diff --git a/pgml-dashboard/src/components/layouts/head/mod.rs b/pgml-dashboard/src/components/layouts/head/mod.rs
index 1111815ad..76d86dac1 100644
--- a/pgml-dashboard/src/components/layouts/head/mod.rs
+++ b/pgml-dashboard/src/components/layouts/head/mod.rs
@@ -134,7 +134,7 @@ mod default_head_template_test {
 
     #[test]
     fn set_head() {
-        let mut head = Head::new()
+        let head = Head::new()
             .title("test title")
             .description("test description")
             .image("image/test_image.jpg");
diff --git a/pgml-dashboard/src/lib.rs b/pgml-dashboard/src/lib.rs
index 3bdc0ecdd..bc4933fd5 100644
--- a/pgml-dashboard/src/lib.rs
+++ b/pgml-dashboard/src/lib.rs
@@ -407,12 +407,10 @@ pub fn replace_banner_product(
 
     Notifications::update_viewed(&all_notification_cookies, cookies);
 
-    // Get the notification that triggered this call..
-    // unwrap notifications if fine since we should panic if this is missing.
-    let last_notification = context
+    let last_notification: Option<Notification> = context
         .notifications
         .as_ref()
-        .unwrap()
+        .unwrap_or(&vec![] as &Vec<Notification>)
         .clone()
         .into_iter()
         .find(|n: &Notification| -> bool { n.id == id });
@@ -562,7 +560,7 @@ mod test {
             .time_modal_viewed;
 
         // Update modal view time for existing notification cookie
-        assert_eq!(time_modal_viewed.is_some(), true);
+        assert!(time_modal_viewed.is_some());
 
         let response = client
             .get("/notifications/product/modal/remove_modal?id=3")
@@ -576,7 +574,7 @@ mod test {
             .time_modal_viewed;
 
         // Update modal view time for new notification cookie
-        assert_eq!(time_modal_viewed.is_some(), true);
+        assert!(time_modal_viewed.is_some());
     }
 
     #[sqlx::test]
@@ -623,7 +621,7 @@ mod test {
             .time_viewed;
 
         // Update view time for new notification cookie
-        assert_eq!(time_viewed.is_some(), true);
+        assert!(time_viewed.is_some());
     }
 
     #[sqlx::test]
diff --git a/pgml-dashboard/src/utils/cookies.rs b/pgml-dashboard/src/utils/cookies.rs
index 370e3d4b1..b1ea2404e 100644
--- a/pgml-dashboard/src/utils/cookies.rs
+++ b/pgml-dashboard/src/utils/cookies.rs
@@ -1,25 +1,52 @@
 use chrono;
 use rocket::http::{Cookie, CookieJar};
 use rocket::serde::{Deserialize, Serialize};
+use time::Duration;
 
+/// Session data.
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct Notifications {
+    /// App-wide notifications.
+    notifications: Vec<NotificationCookie>,
+}
+
+/// App-wide notifications.
 #[derive(Debug, Clone, Deserialize, Serialize, Default, PartialEq)]
 pub struct NotificationCookie {
+    /// Unique ID of the notification.
     pub id: String,
+    /// Time the notification was viewed. Used for reshowing the notification.
     pub time_viewed: Option<chrono::DateTime<chrono::Utc>>,
+    /// Time the notification modal was viewed. Used for reshowing the notification modal.
     pub time_modal_viewed: Option<chrono::DateTime<chrono::Utc>>,
 }
 
-pub struct Notifications {}
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct NotificationsCookieOld {
+    pub notifications: Vec<String>,
+}
+
+impl From<NotificationsCookieOld> for NotificationCookie {
+    fn from(old: NotificationsCookieOld) -> Self {
+        NotificationCookie {
+            id: old.notifications[0].clone(),
+            time_viewed: None,
+            time_modal_viewed: None,
+        }
+    }
+}
 
 impl Notifications {
-    pub fn update_viewed(all_desired_notifications: &Vec<NotificationCookie>, cookies: &CookieJar<'_>) {
-        let session = Notifications::safe_serialize_session(all_desired_notifications);
+    /// Update the viewed notifications in the session.
+    pub fn update_viewed(notifications: &[NotificationCookie], cookies: &CookieJar<'_>) {
+        let session = Notifications::safe_serialize_session(notifications);
 
         let mut cookie = Cookie::new("session", session);
-        cookie.set_max_age(::time::Duration::weeks(4));
+        cookie.set_max_age(Duration::weeks(52 * 100)); // Keep the cookie "forever"
         cookies.add_private(cookie);
     }
 
