent()),160)):r&&r.value?i.set("text",this.shorten(this.html2string(r.value),160)):i.set("text","")}}.bind(this)),r&&r.addEvent("input",function(){a&&a.value||i.set("text",this.shorten(this.html2string(r.value),160))}.bind(this)),setTimeout(function(){var t=this.getTinymce();t&&t.on("keyup",function(){a&&a.value||i.set("text",this.shorten(this.html2string(window.tinyMCE.activeEditor.getContent()),160))}.bind(this))}.bind(this),4)}});
\ No newline at end of file
diff --git a/core-bundle/src/Routing/AbstractPageRouteProvider.php b/core-bundle/src/Routing/AbstractPageRouteProvider.php
index d9eef9ef907..e4994952701 100644
--- a/core-bundle/src/Routing/AbstractPageRouteProvider.php
+++ b/core-bundle/src/Routing/AbstractPageRouteProvider.php
@@ -128,34 +128,37 @@ protected function compareRoutes(Route $a, Route $b, array $languages = null): i
             return 0;
         }
 
+        $langA = null;
+        $langB = null;
+
         if (null !== $languages && $pageA->rootLanguage !== $pageB->rootLanguage) {
             $langA = $languages[$pageA->rootLanguage] ?? null;
             $langB = $languages[$pageB->rootLanguage] ?? null;
+        }
 
-            if (null === $langA && null === $langB) {
-                if ($pageA->rootIsFallback && !$pageB->rootIsFallback) {
-                    return -1;
-                }
+        if (null === $langA && null === $langB) {
+            if ($pageA->rootIsFallback && !$pageB->rootIsFallback) {
+                return -1;
+            }
 
-                if ($pageB->rootIsFallback && !$pageA->rootIsFallback) {
-                    return 1;
-                }
-            } else {
-                if (null === $langA && null !== $langB) {
-                    return 1;
-                }
+            if ($pageB->rootIsFallback && !$pageA->rootIsFallback) {
+                return 1;
+            }
+        } else {
+            if (null === $langA && null !== $langB) {
+                return 1;
+            }
 
-                if (null !== $langA && null === $langB) {
-                    return -1;
-                }
+            if (null !== $langA && null === $langB) {
+                return -1;
+            }
 
-                if ($langA < $langB) {
-                    return -1;
-                }
+            if ($langA < $langB) {
+                return -1;
+            }
 
-                if ($langA > $langB) {
-                    return 1;
-                }
+            if ($langA > $langB) {
+                return 1;
             }
         }
 
diff --git a/core-bundle/src/Search/Document.php b/core-bundle/src/Search/Document.php
index 9e8f1cf54d0..4ffdd28eae7 100644
--- a/core-bundle/src/Search/Document.php
+++ b/core-bundle/src/Search/Document.php
@@ -139,6 +139,10 @@ public static function createFromRequestResponse(Request $request, Response $res
 
     private function filterJsonLd(array $jsonLds, string $context = '', string $type = ''): array
     {
+        if ('' !== $context) {
+            $context = rtrim($context, '/').'/';
+        }
+
         $matching = [];
 
         foreach ($jsonLds as $data) {
@@ -163,6 +167,8 @@ private function expandJsonLdContexts(array $data): array
         }
 
