### Version 2.6.14 ### Reproduction link [https://jsfiddle.net/5w1ydeu8/3/](https://jsfiddle.net/5w1ydeu8/3/) ### Steps to reproduce - Click between A and B => works - Click between A and C => works - Click between B and C => doesn't work ### What is expected? The scoped slot should update. ### What is actually happening? The scoped slot doesn't update. <!-- generated by vue-issues. DO NOT REMOVE -->