fix(runtime-core): do not fire lifecycle hooks during unmounting

packages/runtime-core/src/apiLifecycle.ts

@@ -28,9 +28,6 @@ export function injectHook(
     const wrappedHook =
       hook.__weh ||
       (hook.__weh = (...args: unknown[]) => {
-        if (target.isUnmounted) {
-          return
-        }
         // disable tracking inside all lifecycle hooks
         // since they can potentially be called inside effects.
         pauseTracking()

packages/runtime-core/src/renderer.ts

@@ -43,7 +43,8 @@ import {
   flushPostFlushCbs,
   invalidateJob,
   flushPreFlushCbs,
-  SchedulerJob
+  SchedulerJob,
+  invalidatePostJob
 } from './scheduler'
 import { pauseTracking, resetTracking, ReactiveEffect } from '@vue/reactivity'
 import { updateProps } from './componentProps'
@@ -2230,7 +2231,11 @@ function baseCreateRenderer(
       unregisterHMR(instance)
     }
 
-    const { bum, scope, update, subTree, um } = instance
+    const { bum, scope, update, subTree, um, m, u } = instance
+
+    // #9264 invalidate queued lifecycle hooks
+    if (m) m.forEach(invalidatePostJob)
+    if (u) u.forEach(invalidatePostJob)
 
     // beforeUnmount hook
     if (bum) {

packages/runtime-core/src/scheduler.ts

@@ -113,6 +113,13 @@ export function invalidateJob(job: SchedulerJob) {
   }
 }
 
+export function invalidatePostJob(job: SchedulerJob) {
+  const i = pendingPostFlushCbs.indexOf(job)
+  if (i > postFlushIndex) {
+    pendingPostFlushCbs.splice(i, 1)
+  }
+}
+
 export function queuePostFlushCb(cb: SchedulerJobs) {
   if (!isArray(cb)) {
     if (