         if (\is_string($data['@context'])) {
+            $data['@context'] = rtrim($data['@context'], '/').'/';
+
             foreach ($data as $key => $value) {
                 if ('@type' === $key) {
                     $data[$key] = $data['@context'].$value;
diff --git a/core-bundle/tests/DependencyInjection/ContaoCoreExtensionTest.php b/core-bundle/tests/DependencyInjection/ContaoCoreExtensionTest.php
index cf884e4f41a..2ec1c7d2b84 100644
--- a/core-bundle/tests/DependencyInjection/ContaoCoreExtensionTest.php
+++ b/core-bundle/tests/DependencyInjection/ContaoCoreExtensionTest.php
@@ -3980,6 +3980,9 @@ public function testRegistersThePredefinedImageSizes(): void
                         'sizes' => [
                             '_defaults' => [
                                 'width' => 150,
+                                'formats' => [
+                                    'jpg' => ['webp', 'jpg'],
+                                ],
                             ],
                             'foo' => [
                                 'height' => 250,
@@ -4026,12 +4029,16 @@ public function testRegistersThePredefinedImageSizes(): void
                 'width' => 150,
                 'height' => 250,
                 'items' => [],
-                'formats' => [],
+                'formats' => [
+                    'jpg' => ['webp', 'jpg'],
+                ],
             ],
             '_bar' => [
                 'width' => 150,
                 'items' => [],
-                'formats' => [],
+                'formats' => [
+                    'jpg' => ['webp', 'jpg'],
+                ],
             ],
             '_foobar' => [
                 'width' => 100,
@@ -4052,7 +4059,9 @@ public function testRegistersThePredefinedImageSizes(): void
                     'sizes' => '50vw',
                     'media' => '(max-width: 900px)',
                 ]],
-                'formats' => [],
+                'formats' => [
+                    'jpg' => ['webp', 'jpg'],
+                ],
             ],
         ]];
 
diff --git a/core-bundle/tests/EventListener/MakeResponsePrivateListenerTest.php b/core-bundle/tests/EventListener/MakeResponsePrivateListenerTest.php
index bb17434b9d2..a811459a55d 100644
--- a/core-bundle/tests/EventListener/MakeResponsePrivateListenerTest.php
+++ b/core-bundle/tests/EventListener/MakeResponsePrivateListenerTest.php
@@ -94,6 +94,54 @@ public function testMakesResponsePrivateWhenAnAuthorizationHeaderIsPresent(): vo
         $this->assertSame('authorization', $response->headers->get(MakeResponsePrivateListener::DEBUG_HEADER));
     }
 
