diff --git a/docs/owl.js b/docs/owl.js
index 6f01a4f31..60f496b91 100644
--- a/docs/owl.js
+++ b/docs/owl.js
@@ -2177,7 +2177,7 @@ function delegateAndNotify(setterName, getterName, target) {
         if (hadKey !== hasKey) {
             notifyReactives(target, KEYCHANGES);
         }
-        if (originalValue !== value) {
+        if (originalValue !== target[getterName](key)) {
             notifyReactives(target, key);
         }
         return ret;
@@ -2998,15 +2998,13 @@ function prepareList(collection) {
         keys = [...collection.keys()];
         values = [...collection.values()];
     }
+    else if (Symbol.iterator in Object(collection)) {
+        keys = [...collection];
+        values = keys;
+    }
     else if (collection && typeof collection === "object") {
-        if (Symbol.iterator in collection) {
-            keys = [...collection];
-            values = keys;
-        }
-        else {
-            values = Object.values(collection);
-            keys = Object.keys(collection);
-        }
+        values = Object.values(collection);
+        keys = Object.keys(collection);
     }
     else {
         throw new OwlError(`Invalid loop expression: "${collection}" is not iterable`);
@@ -3207,6 +3205,10 @@ class TemplateSet {
     }
     addTemplate(name, template) {
         if (name in this.rawTemplates) {
+            // this check can be expensive, just silently ignore double definitions outside dev mode
+            if (!this.dev) {
+                return;
+            }
             const rawTemplate = this.rawTemplates[name];
             const currentAsString = typeof rawTemplate === "string"
                 ? rawTemplate
@@ -5553,7 +5555,7 @@ function compile(template, options = {}) {
 }
 
 // do not modify manually. This file is generated by the release script.
-const version = "2.2.5";
+const version = "2.2.6";
 
 // -----------------------------------------------------------------------------
 //  Scheduler
@@ -5642,13 +5644,8 @@ const DEV_MSG = () => {
 This is not suitable for production use.
 See https://github.com/odoo/owl/blob/${hash}/doc/reference/app.md#configuration for more information.`;
 };
-window.__OWL_DEVTOOLS__ || (window.__OWL_DEVTOOLS__ = {
-    apps: new Set(),
-    Fiber: Fiber,
-    RootFiber: RootFiber,
-    toRaw: toRaw,
-    reactive: reactive,
-});
+const apps = new Set();
+window.__OWL_DEVTOOLS__ || (window.__OWL_DEVTOOLS__ = { apps, Fiber, RootFiber, toRaw, reactive });
 class App extends TemplateSet {
     constructor(Root, config = {}) {
         super(config);
@@ -5656,7 +5653,7 @@ class App extends TemplateSet {
         this.root = null;
         this.name = config.name || "";
         this.Root = Root;
-        window.__OWL_DEVTOOLS__.apps.add(this);
+        apps.add(this);
         if (config.test) {
             this.dev = true;
         }
@@ -5713,7 +5710,7 @@ class App extends TemplateSet {
             this.root.destroy();
             this.scheduler.processTasks();
         }
-        window.__OWL_DEVTOOLS__.apps.delete(this);
+        apps.delete(this);
     }
     createComponent(name, isStatic, hasSlotsProp, hasDynamicPropList, propList) {
         const isDynamic = !isStatic;
@@ -5788,6 +5785,7 @@ class App extends TemplateSet {
     }
 }
 App.validateTarget = validateTarget;
+App.apps = apps;
 App.version = version;
 async function mount(C, target, config = {}) {
     return new App(C, config).mount(target, config);
@@ -5986,6 +5984,6 @@ TemplateSet.prototype._compileTemplate = function _compileTemplate(name, templat
 export { App, Component, EventBus, OwlError, __info__, blockDom, loadFile, markRaw, markup, mount, onError, onMounted, onPatched, onRendered, onWillDestroy, onWillPatch, onWillRender, onWillStart, onWillUnmount, onWillUpdateProps, reactive, status, toRaw, useChildSubEnv, useComponent, useEffect, useEnv, useExternalListener, useRef, useState, useSubEnv, validate, validateType, whenReady, xml };
 
 
-__info__.date = '2023-08-07T10:26:30.557Z';
-__info__.hash = 'b25e988';
+__info__.date = '2023-09-25T11:48:01.531Z';
+__info__.hash = '752160f';
 __info__.url = 'https://github.com/odoo/owl';
diff --git a/package-lock.json b/package-lock.json
index 6bf2eea23..473baee76 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@odoo/owl",
-  "version": "2.2.5",
+  "version": "2.2.6",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 50d0a0e35..135fca281 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@odoo/owl",
-  "version": "2.2.5",
+  "version": "2.2.6",
   "description": "Odoo Web Library (OWL)",
   "main": "dist/owl.cjs.js",
   "module": "dist/owl.es.js",
diff --git a/src/version.ts b/src/version.ts
index c84844ea5..d12bf1e1f 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1,2 +1,2 @@
 // do not modify manually. This file is generated by the release script.
-export const version = "2.2.5";
+export const version = "2.2.6";