diff --git a/assets/app/schema.json b/assets/app/schema.json
index 8912427c..0086062d 100755
--- a/assets/app/schema.json
+++ b/assets/app/schema.json
@@ -1453,6 +1453,9 @@
             "height": {
               "type": ["number", "string"]
             },
+            "transparent": {
+              "type": "boolean"
+            },
             "settings": {
               "type": "array"
             },
diff --git a/lib/App/index.js b/lib/App/index.js
index 83b44956..bccad239 100644
--- a/lib/App/index.js
+++ b/lib/App/index.js
@@ -165,12 +165,16 @@ class App {
       }
 
       for (const [widgetId, widget] of Object.entries(appJson.widgets)) {
-        if (widget.deprecated != null && semver.lt(semver.coerce(appJson.compatibility), '12.3.0')) {
-          throw new Error(`App widgets deprecated property require a compatibility of at least >=12.3.0. (${this._path})`);
+        if (widget.transparent !== undefined && semver.lt(semver.coerce(appJson.compatibility), '12.3.0')) {
+          throw new Error(`App widgets transparent property requires a compatibility of at least >=12.3.0. (${this._path})`);
         }
 
-        if (widget.devices != null && semver.lt(semver.coerce(appJson.compatibility), '12.3.0')) {
-          throw new Error(`App widgets devices property require a compatibility of at least >=12.3.0. (${this._path})`);
+        if (widget.deprecated !== undefined && semver.lt(semver.coerce(appJson.compatibility), '12.3.0')) {
+          throw new Error(`App widgets deprecated property requires a compatibility of at least >=12.3.0. (${this._path})`);
+        }
+
+        if (widget.devices !== undefined && semver.lt(semver.coerce(appJson.compatibility), '12.3.0')) {
+          throw new Error(`App widgets devices property requires a compatibility of at least >=12.3.0. (${this._path})`);
         }
 
         // if widget.devices && widget.devices.type === 'global'