+    /// Get viewed notifications from the session.
     pub fn get_viewed(cookies: &CookieJar<'_>) -> Vec<NotificationCookie> {
         match cookies.get_private("session") {
             Some(session) => Notifications::safe_deserialize_session(session.value()),
@@ -28,40 +55,21 @@ impl Notifications {
     }
 
     pub fn safe_deserialize_session(session: &str) -> Vec<NotificationCookie> {
-        match serde_json::from_str::<serde_json::Value>(session).unwrap_or_else(|_| {
-            serde_json::from_str::<serde_json::Value>(&Notifications::safe_serialize_session(&vec![])).unwrap()
-        })["notifications"]
-            .as_array()
-        {
-            Some(items) => items
-                .into_iter()
-                .map(|notification| {
-                    serde_json::from_str::<NotificationCookie>(&notification.to_string()).unwrap_or_else(|_| {
-                        serde_json::from_str::<String>(&notification.to_string())
-                            .and_then(|id| {
-                                Ok(NotificationCookie {
-                                    id,
-                                    time_viewed: None,
-                                    time_modal_viewed: None,
-                                })
-                            })
-                            .unwrap_or_else(|_| NotificationCookie::default())
-                    })
-                })
-                .collect::<Vec<NotificationCookie>>(),
-            _ => vec![],
+        match serde_json::from_str::<Notifications>(session) {
+            Ok(notifications) => notifications.notifications,
+            Err(_) => match serde_json::from_str::<NotificationsCookieOld>(session) {
+                Ok(notifications) => vec![NotificationCookie::from(notifications)],
+                Err(_) => vec![],
+            },
         }
     }
 
-    pub fn safe_serialize_session(cookies: &Vec<NotificationCookie>) -> String {
-        let serialized = cookies
-            .iter()
-            .map(|x| serde_json::to_string(x))
-            .filter(|x| x.is_ok())
-            .map(|x| x.unwrap())
-            .collect::<Vec<String>>();
+    pub fn safe_serialize_session(notifications: &[NotificationCookie]) -> String {
+        let notifications = Notifications {
+            notifications: notifications.to_vec(),
+        };
 
-        format!(r#"{{"notifications": [{}]}}"#, serialized.join(","))
+        serde_json::to_string(&notifications).unwrap()
     }
 }
 
@@ -118,7 +126,7 @@ mod test {
             time_viewed: None,
             time_modal_viewed: None,
         }];
-        let expected = r#"{"notifications": [{"id":"1","time_viewed":null,"time_modal_viewed":null}]}"#;
+        let expected = r#"{"notifications":[{"id":"1","time_viewed":null,"time_modal_viewed":null}]}"#;
         assert_eq!(Notifications::safe_serialize_session(&cookies), expected);
     }
 }

<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'>
<html xmlns='http://www.w3.org/1999/xhtml'>
<head>
<title>pFad - Phonifier reborn</title>
<meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
</head>
<body>
<h1>Pfad - The Proxy pFad of &#169; 2024 Garber Painting. All rights reserved.</h1>


<!-- Disclaimer -->
<p>Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.</p>
<br>
<p>Alternative Proxies:</p><p><a href="http://clevelandohioweatherforecast.com/php-proxy/index.php?q=https://patch-diff.githubusercontent.com/raw/postgresml/postgresml/pull/1531.diff" target="_blank">Alternative Proxy</a></p><p><a href="http://clevelandohioweatherforecast.com/pFad/index.php?u=https://patch-diff.githubusercontent.com/raw/postgresml/postgresml/pull/1531.diff" target="_blank">pFad Proxy</a></p><p><a href="http://clevelandohioweatherforecast.com/pFad/v3index.php?u=https://patch-diff.githubusercontent.com/raw/postgresml/postgresml/pull/1531.diff" target="_blank">pFad v3 Proxy</a></p><p><a href="http://clevelandohioweatherforecast.com/pFad/v4index.php?u=https://patch-diff.githubusercontent.com/raw/postgresml/postgresml/pull/1531.diff" target="_blank">pFad v4 Proxy</a></p></body>
</html>