Just create a basic table and you will see an issue like this in the console:
[Violation] Added non-passive event listener to a scroll-blocking 'mousewheel' event. Consider marking event handler as 'passive' to make the page more responsive. See https://www.chromestatus.com/feature/5745543795965952
Element UI version
2.13.0
OS/Browsers version
Mac OS X Catalina / Google Chrome 80
Vue version
2.6.11
Reproduction Link
https://jsfiddle.net/y70wmpv8/1/
Steps to reproduce
Just create a basic table and you will see an issue like this in the console:
What is Expected?
There is no browser violation.
What is actually happening?
There is a browser violation.