Created attachment 404225 [details] Proof of concept Using `column-count: 2;` or more, on the subsequent columns if there's a `position: relative; overflow: hidden;` element that includes `position: absolute;`, the content does not render at all. See the attached proof of concept or visit: https://jsfiddle.net/pv50w69h/
<rdar://problem/65586692>
QA confirmed this is resolved