+    public function testIgnoresTheResponseWhenAnAuthorizationHeaderIsEmpty(): void
+    {
+        $response = new Response();
+        $response->setPublic();
+        $response->setMaxAge(600);
+
+        $request = new Request();
+        $request->headers->set('Authorization', '');
+
+        $event = new ResponseEvent(
+            $this->createMock(KernelInterface::class),
+            $request,
+            HttpKernelInterface::MASTER_REQUEST,
+            $response
+        );
+
+        $listener = new MakeResponsePrivateListener($this->createScopeMatcher(true));
+        $listener($event);
+
+        $this->assertTrue($response->headers->has(AbstractSessionListener::NO_AUTO_CACHE_CONTROL_HEADER));
+        $this->assertTrue($response->headers->getCacheControlDirective('public'));
+        $this->assertFalse($response->headers->has(MakeResponsePrivateListener::DEBUG_HEADER));
+    }
+
+    public function testIgnoresTheResponseWhenAnAuthorizationHeaderIsNull(): void
+    {
+        $response = new Response();
+        $response->setPublic();
+        $response->setMaxAge(600);
+
+        $request = new Request();
+        $request->headers->set('Authorization', null); // @phpstan-ignore-line
+
+        $event = new ResponseEvent(
+            $this->createMock(KernelInterface::class),
+            $request,
+            HttpKernelInterface::MASTER_REQUEST,
+            $response
+        );
+
+        $listener = new MakeResponsePrivateListener($this->createScopeMatcher(true));
+        $listener($event);
+
+        $this->assertTrue($response->headers->has(AbstractSessionListener::NO_AUTO_CACHE_CONTROL_HEADER));
+        $this->assertTrue($response->headers->getCacheControlDirective('public'));
+        $this->assertFalse($response->headers->has(MakeResponsePrivateListener::DEBUG_HEADER));
+    }
+
     public function testMakesResponsePrivateWhenTheSessionWasStarted(): void
     {
         $session = $this->createMock(SessionInterface::class);
diff --git a/core-bundle/tests/Fixtures/Functional/Routing/issue-2819.yml b/core-bundle/tests/Fixtures/Functional/Routing/issue-2819.yml
new file mode 100644
index 00000000000..ba744ea7138
--- /dev/null
+++ b/core-bundle/tests/Fixtures/Functional/Routing/issue-2819.yml
@@ -0,0 +1,274 @@
+tl_layout:
+    - id: 1
+      pid: 1
+      tstamp: 1584453722
+      name: Contao
+      rows: 1rw
+      cols: 1cl
+      modules: a:1:{i:0;a:3:{s:3:"mod";s:1:"0";s:3:"col";s:4:"main";s:6:"enable";s:1:"1";}}
+      template: fe_page
+
+tl_page:
+    - id: 1
+      pid: 0
+      sorting: 608
+      tstamp: 1608212430
+      title: Domain3
+      alias: domain3
+      urlSuffix: .html
+      type: root
+      language: de
+      dns: domain3.local
+      fallback: ''
+      includeLayout: '1'
+      layout: 1
+      published: ''
+
+    - id: 2
+      pid: 0
+      sorting: 276
+      tstamp: 1614619939
+      title: Domain1
+      alias: domain1_de
+      urlSuffix: .html
+      type: root
+      language: de
+      dns: domain1.local
+      fallback: '1'
+      includeLayout: '1'
+      layout: 1
+      published: '1'
+
+    - id: 3
+      pid: 0
+      sorting: 288
+      tstamp: 1610312264
+      title: Domain1
+      alias: domain1_fr-CH
+      urlSuffix: .html
+      type: root
+      language: fr-CH
+      dns: domain1.local
+      fallback: ''
+      includeLayout: '1'
+      layout: 1
+      published: ''
+
+    - id: 6
+      pid: 0
+      sorting: 272
+      tstamp: 1614580078
+      title: Domain7
+      alias: domain7_de
+      urlSuffix: .html
+      type: root
+      language: de
+      dns: domain7.local
+      fallback: '1'
+      includeLayout: '1'
+      layout: 1
+      published: '1'
+
+    - id: 7
+      pid: 0
+      sorting: 400
+      tstamp: 1614527080
+      title: Domain7
+      alias: domain7_fr-CH
+      urlSuffix: .html
+      type: root
+      language: fr-CH
+      dns: domain7.local
+      fallback: ''
+      includeLayout: ''
+      layout: 0
+      published: ''
+
+    - id: 22
+      pid: 1
+      sorting: 512
+      tstamp: 1608212260
+      title: Index3
+      alias: index
+      urlSuffix: .html
+      published: ''
+
+    - id: 23
+      pid: 2
+      sorting: 512
+      tstamp: 1614618691
+      title: Index1 - de
+      alias: index
+      type: regular
+      published: '1'
+
+    - id: 25
+      pid: 6
+      sorting: 512
+      tstamp: 1610742212
+      title: Index7
+      alias: index
+      type: regular
+      published: '1'
+
+    - id: 29
+      pid: 3
+      sorting: 512
+      tstamp: 1614618531
+      title: Index1 - fr-CH
+      alias: index
+      type: regular
+      published: ''
+
+    - id: 33
+      pid: 7
+      sorting: 512
+      tstamp: 1588427868
+      title: Index7
+      alias: index
+      type: regular
+      published: '1'
+
+    - id: 129
+      pid: 0
+      sorting: 736
+      tstamp: 1608212074
+      title: Domain8
+      alias: domain8
+      urlSuffix: .html
+      type: root
+      language: de
+      dns: domain8.local
+      fallback: '1'
+      includeLayout: ''
+      layout: 0
+      published: ''
+
+    - id: 137
+      pid: 0
+      sorting: 280
+      tstamp: 1610312261
+      title: Domain4
+      alias: domain4
+      urlSuffix: .html
+      type: root
+      language: de
+      dns: domain4.local
+      fallback: '1'
+      includeLayout: '1'
+      layout: 1
+      published: ''
+
+    - id: 142
+      pid: 0
+      sorting: 284
+      tstamp: 1614527086
+      title: Domain10
+      alias: domain10_de
+      urlSuffix: .html
+      type: root
+      language: de
+      dns: domain10.local
+      fallback: ''
+      includeLayout: '1'
+      layout: 1
+      published: ''
+
+    - id: 170
+      pid: 142
+      sorting: 60
+      tstamp: 1607088778
+      title: Index10
+      alias: index
+      type: regular
+      published: '1'
+
+    - id: 190
+      pid: 0
+      sorting: 128
+      tstamp: 1614527460
+      title: Domain9
+      alias: domain9
+      urlSuffix: .html
+      type: root
+      language: de
+      dns: domain9.local
+      fallback: '1'
+      includeLayout: '1'
+      layout: 1
+      published: '1'
+
+    - id: 193
+      pid: 190
+      sorting: 192
+      tstamp: 1608219830
+      title: Index9
+      alias: index
+      type: regular
+      published: '1'
+
+    - id: 249
+      pid: 0
+      sorting: 504
+      tstamp: 1614527455
+      title: Domain6
+      alias: domain6
+      urlSuffix: .html
+      type: root
+      language: de
+      dns: domain6.local
+      fallback: '1'
+      includeLayout: ''
+      layout: 0
+      published: '1'
+
+    - id: 251
+      pid: 0
+      sorting: 556
+      tstamp: 1614527454
+      title: Domain10
+      alias: domain10_de
+      urlSuffix: .html
+      type: root
+      language: de
+      dns: domain10.local
+      fallback: '1'
+      includeLayout: ''
+      layout: 0
+      published: '1'
+
+    - id: 254
+      pid: 0
+      sorting: 582
+      tstamp: 1614527452
+      title: Domain2
+      alias: domain2
+      urlSuffix: .html
+      type: root
+      language: de
+      dns: domain2.local
+      fallback: '1'
+      includeLayout: ''
+      layout: 0
+      published: '1'
+
+    - id: 257
+      pid: 0
+      sorting: 595
+      tstamp: 1614618459
+      title: Domain5
+      alias: domain5
+      urlSuffix: .html
+      type: root
+      language: de
+      dns: domain5.local
+      fallback: '1'
+      includeLayout: ''
+      layout: 0
+      published: '1'
+
+tl_theme:
+    - id: 1
+      tstamp: 1575316433
+      name: Contao
+      author: ''
diff --git a/core-bundle/tests/Functional/RoutingTest.php b/core-bundle/tests/Functional/RoutingTest.php
index c292b5b23b8..8c0ecd5588d 100644
--- a/core-bundle/tests/Functional/RoutingTest.php
+++ b/core-bundle/tests/Functional/RoutingTest.php
@@ -1279,6 +1279,35 @@ public function testCorrectPageForUnknownLanguage(): void
         $this->assertStringContainsString('Domain1', $title);
     }
 
