diff --git a/addons/web/static/lib/owl/owl.js b/addons/web/static/lib/owl/owl.js
index 9efcc66f3b6..2b94a9bf142 100644
--- a/addons/web/static/lib/owl/owl.js
+++ b/addons/web/static/lib/owl/owl.js
@@ -2076,7 +2076,7 @@
             set(target, key, value, receiver) {
                 const hadKey = objectHasOwnProperty.call(target, key);
                 const originalValue = Reflect.get(target, key, receiver);
-                const ret = Reflect.set(target, key, value, receiver);
+                const ret = Reflect.set(target, key, toRaw(value), receiver);
                 if (!hadKey && objectHasOwnProperty.call(target, key)) {
                     notifyReactives(target, KEYCHANGES);
                 }
@@ -3200,7 +3200,14 @@
             this.translateFn = config.translateFn;
             this.translatableAttributes = config.translatableAttributes;
             if (config.templates) {
-                this.addTemplates(config.templates);
+                if (config.templates instanceof Document || typeof config.templates === "string") {
+                    this.addTemplates(config.templates);
+                }
+                else {
+                    for (const name in config.templates) {
+                        this.addTemplate(name, config.templates[name]);
+                    }
+                }
             }
         }
         static registerTemplate(name, fn) {
@@ -5282,14 +5289,14 @@
                 // be ignored)
                 let el = slotNode.parentElement;
                 let isInSubComponent = false;
-                while (el !== clone) {
+                while (el && el !== clone) {
                     if (el.hasAttribute("t-component") || el.tagName[0] === el.tagName[0].toUpperCase()) {
                         isInSubComponent = true;
                         break;
                     }
                     el = el.parentElement;
                 }
-                if (isInSubComponent) {
+                if (isInSubComponent || !el) {
                     continue;
                 }
                 slotNode.removeAttribute("t-set-slot");
@@ -5558,7 +5565,7 @@
     }
 
     // do not modify manually. This file is generated by the release script.
-    const version = "2.2.6";
+    const version = "2.2.7";
 
     // -----------------------------------------------------------------------------
     //  Scheduler
@@ -5905,7 +5912,7 @@ See https://github.com/odoo/owl/blob/${hash}/doc/reference/app.md#configuration
      *
      * @template T
      * @param {Effect<T>} effect the effect to run on component mount and/or patch
-     * @param {()=>T} [computeDependencies=()=>[NaN]] a callback to compute
+     * @param {()=>[...T]} [computeDependencies=()=>[NaN]] a callback to compute
      *      dependencies that will decide if the effect needs to be cleaned up and
      *      run again. If the dependencies did not change, the effect will not run
      *      again. The default value returns an array containing only NaN because
@@ -6023,8 +6030,8 @@ See https://github.com/odoo/owl/blob/${hash}/doc/reference/app.md#configuration
     Object.defineProperty(exports, '__esModule', { value: true });
 
 
-    __info__.date = '2023-09-25T11:50:11.419Z';
-    __info__.hash = '5dcee25';
+    __info__.date = '2023-12-06T13:56:01.636Z';
+    __info__.hash = 'e94428a';
     __info__.url = 'https://github.com/odoo/owl';