[REL] v1.4.8

# v1.4.8

- fix: prevent crash in some rare cases

README.md

@@ -124,7 +124,7 @@ npm install @odoo/owl
 
 If you want to use a simple `<script>` tag, the last release can be downloaded here:
 
-- [owl-1.4.7](https://github.com/odoo/owl/releases/tag/v1.4.7)
+- [owl-1.4.8](https://github.com/odoo/owl/releases/tag/v1.4.8)
 
 ## License
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@odoo/owl",
-  "version": "1.4.7",
+  "version": "1.4.8",
   "description": "Odoo Web Library (OWL)",
   "main": "dist/owl.cjs.js",
   "browser": "dist/owl.iife.js",

roadmap.md

@@ -1,6 +1,6 @@
 # 🦉 OWL Roadmap 🦉
 
-- Current version: 1.4.7
+- Current version: 1.4.8
 - Status: stable
 
 This roadmap is only an attempt at predicting Owl's future.  Everything may

src/component/fiber.ts

@@ -243,8 +243,9 @@ export class Fiber {
         }
         component.__patch(target!, fiber.vnode!);
       } else {
-        if (fiber.shouldPatch) {
+        const vnode = component.__owl__.vnode;
-          component.__patch(component.__owl__.vnode!, fiber.vnode!);
+        if (fiber.shouldPatch && vnode) {
+          component.__patch(vnode, fiber.vnode!);
           // When updating a Component's props (in directive),
           // the component has a pvnode AND should be patched.
           // However, its pvnode.elm may have changed if it is a High Order Component