diff --git a/Jellyfin.Plugin.MediaBarEnhanced/Jellyfin.Plugin.MediaBarEnhanced.csproj b/Jellyfin.Plugin.MediaBarEnhanced/Jellyfin.Plugin.MediaBarEnhanced.csproj
index 8ff4a42..6aa07ee 100644
--- a/Jellyfin.Plugin.MediaBarEnhanced/Jellyfin.Plugin.MediaBarEnhanced.csproj
+++ b/Jellyfin.Plugin.MediaBarEnhanced/Jellyfin.Plugin.MediaBarEnhanced.csproj
@@ -12,7 +12,7 @@
     <!-- <TreatWarningsAsErrors>false</TreatWarningsAsErrors> -->
     <Title>Jellyfin Media Bar Enhanced Plugin</Title>
     <Authors>CodeDevMLH</Authors>
-    <Version>1.4.0.12</Version>
+    <Version>1.5.0.0</Version>
     <RepositoryUrl>https://github.com/CodeDevMLH/jellyfin-plugin-media-bar-enhanced</RepositoryUrl>
   </PropertyGroup>
 
diff --git a/Jellyfin.Plugin.MediaBarEnhanced/Web/mediaBarEnhanced.js b/Jellyfin.Plugin.MediaBarEnhanced/Web/mediaBarEnhanced.js
index b3f8410..310aa30 100644
--- a/Jellyfin.Plugin.MediaBarEnhanced/Web/mediaBarEnhanced.js
+++ b/Jellyfin.Plugin.MediaBarEnhanced/Web/mediaBarEnhanced.js
@@ -1,5 +1,5 @@
 /*
- * Jellyfin Slideshow by M0RPH3US v3.0.9
+ * Jellyfin Slideshow by M0RPH3US v4.0.1
  * Modified by CodeDevMLH v1.1.0.0
  * 
  * New features:
@@ -81,6 +81,7 @@ const STATE = {
     sponsorBlockInterval: null,
     isMuted: CONFIG.startMuted,
     customTrailerUrls: {},
+    ytPromise: null,
   },
 };
 
@@ -582,23 +583,25 @@ const SlideUtils = {
    * @returns {Promise<void>}
    */
   loadYouTubeIframeAPI() {
-    return new Promise((resolve) => {
+    if (STATE.slideshow.ytPromise) return STATE.slideshow.ytPromise;
+
+    STATE.slideshow.ytPromise = new Promise((resolve) => {
       if (window.YT && window.YT.Player) {
-        resolve();
+        resolve(window.YT);
         return;
       }
 
-      const tag = document.createElement('script');
-      tag.src = "https://www.youtube.com/iframe_api";
-      const firstScriptTag = document.getElementsByTagName('script')[0];
-      firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
-
-      const previousOnYouTubeIframeAPIReady = window.onYouTubeIframeAPIReady;
-      window.onYouTubeIframeAPIReady = () => {
-        if (previousOnYouTubeIframeAPIReady) previousOnYouTubeIframeAPIReady();
-        resolve();
-      };
+      window.onYouTubeIframeAPIReady = () => resolve(window.YT);
+      
+      if (!document.querySelector('script[src*="youtube.com/iframe_api"]')) {
+        const tag = document.createElement('script');
+        tag.src = "https://www.youtube.com/iframe_api";
+        const firstScriptTag = document.getElementsByTagName('script')[0];
+        firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
+      }
     });
+    
+    return STATE.slideshow.ytPromise;
   },
 
   /**
@@ -3109,6 +3112,84 @@ const MediaBarEnhancedSettingsManager = {
   }
 };
 
