Index: core/kernel/application.php
===================================================================
--- core/kernel/application.php
+++ core/kernel/application.php
@@ -468,28 +468,14 @@
 	 */
 	public function VerifyLanguageId()
 	{
-		$language_id = $this->GetVar('m_lang');
-
-		if ( !$language_id ) {
-			$language_id = 'default';
-		}
-
-		$this->SetVar('lang.current_id', $language_id);
-		$this->SetVar('m_lang', $language_id);
-
-		$lang_mode = $this->GetVar('lang_mode');
-		$this->SetVar('lang_mode', '');
-
+		/** @var LanguagesItem $lang */
 		$lang = $this->recallObject('lang.current');
-		/* @var $lang kDBItem */
 
 		if ( !$lang->isLoaded() || (!$this->isAdmin && !$lang->GetDBField('Enabled')) ) {
 			if ( !defined('IS_INSTALL') ) {
 				$this->ApplicationDie('Unknown or disabled language');
 			}
 		}
-
-		$this->SetVar('lang_mode', $lang_mode);
 	}
 
 	/**
@@ -530,16 +516,8 @@
 			return $path;
 		}
 
-		$theme_id = $this->GetVar('m_theme');
-		if ( !$theme_id ) {
-			$theme_id = 'default'; // $this->GetDefaultThemeId(1); // 1 to force front-end mode!
-		}
-
-		$this->SetVar('m_theme', $theme_id);
-		$this->SetVar('theme.current_id', $theme_id); // KOSTJA: this is to fool theme' getPassedID
-
+		/** @var ThemeItem $theme */
 		$theme = $this->recallObject('theme.current');
-		/* @var $theme ThemeItem */
 
 		if ( !$theme->isLoaded() || !$theme->GetDBField('Enabled') ) {
 			return false;
Index: core/units/languages/languages_event_handler.php
===================================================================
--- core/units/languages/languages_event_handler.php
+++ core/units/languages/languages_event_handler.php
@@ -59,6 +59,23 @@
 		}
 
 		/**
+		 * Ensure, that current object is always taken from live table.
+		 *
+		 * @param kDBBase|kDBItem|kDBList $object Object.
+		 * @param kEvent                  $event  Event.
+		 *
+		 * @return void
+		 */
+		protected function dbBuild(&$object, kEvent $event)
+		{
+			if ( $event->Special == 'current' ) {
+				$event->setEventParam('live_table', true);
+			}
+
+			parent::dbBuild($object, $event);
+		}
+
+		/**
 		 * Allows to get primary language object
 		 *
 		 * @param kEvent $event
@@ -69,6 +86,16 @@
 		{
 			if ( $event->Special == 'primary' ) {
 				return $this->Application->GetDefaultLanguageId();
+			}
+			elseif ( $event->Special == 'current' ) {
+				$language_id = $this->Application->GetVar('m_lang');
+
+				if ( !$language_id ) {
+					$language_id = 'default';
+				}
+
+				$this->Application->SetVar('m_lang', $language_id);
+				$this->Application->SetVar($event->getPrefixSpecial() . '_id', $language_id);
 			}
 
 			return parent::getPassedID($event);
Index: core/units/themes/themes_eh.php
===================================================================
--- core/units/themes/themes_eh.php
+++ core/units/themes/themes_eh.php
@@ -53,6 +53,46 @@
 		}
 
 		/**
+		 * Ensure, that current object is always taken from live table.
+		 *
+		 * @param kDBBase|kDBItem|kDBList $object Object.
+		 * @param kEvent                  $event  Event.
+		 *
+		 * @return void
+		 */
+		protected function dbBuild(&$object, kEvent $event)
+		{
+			if ( $event->Special == 'current' ) {
+				$event->setEventParam('live_table', true);
+			}
+
+			parent::dbBuild($object, $event);
+		}
+
+		/**
+		 * Ensures that current theme detection will fallback to primary without extra DB query.
+		 *
+		 * @param kEvent $event Event.
+		 *
+		 * @return integer
+		 */
+		public function getPassedID(kEvent $event)
+		{
+			if ( $event->Special == 'current' ) {
+				$theme_id = $this->Application->GetVar('m_theme');
+
+				if ( !$theme_id ) {
+					$theme_id = 'default';
+				}
+
+				$this->Application->SetVar('m_theme', $theme_id);
+				$this->Application->SetVar($event->getPrefixSpecial() . '_id', $theme_id);
+			}
+
+			return parent::getPassedID($event);
+		}
+
+		/**
 		 * Allows to set selected theme as primary
 		 *
 		 * @param kEvent $event