TransitionGroup children el may be null

[royalknight56]

Vue version

3.2.45

Link to minimal reproduction

https://cv4p7l.csb.app/

Steps to reproduce

click delete button
wait second

What is expected?

no error reported

What is actually happening?

error reported

System Info

No response

Any additional comments?

When the children of TransitionGroup are components, first set the elements inside the component to empty through v-if. Afterwards, an error will be reported when TransitionGroup executes the end animation.

https://codesandbox.io/s/recursing-surf-cv4p7l?file=/src/App.vue

[royalknight56]

#9068

[edison1105]

duplicate of #5168