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Issue 768627 link

Starred by 3 users

Issue metadata

Status: Available
Owner: ----
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug-Regression



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4K monitor, Windows 125% DPI scaling, adds weird 1px margins all over

Reported by jamieja...@gmail.com, Sep 26 2017

Issue description

UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36

Steps to reproduce the problem:
1. Have a 4K monitor
2. Set windows DPI scaling to 125%
3. Set chrome scaling to 100%
4. Make div within a div and set the innner div background
5. Div background doesn't go all the way to the edge of the outer div, leaving a 1px margin just floating there

What is the expected behavior?
The background should not leave a 1px margin 

What went wrong?
The background leaves weird 1px margins 

Did this work before? Yes 58 I think. Back in September 2016.

Does this work in other browsers? Yes

Chrome version: 61.0.3163.100  Channel: stable
OS Version: 10.0
Flash Version: 

See this jsfiddle for an example
https://jsfiddle.net/jamiejakov/w2gtzakd/1/
 
1pxBug.png
19.5 KB View Download
reproduced.png
214 KB View Download

Comment 1 by shend@chromium.org, Sep 26 2017

 Issue 768628  has been merged into this issue.
Labels: Needs-Triage-M61 Needs-Bisect
Cc: susanjuniab@chromium.org
Labels: -Pri-2 -Needs-Bisect hasbisect-per-revision M-63 Pri-1
Owner: ka...@opera.com
Status: Assigned (was: Unconfirmed)
Able to reproduce the issue on Windows 10 using the latest stable version 61.0.3163.100 and the latest canary 63.0.3223.8.

Bisect Information:
=====================
Good build: 58.0.3011.0  
Bad Build : 58.0.3012.0  

Change Log URL: 
https://chromium.googlesource.com/chromium/src/+log/d6df828820be4b0f22b9bed959fb2bd93f84b331..934becac5daa91ea979fb66e4ae21761ca11ebc9

From the above change log suspecting below change
Review URL: https://chromium.googlesource.com/chromium/src/+/934becac5daa91ea979fb66e4ae21761ca11ebc9

karlo@ :Could you please check whether this issue is related with to your change, if not please help us in assigning it to the right owner. 

Thanks..

Comment 4 by spa...@omegatim.com, Sep 26 2017

I suspect this has something to do with issue 716174:
https://bugs.chromium.org/p/chromium/issues/detail?id=716174&desc=2
Labels: Update-Weekly
Components: -Blink>CSS Blink>Layout>Subpixel

Comment 7 by e...@chromium.org, Dec 1 2017

Cc: ikilpatrick@chromium.org
Owner: ----
Status: Available (was: Assigned)
We should make sure to fix this in NG.

Comment 8 by e...@chromium.org, Jan 31 2018

Labels: -Pri-1 Pri-2

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