### Version 2.5.18 ### Reproduction link [https://codepen.io/jfcherng/pen/ebYmZB](https://codepen.io/jfcherng/pen/ebYmZB) ### Steps to reproduce Just type something to the input box and the `<span>` gets red. ### What is expected? Nothing happens to the `<span>`. ### What is actually happening? The `<span>` gets red. --- This happens since `2.5.18-beta.0`. This won't happen if I removing the `trim` modifier from the `v-model`. <!-- generated by vue-issues. DO NOT REMOVE -->
Activity
fix(vdom): remove unnecessary sameVnode condition
fix(vdom): remove unnecessary sameVnode condition