+    /**
+     * @group legacy
+     */
+    public function testFindsFallbackPageForUnknownLanguage(): void
+    {
+        $this->expectDeprecation('Since contao/core-bundle 4.10: Using the "Contao\CoreBundle\Routing\FrontendLoader" class has been deprecated %s.');
+
+        Config::set('folderUrl', true);
+        Config::set('addLanguageToUrl', true);
+
+        $request = '/de/';
+
+        $_SERVER['REQUEST_URI'] = $request;
+        $_SERVER['HTTP_HOST'] = 'domain1.local';
+        $_SERVER['HTTP_ACCEPT_LANGUAGE'] = 'af';
+
+        $client = $this->createClient(['environment' => 'locale'], $_SERVER);
+        System::setContainer($client->getContainer());
+
+        $this->loadFixtureFiles(['issue-2819']);
+
+        $crawler = $client->request('GET', $request);
+        $title = trim($crawler->filterXPath('//head/title')->text());
+        $response = $client->getResponse();
+
+        $this->assertSame(200, $response->getStatusCode());
+        $this->assertStringContainsString('Domain1', $title);
+    }
+
     private function loadFixtureFiles(array $fileNames): void
     {
         // Do not reload the fixtures if they have not changed
diff --git a/core-bundle/tests/Search/DocumentTest.php b/core-bundle/tests/Search/DocumentTest.php
index 08d2b10c222..74a505504ac 100644
--- a/core-bundle/tests/Search/DocumentTest.php
+++ b/core-bundle/tests/Search/DocumentTest.php
@@ -38,7 +38,7 @@ public function testCreatesADocumentFromRequestAndResponse(): void
     /**
      * @dataProvider documentProvider
      */
-    public function testExtractsTheJsdonLdScript(string $body, array $expectedJsonLds): void
+    public function testExtractsTheJsdonLdScript(string $body, array $expectedJsonLds, string $context = 'https://contao.org/'): void
     {
         $document = new Document(
             new Uri('https://example.com'),
@@ -50,7 +50,7 @@ public function testExtractsTheJsdonLdScript(string $body, array $expectedJsonLd
         $this->assertSame('https://example.com', (string) $document->getUri());
         $this->assertSame(200, $document->getStatusCode());
         $this->assertSame(['content-type' => ['text/html']], $document->getHeaders());
-        $this->assertSame($expectedJsonLds, $document->extractJsonLdScripts('https://contao.org/'));
+        $this->assertSame($expectedJsonLds, $document->extractJsonLdScripts($context));
     }
 
