diff --git a/frontend/public/index.html b/frontend/public/index.html
index 655651e..1312d4a 100644
--- a/frontend/public/index.html
+++ b/frontend/public/index.html
@@ -20,7 +20,6 @@
     <link rel="preconnect" href="https://fonts.gstatic.com">
     <link href="https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;500;600;700&display=swap" rel="stylesheet">
     <script src="https://kit.fontawesome.com/fc1a4a5a71.js" crossorigin="anonymous"></script>
-    <link rel="stylesheet" href="@sweetalert2/theme-material-ui/material-ui.css">
     <link href="https://fonts.googleapis.com/css2?family=Raleway:wght@100&display=swap" rel="stylesheet">
     <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
 
@@ -28,7 +27,6 @@
   </head>
   <body>
     <noscript>You need to enable JavaScript to run this app.</noscript>
-    <script src="sweetalert2/dist/sweetalert2.min.js"></script>
     <script src="%PUBLIC_URL%/env-config.js"></script>
     <div id="root"></div>
   </body>
diff --git a/frontend/src/App.js b/frontend/src/App.js
index 56c24db..93a2c0a 100644
--- a/frontend/src/App.js
+++ b/frontend/src/App.js
@@ -55,7 +55,7 @@ function App() {
   return (
     <ErrorBoundary>
       <AdminSessionProvider>
-        <Router>
+        <Router future={{ v7_startTransition: true, v7_relativeSplatPath: true }}>
           <Suspense fallback={<LoadingFallback />}>
             <Routes>
               {/* Public Routes - immer verfügbar */}
diff --git a/frontend/src/Components/ComponentUtils/Headers/Navbar.js b/frontend/src/Components/ComponentUtils/Headers/Navbar.js
index 2063628..9f63a25 100644
--- a/frontend/src/Components/ComponentUtils/Headers/Navbar.js
+++ b/frontend/src/Components/ComponentUtils/Headers/Navbar.js
@@ -22,7 +22,7 @@ function Navbar() {
         <>
             <header>
                 <div className="logo">
-                    <NavLink className="logo" exact to="/">
+                    <NavLink className="logo" to="/">
                         <img src={logo} className="imageNav" alt="Logo" />
                         <p className="logo">Upload your Project Images</p>
                     </NavLink>
@@ -31,7 +31,7 @@ function Navbar() {
                     <ul className="nav__links">
                         <li><NavLink to="/groups" activeClassName="active">Groups</NavLink></li>
                         <li><NavLink to="/moderation" activeClassName="active"><LockIcon style={{ fontSize: 18, verticalAlign: 'text-bottom', marginRight: 6 }} aria-hidden="true" />Moderation</NavLink></li>
-                        <li><NavLink className="cta" exact to="/" activeClassName="active">Upload</NavLink></li>
+                        <li><NavLink className={({ isActive }) => isActive ? 'cta active' : 'cta'} to="/">Upload</NavLink></li>
                         {isManagementPage && (
                             <li><NavLink className="cta" to={location.pathname} activeClassName="active">Mein Upload</NavLink></li>
                         )}
@@ -62,7 +62,7 @@ function Navbar() {
                     <NavLink to="/moderation" activeClassName="active" onClick={closeMenu}>
                         <LockIcon style={{ fontSize: 24, verticalAlign: 'text-bottom', marginRight: 12 }} aria-hidden="true" />Moderation
                     </NavLink>
-                    <NavLink exact to="/" activeClassName="active" onClick={closeMenu}>Upload</NavLink>
+                    <NavLink to="/" className={({ isActive }) => isActive ? 'active' : undefined} onClick={closeMenu}>Upload</NavLink>
                     {isManagementPage && (
                         <NavLink to={location.pathname} activeClassName="active" onClick={closeMenu}>Mein Upload</NavLink>
                     )}
diff --git a/frontend/src/Components/ComponentUtils/Headers/NavbarUpload.js b/frontend/src/Components/ComponentUtils/Headers/NavbarUpload.js
index b6966a9..18cfb6d 100644
--- a/frontend/src/Components/ComponentUtils/Headers/NavbarUpload.js
+++ b/frontend/src/Components/ComponentUtils/Headers/NavbarUpload.js
@@ -20,7 +20,7 @@ function Navbar() {
         <>
             <header>
                 <div className="logo">
-                    <NavLink className="logo" exact to="/">
+                    <NavLink className="logo" to="/">
                         <img src={logo} className="imageNav" alt="Logo" />
                         <p className="logo">Upload your Project Images</p>
                     </NavLink>
