1706382 - "Open a new tab" button looks blurry on Windows with Proton

Status: RESOLVED DUPLICATE of bug 1704274

(Firefox :: Theme, defect, P2)

Description

[Simona Badau, Desktop QA]

Attachment: Screenshot with the button on Win10.png

Affected platforms:
Windows 7
Windows 10 x64

Affected versions:
Nightly 90.0a1
Firefox 89 beta 1

Steps to reproduce:

1. Launch Firefox with a new profile.
2. In the tabs bar, observe the "Open a new tab" button.

Expected Results:
The "+" button should be properly displayed.

Actual Results:
The "+" button looks really pixelated. Please see the screenshot.

Notes:

• The issue is reproducible only on Windows.
• Found commit message:
  Bug 1702285 - Update tabstrip icons for Proton. r=desktop-theme-reviewers,dao
  https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=f488c59da6b9551fd45204c9f020ed96a235d26d&tochange=4d26d5b8d7cd5bbec3fc4a4470f1892a3fc0cd20

Comment 1

[Romain Testard [:RT]]

What is your screen resolution and DPI setting please?

Comment 2

[Simona Badau, Desktop QA]

(In reply to Romain Testard [:RT] from comment #1)

What is your screen resolution and DPI setting please?

DPI setting: 100% (recommended)
Display resolution: 1920 x 1080 (recommended)
Display orientation: landscape.

Comment 3

[Sam Foster [:sfoster] (he/him)]

I think this is an instance of bug 1704274. The screenshot looks good to me, so I suspect this is an artifact produced by reporter's display hardware as it meets the 1.25 stroke weight used in the Proton icons.