diff --git a/_data/product_version.yml b/_data/product_version.yml
index 8ac2212..e8ab698 100644
--- a/_data/product_version.yml
+++ b/_data/product_version.yml
@@ -4,6 +4,8 @@ version_info_list:
   - value: latest version
   - value: 2.x
     child:
+      - 2.0.21
+      - 2.0.20
       - 2.0.11
       - 2.0.10
       - 2.0.0
diff --git a/assets/js/ddnCoreVersionSearch.json b/assets/js/ddnCoreVersionSearch.json
index 66b0e29..e21e488 100644
--- a/assets/js/ddnCoreVersionSearch.json
+++ b/assets/js/ddnCoreVersionSearch.json
@@ -25,6 +25,32 @@
             ]
         }
     },
+    {
+        "version": "2.0.21",
+        "matchList": {
+            "dcvRepoCore": [
+                {
+                    "path": "/parameters/reference/capture-vision-template",
+                    "version": "2.0.20"
+                },{
+                    "path": "/parameters/reference/target-roi-def",
+                    "version": "2.0.20"
+                },{
+                    "path": "/parameters/reference/document-normalizer-task-settings",
+                    "version": "2.0.20"
+                },{
+                    "path": "/parameters/reference/image-parameter",
+                    "version": "2.0.20"
+                },{
+                    "path": "/parameters/reference/image-source-options",
+                    "version": "3.0.20"
+                },{
+                    "path": "/parameters/reference/global-parameter",
+                    "version": "2.0.20"
+                }
+            ]
+        }
+    },
     {
         "version": "2.0.20",
         "matchList": {
diff --git a/release-notes/index.md b/release-notes/index.md
index 81de9a8..be4b1e7 100644
--- a/release-notes/index.md
+++ b/release-notes/index.md
@@ -31,6 +31,7 @@ needGenerateH3Content: false
 
 | Versions | Available Editions |
 | -------- | ------------------ |
+| 2.0.21   | <a target="_blank" href="{{ site.js_release_notes}}javascript-2.html#2021-01192024" class="otherLinkColour refreshLink">JavaScript</a> |
 | 2.0.20   | <a target="_blank" href="{{ site.cpp_release_notes}}cpp-2.html#2020-10262023" class="otherLinkColour refreshLink">C++</a> / <a target="_blank" href="{{ site.android_release_notes}}android-2.html#2020-12122023" class="otherLinkColour refreshLink">Android</a> / <a target="_blank" href="{{ site.ios_release_notes}}ios-2.html#2020-12122023" class="otherLinkColour refreshLink">iOS</a> / <a target="_blank" href="{{ site.js_release_notes}}javascript-2.html#2020-01112024" class="otherLinkColour refreshLink">JavaScript</a> |
 | 2.0.11   | <a target="_blank" href="{{ site.js_release_notes}}javascript-2.html#2011-08242023" class="otherLinkColour refreshLink">JavaScript</a> |
 | 2.0.10   | <a target="_blank" href="{{ site.cpp_release_notes}}cpp-2.html#2010-08082023" class="otherLinkColour refreshLink">C++</a> / <a target="_blank" href="{{ site.android_release_notes}}android-2.html#2010-08102023" class="otherLinkColour refreshLink">Android</a> / <a target="_blank" href="{{ site.ios_release_notes}}ios-2.html#2010-08102023" class="otherLinkColour refreshLink">iOS</a>|