Version

3.1.1

Reproduction link

https://unpkg.com/vue@next

Steps to reproduce

el-select does not work when using vue@3.1.1 it works fine at vue@3.0.10

What is expected?

as element-plus doc

What is actually happening?

nothing display when click. some errors in console Uncaught (in promise) TypeError: Cannot read property 'style' of null

Please provide a boiled-down reproduction to report a bug. In your case, it seems that you should report this to the component library's repo first.