     public function documentProvider(): \Generator
@@ -113,6 +113,36 @@ public function documentProvider(): \Generator
                 ],
             ],
         ];
+
+        yield 'Test with context without trailing slash' => [
+            '<html><body><script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"WebPage","name":"Foobar"}</script></body></html>',
+            [
+                [
+                    '@type' => 'WebPage',
+                    'name' => 'Foobar',
+                ],
+            ],
+            'https://schema.org',
+        ];
+
+        yield 'Test with no context filter provided' => [
+            '<html><body><script type="application/ld+json">{"@context":{"contao":"https:\/\/schema.contao.org\/"},"@type":"contao:Page","contao:title":"Welcome to the official Contao Demo Site","contao:pageId":2,"contao:noSearch":false,"contao:protected":false,"contao:groups":[],"contao:fePreview":false}</script></body></html>',
+            [
+                [
+                    '@context' => [
+                        'contao' => 'https://schema.contao.org/',
+                    ],
+                    '@type' => 'https://schema.contao.org/Page',
+                    'https://schema.contao.org/title' => 'Welcome to the official Contao Demo Site',
+                    'https://schema.contao.org/pageId' => 2,
+                    'https://schema.contao.org/noSearch' => false,
+                    'https://schema.contao.org/protected' => false,
+                    'https://schema.contao.org/groups' => [],
+                    'https://schema.contao.org/fePreview' => false,
+                ],
+            ],
+            '',
+        ];
     }
 
     public function testDoesNotExtractTheJsdonLdScriptIfTheContextOrTypeDoesNotMatch(): void
diff --git a/faq-bundle/src/Resources/contao/modules/ModuleFaqPage.php b/faq-bundle/src/Resources/contao/modules/ModuleFaqPage.php
index 9dd6b439be8..1748ea9c9ea 100644
--- a/faq-bundle/src/Resources/contao/modules/ModuleFaqPage.php
+++ b/faq-bundle/src/Resources/contao/modules/ModuleFaqPage.php
@@ -109,7 +109,7 @@ protected function compile()
 					->setSize($objFaq->size)
 					->setMetadata($objFaq->getOverwriteMetadata())
 					->setLightboxGroupIdentifier('lightbox[' . substr(md5('mod_faqpage_' . $objFaq->id), 0, 6) . ']')
-					->enableLightbox($objFaq->fullsize)
+					->enableLightbox((bool) $objFaq->fullsize)
 					->build()
 					->applyLegacyTemplateData($objTemp, $objFaq->imagemargin, $objFaq->floating);
 			}
diff --git a/faq-bundle/src/Resources/contao/modules/ModuleFaqReader.php b/faq-bundle/src/Resources/contao/modules/ModuleFaqReader.php
index 53c3560b53d..0c60d905faa 100644
--- a/faq-bundle/src/Resources/contao/modules/ModuleFaqReader.php
+++ b/faq-bundle/src/Resources/contao/modules/ModuleFaqReader.php
@@ -149,7 +149,7 @@ protected function compile()
 			$figureBuilder
 				->setSize($objFaq->size)
 				->setMetadata($objFaq->getOverwriteMetadata())
-				->enableLightbox($objFaq->fullsize)
+				->enableLightbox((bool) $objFaq->fullsize)
 				->build()
 				->applyLegacyTemplateData($this->Template, $objFaq->imagemargin, $objFaq->floating);
 		}
diff --git a/listing-bundle/src/Resources/contao/dca/tl_module.php b/listing-bundle/src/Resources/contao/dca/tl_module.php
index 43a5f24a8c5..28d33246158 100644
--- a/listing-bundle/src/Resources/contao/dca/tl_module.php
+++ b/listing-bundle/src/Resources/contao/dca/tl_module.php
@@ -10,6 +10,7 @@
 
