UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36

Example URL:
https://en.wikipedia.org/wiki/Javanese_language

Steps to reproduce the problem:
1. Go to the URL
2. 
3. 

What is the expected behavior?
N/A

What went wrong?
The Javanese characters are replaced with squares. They are correctly displayed on Firefox and Safari.

Does it occur on multiple sites: N/A

Is it a problem with a plugin? No 

Did this work before? N/A 

Does this work in other browsers? Yes

Chrome version: 66.0.3359.139  Channel: n/a
OS Version: OS X 10.13.4
Flash Version: 

The Javanese characters are also displayed as squares on Vivaldi, too, which  uses the Chromium engine.