transition-group appear class not disappear

[xcuiz]

Version

3.0.0-beta.14

Reproduction link

https://github.com/xcuiz/vue-next-test.git

Steps to reproduce

npm i

npm run dev

Start dev server and navigate to localhost:8080

What is expected?

<div class="list">

<div class="list-item">vue-next 0</div>

<div class="list-item">vue-next 1</div>

<div class="list-item">vue-next 2</div>

<div class="list-item">vue-next 3</div>

<div class="list-item">vue-next 4</div>

</div>

What is actually happening?

<div class="list">

<div class="list-item">vue-next 0</div>

<div class="list-item appear-active appear-to">vue-next 1</div>

<div class="list-item appear-active appear-to">vue-next 2</div>

<div class="list-item appear-active appear-to">vue-next 3</div>

<div class="list-item appear-active appear-to">vue-next 4</div>

</div>

---

use transition-group component.
after page rendering, appear-to-class and appear-active-class not disappear，except for the first one。

[underfin]

#1269

[yyx990803]

Should be fixed by 7ae70ea