Release offline installer with ESP-IDF v5.5.1

Author: jakub-kocka

src/Resources/download/index.html

@@ -215,13 +215,25 @@ <h2 class="text-center">Open Source IoT Development Framework for ESP32</h2>
                 </form>
             </div>
 
-            <div class="download-button">
+		
+	        <div class="download-button">
+                <form method="get" action="https://dl.espressif.com/dl/idf-installer/esp-idf-tools-setup-offline-5.5.1.exe">
+                    <button class="button-offline">
+                        <i class="fa fa-download" aria-hidden="true"></i>
+                        <div>ESP-IDF v5.5.1 - Offline Installer</div>
+                        <div>Windows 10, 11</div>
+                        <div>Size: 1.56 GB</div>
+                    </button>
+                </form>
+            </div>
+		
+	        <div class="download-button">
                 <form method="get" action="https://dl.espressif.com/dl/idf-installer/esp-idf-tools-setup-offline-5.5.exe">
                     <button class="button-offline">
                         <i class="fa fa-download" aria-hidden="true"></i>
                         <div>ESP-IDF v5.5 - Offline Installer</div>
                         <div>Windows 10, 11</div>
-                        <div>Size: 1.51 GB</div>
+                        <div>Size: 1.56 GB</div>
                     </button>
                 </form>
             </div>
@@ -259,16 +271,6 @@ <h2 class="text-center">Open Source IoT Development Framework for ESP32</h2>
                 </form>
             </div>
 
-	        <div class="download-button">
-                <form method="get" action="https://dl.espressif.com/dl/idf-installer/esp-idf-tools-setup-offline-5.1.6.exe">
-                    <button class="button-offline">
-                        <i class="fa fa-download" aria-hidden="true"></i>
-                        <div>ESP-IDF v5.1.6 - Offline Installer</div>
-                        <div>Windows 10, 11</div>
-                        <div>Size: 1.47 GB</div>
-                    </button>
-                </form>
-            </div>
 
         </div>
         <div class="instructions">

src/Resources/download/releases.json

@@ -1,4 +1,10 @@
 [
+    {
+        "version": "5.5.1",
+        "type": "offline",
+        "date": "2025-10-01",
+        "size": "1.56 GB"
+    },
     {
         "version": "5.5",
         "type": "offline",