Watchers depending on current route re-evaluated after unmount #12703
Description
Version
2.7.8
Reproduction link
Steps to reproduce
Have a watcher with a dependency on the current route. Unmount the component.
What is expected?
No watcher effect is called
What is actually happening?
Watcher effects are called
Looks like it's the same issue as vuejs/core#2291 for Vue 3