 use Contao\Backend;
 use Contao\Controller;
+use Contao\System;
 
 // Add palettes to tl_module
 $GLOBALS['TL_DCA']['tl_module']['palettes']['listing'] = '{title_legend},name,headline,type;{config_legend},list_table,list_fields,list_where,list_search,list_sort,perPage,list_info,list_info_where;{template_legend:hide},list_layout,list_info_layout;{protected_legend:hide},protected;{expert_legend:hide},guests,cssID';
@@ -110,6 +111,15 @@ class tl_module_listing extends Backend
 	 */
 	public function getAllTables()
 	{
-		return $this->Database->listTables();
+		$arrTables = $this->Database->listTables();
+		$arrViews = System::getContainer()->get('database_connection')->getSchemaManager()->listViews();
+
+		if (!empty($arrViews))
+		{
+			$arrTables = array_merge($arrTables, array_keys($arrViews));
+			natsort($arrTables);
+		}
+
+		return array_values($arrTables);
 	}
 }
diff --git a/manager-bundle/src/Composer/ScriptHandler.php b/manager-bundle/src/Composer/ScriptHandler.php
index 4cfd5c87fe8..692a2e12689 100644
--- a/manager-bundle/src/Composer/ScriptHandler.php
+++ b/manager-bundle/src/Composer/ScriptHandler.php
@@ -38,7 +38,7 @@ public static function initializeApplication(Event $event): void
 
         $event->getIO()->write(
             sprintf(
-                '<warning>Please edit your root composer.json and set "%s" to "%s" instead of using "ScriptHandler::initializeApplication()".</warning>',
+                '<warning>Please edit your root composer.json and set "%s" to "@php vendor/bin/%s" instead of using "ScriptHandler::initializeApplication()".</warning>',
                 $event->getName(),
                 implode(' ', $command)
             )
diff --git a/manager-bundle/src/HttpKernel/ContaoKernel.php b/manager-bundle/src/HttpKernel/ContaoKernel.php
index 7f4f8f6ec1a..0a89d8fdf9d 100644
--- a/manager-bundle/src/HttpKernel/ContaoKernel.php
+++ b/manager-bundle/src/HttpKernel/ContaoKernel.php
@@ -91,11 +91,7 @@ public function getProjectDir(): string
      */
     public function getRootDir(): string
     {
-        if (null === $this->rootDir) {
-            $this->rootDir = Path::join($this->getProjectDir(), 'app');
-        }
-
-        return $this->rootDir;
+        return Path::join($this->getProjectDir(), 'app');
     }
 
     public function getCacheDir(): string
diff --git a/news-bundle/src/Resources/contao/modules/ModuleNews.php b/news-bundle/src/Resources/contao/modules/ModuleNews.php
index 956b3bd61eb..cbd48bb620c 100644
--- a/news-bundle/src/Resources/contao/modules/ModuleNews.php
+++ b/news-bundle/src/Resources/contao/modules/ModuleNews.php
@@ -189,7 +189,7 @@ protected function parseArticle($objArticle, $blnAddArchive=false, $strClass='',
 			$figure = $figureBuilder
 				->setSize($imgSize)
 				->setMetadata($objArticle->getOverwriteMetadata())
-				->enableLightbox($objArticle->fullsize)
+				->enableLightbox((bool) $objArticle->fullsize)
 				->build();
 
 			// Rebuild with link to news article if none is set