+/**
+ * Initialize page visibility handling to pause when tab is inactive
+ */
+const initPageVisibilityHandler = () => {
+  let wasVideoPlayingBeforeHide = false;
+
+  document.addEventListener("visibilitychange", () => {
+    if (document.hidden) {
+      console.log("Tab inactive - pausing slideshow and videos");
+      wasVideoPlayingBeforeHide = STATE.slideshow.isVideoPlaying;
+      
+      if (STATE.slideshow.slideInterval) {
+        STATE.slideshow.slideInterval.stop();
+      }
+      
+      // Pause active video if playing
+      const currentItemId = STATE.slideshow.itemIds[STATE.slideshow.currentSlideIndex];
+      if (currentItemId) {
+        // YouTube
+        if (STATE.slideshow.videoPlayers && STATE.slideshow.videoPlayers[currentItemId]) {
+          const player = STATE.slideshow.videoPlayers[currentItemId];
+          if (typeof player.pauseVideo === "function") {
+            try {
+              player.pauseVideo();
+              STATE.slideshow.isVideoPlaying = false;
+            } catch (e) {
+              console.warn("Error pausing video on tab hide:", e);
+            }
+          } else if (player.tagName === 'VIDEO') { // HTML5 Video
+             player.pause();
+             STATE.slideshow.isVideoPlaying = false;
+          }
+        }
+      }
+    } else {
+      console.log("Tab active - resuming slideshow");
+      if (!STATE.slideshow.isPaused) {
+        const currentItemId = STATE.slideshow.itemIds[STATE.slideshow.currentSlideIndex];
+        
+        if (wasVideoPlayingBeforeHide && currentItemId && STATE.slideshow.videoPlayers && STATE.slideshow.videoPlayers[currentItemId]) {
+          const player = STATE.slideshow.videoPlayers[currentItemId];
+          
+          // YouTube
+          if (typeof player.playVideo === "function") {
+            try {
+              player.playVideo();
+              STATE.slideshow.isVideoPlaying = true;
+            } catch (e) {
+              console.warn("Error resuming video on tab show:", e);
+              if (STATE.slideshow.slideInterval) {
+                STATE.slideshow.slideInterval.start();
+              }
+            }
+          } else if (player.tagName === 'VIDEO') { // HTML5 Video
+             try {
+                player.play().catch(e => console.warn("Error resuming HTML5 video:", e));
+                STATE.slideshow.isVideoPlaying = true;
+             } catch(e) { console.warn(e); }
+          }
+        } else {
+          // No video was playing, just restart interval
+          const activeSlide = document.querySelector('.slide.active');
+          const hasVideo = activeSlide && activeSlide.querySelector('.video-backdrop');
+          
+          if (CONFIG.waitForTrailerToEnd && hasVideo) {
+             // Don't restart interval if waiting for trailer
+          } else {
+             if (STATE.slideshow.slideInterval) {
+               STATE.slideshow.slideInterval.start();
+             }
+          }
+        }
+        wasVideoPlayingBeforeHide = false;
+      }
+    }
+  });
+};
+
 /**
  * Initialize the slideshow
  */
@@ -3222,6 +3303,8 @@ const slidesInit = async () => {
 
     SlideshowManager.initKeyboardEvents();
 
+    initPageVisibilityHandler();
+
     VisibilityObserver.init();
 
     console.log("✅ Enhanced Jellyfin Slideshow initialized successfully");
diff --git a/manifest.json b/manifest.json
index 44dc1aa..a288372 100644
--- a/manifest.json
+++ b/manifest.json
@@ -9,10 +9,10 @@
     "imageUrl": "https://git.mahom03-spacecloud.de/CodeDevMLH/jellyfin-plugin-media-bar-enhanced/raw/branch/main/logo.png",
     "versions": [
       {
-        "version": "1.4.0.12",
-        "changelog": "- feat: Add client-side settings feature for selected media bar settings",
+        "version": "1.5.0.0",
+        "changelog": "- Update mediaBarEnhanced.js and mediaBarEnhanced.css with version 3.0.9 from original repo",
         "targetAbi": "10.11.0.0",
-        "sourceUrl": "https://git.mahom03-spacecloud.de/CodeDevMLH/jellyfin-plugin-media-bar-enhanced/releases/download/v1.4.0.12/Jellyfin.Plugin.MediaBarEnhanced.zip",
+        "sourceUrl": "https://git.mahom03-spacecloud.de/CodeDevMLH/jellyfin-plugin-media-bar-enhanced/releases/download/v1.5.0.0/Jellyfin.Plugin.MediaBarEnhanced.zip",
         "checksum": "26edee51b52dcee4ecf388aa376f3869",
         "timestamp": "2026-02-04T18:07:40Z"
       },