src/features/base/mixins.html

@@ -20,13 +20,14 @@
 
       _bootMixins: function() {
         if (this.mixins) {
+          var host = this;
           this.mixins.forEach(function(m) {
             if (typeof m === 'string') {
               using(m, function(m) {
-                Base.extend(this, m);
+                Base.extend(host, m);
               });
             } else {
-              Base.extend(this, m);
+              Base.extend(host, m);
             }
           });
         }

src/features/standard/bind.html

@@ -60,6 +60,7 @@
       _bootBind: function() {
         Bind.prepareModel(this);
         this._addPropertyBindEffects(this.bind);
+        this._defineComputedProperties(this.computed);
       },
 
       _bootBindEffects: function() {
@@ -92,6 +93,14 @@
         this.addPropertyEffect(property, 'method', effect);
       },
 
+      _defineComputedProperties: function(computed) {
+        if (computed) {
+          for (var n in computed) {
+            Bind.addComputedPropertyEffect(this, n, computed[n]);
+          }
+        }
+      },
+
       // instancing
 
       _setupInstanceBindings: function() {