I think this is it :)

src/dashboard.py

@@ -12,6 +12,7 @@ import secrets
 import subprocess
 import time
 import re
+import urllib.error
 import uuid
 from datetime import datetime, timedelta
 from typing import Any
@@ -2003,6 +2004,24 @@ def API_traceroute_execute():
     else:
         return ResponseObject(False, "Please provide ipAddress")
 
+@app.route(f'{APP_PREFIX}/api/getDashboardUpdate')
+def API_getDashboardUpdate():
+    import urllib.request as req;
+    
+    try:
+        r = req.urlopen("https://api.github.com/repos/donaldzou/WGDashboard/releases/latest", timeout=5).read()
+        data = dict(json.loads(r))
+        tagName = data.get('tag_name')
+        htmlUrl = data.get('html_url')
+        if tagName is not None and htmlUrl is not None:
+            if tagName != DASHBOARD_VERSION:
+                return ResponseObject(message=f"{tagName} is now avaible for update!", data=htmlUrl)
+            else:
+                return ResponseObject(message="You're on the latest version")
+        return ResponseObject(False)
+        
+    except urllib.error.HTTPError as e:
+        return ResponseObject(False, f"Request to GitHub API failed. Returned a {e.code} status.")
 
 '''
 Sign Up
@@ -2111,7 +2130,6 @@ _, app_port = DashboardConfig.GetConfig("Server", "app_port")
 _, WG_CONF_PATH = DashboardConfig.GetConfig("Server", "wg_conf_path")
 
 
-
 WireguardConfigurations: dict[str, WireguardConfiguration] = {}
 WireguardConfigurations = _getConfigurationList()
 

src/static/app/src/components/navbar.vue

@@ -2,6 +2,7 @@
 import {wgdashboardStore} from "@/stores/wgdashboardStore.js";
 import {WireguardConfigurationsStore} from "@/stores/WireguardConfigurationsStore.js";
 import {DashboardConfigurationStore} from "@/stores/DashboardConfigurationStore.js";
+import {fetchGet} from "@/utilities/fetch.js";
 
 export default {
 	name: "navbar",
@@ -9,6 +10,27 @@ export default {
 		const wireguardConfigurationsStore = WireguardConfigurationsStore();
 		const dashboardConfigurationStore = DashboardConfigurationStore();
 		return {wireguardConfigurationsStore, dashboardConfigurationStore}
+	},
+	data(){
+		return {
+			updateAvailable: false,
+			updateMessage: "Checking for update...",
+			updateUrl: ""
+		}
+	},
+	mounted() {
+		fetchGet("/api/getDashboardUpdate", {}, (res) => {
+			if (res.status){
+				if (res.data){
+					this.updateAvailable = true
+					this.updateUrl = res.data
+				}
+				this.updateMessage = res.message
+			}else{
+				this.updateMessage = "Failed to check available update"
+				console.log(`Failed to get update: ${res.message}`)
+			}
+		})
 	}
 }
 </script>
@@ -65,11 +87,20 @@ export default {
 					                        @click="this.dashboardConfigurationStore.signOut()" 
 					                        role="button" style="font-weight: bold">
 						<i class="bi bi-box-arrow-left me-2"></i>
-						Sign Out</a></li>
-				</ul>
-				<ul class="nav flex-column">
-					<li class="nav-item"><a href="https://github.com/donaldzou/WGDashboard/releases/tag/"><small class="nav-link text-muted"></small></a></li>
+						Sign Out</a>
+					</li>
+					<li class="nav-item" style="font-size: 0.8rem">
+						<a :href="this.updateUrl" v-if="this.updateAvailable" class="text-decoration-none" target="_blank">
+							<small class="nav-link text-muted rounded-3" >
+								{{ this.updateMessage }}
+							</small>
+						</a>
+						<small class="nav-link text-muted" v-else>
+							{{ this.updateMessage }}
+						</small>
+					</li>
 				</ul>
+				
 			</div>
 		</nav>
 	</div>