UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Steps to reproduce the problem:
https://drafts.csswg.org/css-overflow-4/#fragmentation
Fragmentation of Overflow describes multiple-line-ellipsis using the new continue and max-lines CSS properties.

What is the expected behavior?

What went wrong?
Only non-standard multiple-line-ellipsis using line-clamp and old flexbox.

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 67.0.3396.87  Channel: n/a
OS Version: 10.0
Flash Version: 

Signals from the public - positive. See the number of thumbs up on the specification issue alone -
https://github.com/w3c/csswg-drafts/issues/390#issue-169932952
Plus the use counter of line-clamp (not highly trustworthy for now, but still an indication) -
https://www.chromestatus.com/metrics/css/timeline/popularity/260