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Issue metadata

Status: Duplicate
Merged: issue 866302
Owner: ----
Closed: Sep 3
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 2
Type: Bug-Regression



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Viewport is blurry when maximized on FHD display at 125% scaling on Windows 10

Reported by aa...@aaronadams.ca, Sep 1

Issue description

UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.72 Safari/537.36

Steps to reproduce the problem:
1. Set Windows display resolution to 1920x1080 and scaling to 125%
2. Open Chrome Beta
3. Maximize the window

What is the expected behavior?
Content renders normally

What went wrong?
All content in the viewport is blurry, as if the viewport's pixel grid were slightly offset vs. the display's pixel grid.

Browser interface elements are not affected; it's only the content of the browser viewport, only when the window is maximized, and only when OS scaling is set to 125%.

This is easily reproducible on a ThinkPad X1 Carbon 4th Generation. I don't have additional high-DPI devices with which to test.

I've tried enabling/disabling several possibly-related Chrome flags, including ones related to the new Material Design UI and hardware acceleration. I haven't been able to find any combination of settings that work around the issue. Changing my Windows scaling isn't a good workaround - 100% is too small, 150% too big - so for now I'm just avoiding maximizing the window.

Did this work before? Yes Prior to the Material Design UI (

Chrome version: 69.0.3497.72  Channel: beta
OS Version: 10.0
Flash Version:
 
chrome-not-maximized.PNG
77.9 KB View Download
chrome-maximized.PNG
115 KB View Download
Labels: Needs-Bisect Needs-Triage-M69
Cc: susan.boorgula@chromium.org
Labels: -Needs-Bisect Triaged-ET
Mergedinto: 866302
Status: Duplicate (was: Unconfirmed)
aaron@ Thanks for the issue.

This issue looks similar to  issue 866302 . Hence merging this issue to  issue 866302 .
Please feel free to undupe if it is not similar.

Thanks..
Thanks, that does look like the same issue. How ironic, a Google product that doesn't have very good search :)

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