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Issue 845259 link

Starred by 7 users
Status: Duplicate
Merged: issue 627143
Owner:
drott@chromium.org
Closed: May 2018
Cc:
█ rsheeter@google.com
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug



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Local fonts incorrectly used instead of web fonts

Reported by ben.lubar@gmail.com, May 21 2018 
UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36

Example URL:
https://jsfiddle.net/dtesw1yj/1/

Steps to reproduce the problem:
1. Download Roboto[1] from Google Fonts.
2. Install Roboto-Light.ttf. Make sure you have no other Roboto variants installed.
3. Restart Chrome and visit this page.

[1] https://fonts.google.com/specimen/Roboto

What is the expected behavior?
All three lines are using different font weights.

What went wrong?
The middle weight (400) uses Roboto-Light (300).

Does it occur on multiple sites: Yes

Is it a problem with a plugin? No 

Did this work before? N/A 

Does this work in other browsers? Yes

Chrome version: 66.0.3359.181  Channel: stable
OS Version: 10.0
Flash Version:

Comment 1 by ben.lubar@gmail.com, May 21 2018 

All Dell computers come with Roboto Light pre-installed at a location similar to this:

C:\Program Files\Dell\SupportAssistAgent\bin\App\Content\fonts\Roboto-Light.ttf

They do not have any other size of Roboto pre-installed.

Comment 2 by ajha@chromium.org, May 22 2018

Components: -Blink Blink>Fonts
Labels: Needs-Triage-M66

Comment 3 by zac.spit...@gmail.com, May 22 2018 

also reported here https://github.com/google/fonts/issues/1568

you can see the problem on this page, attached are Chrome vs Firefox desktop screenshots (Win 10 build 1803)
https://support.google.com/pixelphone/answer/7106961?hl=en&ref_topic=7084391
chrome pixel support page.JPG
37.3 KB View Download
firefox pixel support page.JPG
39.5 KB View Download

Comment 4 by e...@chromium.org, May 25 2018

Owner: drott@chromium.org
Status: Assigned (was: Unconfirmed)
Are you aware of this drott?

Comment 5 by drott@chromium.org, May 28 2018

Cc: rsheeter@google.com
Mergedinto: 627143
Status: Duplicate (was: Assigned)
Yes, I believe in this case, Google fonts does send CSS for font family: "Roboto", but src: local("Roboto Light"). Then a src: local() line is used, a uniquely identified local fonts should be selected, and no other style matching performed. I think this might be the reason leading to font mismatching here. I am going to merge this particular issue into the larger effort of fixing our local() matching.

I think Google Fonts' CSS here is a compromise, but without us fixing issue 627143 in Chrome, it's hard to make the matching more precise.
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