UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.39 Safari/537.36

Steps to reproduce the problem:
Firefox, Safari and seemingly Edge all offer their devtools in the user’s language. Except Chrome.

What is the expected behavior?
Devtools are displayed in the user’s language.

What went wrong?
Devtools are displayed only in English.

Did this work before? No 

Chrome version: 64.0.3282.39  Channel: beta
OS Version: OS X 10.13.2
Flash Version: