release: v12.3.1

appengine/app.yaml

@@ -70,6 +70,8 @@ handlers:
 # Blockly files.
 - url: /static
   static_dir: static
+  http_headers:
+    Access-Control-Allow-Origin: "*"
   secure: always
 
 # Storage API.

core/gesture.ts

@@ -467,6 +467,15 @@ export class Gesture {
         /* opt_noCaptureIdentifier */ true,
       ),
     );
+    this.boundEvents.push(
+      browserEvents.conditionalBind(
+        document,
+        'pointercancel',
+        null,
+        this.handleUp.bind(this),
+        /* opt_noCaptureIdentifier */ true,
+      ),
+    );
 
     e.preventDefault();
     e.stopPropagation();

core/touch.ts

@@ -46,7 +46,6 @@ export const TOUCH_MAP: {[key: string]: string[]} = {
   'mouseup': ['pointerup', 'pointercancel'],
   'touchend': ['pointerup'],
   'touchcancel': ['pointercancel'],
-  'pointerup': ['pointerup', 'pointercancel'],
 };
 
 /** PID of queued long-press task. */

core/variable_map.ts

@@ -112,7 +112,11 @@ export class VariableMap
     const oldType = variable.getType();
     if (oldType === newType) return variable;
 
-    this.variableMap.get(variable.getType())?.delete(variable.getId());
+    const oldTypeVariables = this.variableMap.get(oldType);
+    oldTypeVariables?.delete(variable.getId());
+    if (oldTypeVariables?.size === 0) {
+      this.variableMap.delete(oldType);
+    }
     variable.setType(newType);
     const newTypeVariables =
       this.variableMap.get(newType) ??